Interactive Brokers Group (NASDAQ: IBKR) posts $1.90B Q2 revenue, client growth

Rhea-AI Filing Summary

Interactive Brokers Group, Inc. reported Q2 2026 GAAP and adjusted diluted EPS of $0.69, up from $0.51 in the year-ago quarter. GAAP net revenues were $1.90 billion, with adjusted net revenues of $1.88 billion versus $1.48 billion a year earlier. Income before income taxes was $1.46 billion, or $1.44 billion on an adjusted basis, and the pretax profit margin was 77%.

Commission revenue rose 30% to $673 million on higher options, stock and futures trading, while net interest income increased 23% to $1.06 billion, driven by higher average customer margin loans and credit balances. Other fees and services grew 40% to $87 million; execution, clearing and distribution fees rose 22% to $142 million, including a $19 million increase in regulatory fees tied to a higher SEC Section 31 rate. Total equity was $22.3 billion.

Customer accounts increased 34% year over year to 5.19 million, customer equity 40% to $930.3 billion, Total DARTs 36% to 4.82 million, customer credits 27% to $182.4 billion and customer margin loans 67% to $108.5 billion. The Board declared a quarterly cash dividend of $0.0875 per share, payable September 14, 2026 to shareholders of record on September 1, 2026.

Positive

• GAAP diluted EPS increased to $0.69 from $0.51 in the prior-year quarter, as net revenues rose to $1.90 billion from $1.48 billion.
• Customer accounts grew 34% to 5.19 million and customer equity rose 40% to $930.3 billion, reflecting substantial expansion of the client franchise.
• Customer margin loans increased 67% to $108.5 billion, supporting a 23% rise in net interest income to $1.06 billion.

Negative

• None.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Key Figures

Net revenues (GAAP), Q2 2026: $1.90 billion Net income available for common stockholders, Q2 2026: $312 million Diluted EPS, Q2 2026: $0.69 +5 more

8 metrics

Net revenues (GAAP), Q2 2026 $1.90 billion Quarter ended June 30, 2026; up from $1.48 billion in the year-ago quarter

Net income available for common stockholders, Q2 2026 $312 million Quarter ended June 30, 2026; compared with $224 million a year earlier

Diluted EPS, Q2 2026 $0.69 GAAP and adjusted diluted earnings per share for the quarter; prior-year quarter was $0.51

Pretax profit margin, Q2 2026 77% Pretax margin for the quarter, both reported and adjusted; year-ago margin was 75%

Customer accounts 5.19 million Customer accounts as of Q2 2026; 34% year-over-year increase

Customer equity $930.3 billion Customer equity as of Q2 2026; 40% higher than the year-ago quarter

Customer margin loans $108.5 billion Customer margin loans as of Q2 2026; 67% year-over-year increase

Quarterly dividend per share $0.0875 Cash dividend payable September 14, 2026 to shareholders of record on September 1, 2026

Key Terms

Daily Average Revenue Trades, currency diversification strategy, net interest margin, noncontrolling interests, +1 more

5 terms

Daily Average Revenue Trades financial

"Total DARTs2 increased 36% to 4.82 million."

Daily average revenue trades represent the typical amount of money a financial firm earns each day from the buying and selling of securities. It is calculated by adding up the total revenue generated from trades over a period and dividing it by the number of days in that period, giving a smooth, average figure. This metric helps investors understand how active and profitable a trading business is on a consistent basis.

currency diversification strategy financial

"In connection with our currency diversification strategy, we base our net worth in GLOBALs,"

net interest margin financial

"Net interest margin ("NIM") was 1.93 % for the three months ended June 30, 2026,"

Net interest margin measures how much a bank earns from lending and investing compared with what it pays for funding, expressed as a percentage of its interest-earning assets. Think of it like a grocery store’s markup: it shows the gap between buying cost and selling price per dollar of goods — here, the cost is interest paid and the sale is interest received. Investors watch it because a higher margin usually means a bank is more profitable and better at managing interest rate and credit conditions.

noncontrolling interests financial

"Net income attributable to noncontrolling interests was 1,026 for the quarter,"

The portion of a subsidiary’s equity and profits that belongs to outside owners rather than the parent company; when a parent reports consolidated results it includes the whole subsidiary but shows the noncontrolling slice separately. Think of a company’s subsidiary as a pie where the parent owns most slices but some are held by other investors — noncontrolling interests tell you how much of the pie and its future earnings don’t belong to the parent, which affects how much profit and net assets are truly attributable to the parent’s shareholders.

mark-to-market financial

"Mark-to-market on investments represents the net mark-to-market gains (losses) on investments in equity securities,"

"Mark-to-market" is a method of valuing assets or investments based on their current market price, rather than their original cost or value. It helps investors see the most up-to-date worth of their holdings, much like checking the latest price of a stock before deciding to buy or sell. This approach ensures that financial statements reflect real-time value, providing a clearer picture of overall financial health.

Earnings Snapshot

GAAP diluted EPS: $0.69

quarter ended June 30, 2026

GAAP diluted EPS $0.69 up from $0.51 in the year-ago quarter

Net revenues (GAAP) $1.90 billion up from $1.48 billion in the year-ago quarter

Income before income taxes (GAAP) $1.46 billion up from $1.10 billion in the year-ago quarter

Adjusted diluted EPS $0.69 in line with GAAP EPS; prior-year quarter was $0.51

Customer accounts 5.19 million up 34% year over year

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Understanding 8-K Material Events →

Available on EDGAR 07/21/2026 - 04:11 PM Accepted by SEC EDGAR 07/21/2026 - 04:11 PM Learn about SEC filing dates

FAQ

What were Interactive Brokers (IBKR) Q2 2026 earnings per share?

Interactive Brokers (IBKR) reported Q2 2026 GAAP and adjusted diluted EPS of $0.69, up from $0.51 a year earlier. Basic EPS was $0.70 compared with $0.51 in the prior-year quarter, reflecting higher revenues and strong profitability.

How much revenue did IBKR generate in Q2 2026?

In Q2 2026, IBKR generated GAAP net revenues of $1.90 billion and adjusted net revenues of $1.88 billion. This compares with $1.48 billion of reported and adjusted net revenues in the year-ago quarter, driven by higher commissions and net interest income.

How did Interactive Brokers (IBKR) customer accounts and equity change year over year?

Customer accounts at IBKR rose 34% to 5.19 million, while customer equity increased 40% to $930.3 billion versus the year-ago quarter. These gains were accompanied by a 36% rise in Total Daily Average Revenue Trades to 4.82 million.

What was IBKR’s net interest income in Q2 2026 and what drove it?

IBKR’s Q2 2026 net interest income increased 23% to $1.06 billion. The company attributes this growth primarily to higher average customer margin loans and customer credit balances, supported by larger average interest-earning asset balances across the business.

What dividend did Interactive Brokers (IBKR) declare with these results?

The Board declared a quarterly cash dividend of $0.0875 per share. The dividend is payable on September 14, 2026 to shareholders of record as of September 1, 2026, continuing the company’s practice of returning cash to common stockholders.

What was Interactive Brokers (IBKR) pretax profit margin in Q2 2026?

IBKR reported a Q2 2026 pretax profit margin of 77%, both on a GAAP and adjusted basis. This compares with a 75% pretax margin in the year-ago quarter, reflecting strong operating leverage as revenues grew faster than non-interest expenses.

How large were IBKR’s customer margin loans and credits in Q2 2026?

Customer margin loans reached $108.5 billion, a 67% year-over-year increase, while customer credits rose 27% to $182.4 billion. These balances supported higher net interest income and reflected growing client assets on the platform.

0001381197false00013811972026-07-212026-07-21

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 21, 2026

Interactive Brokers Group, Inc.

(Exact name of Registrant as Specified in Its Charter)

Delaware			001-33440	30-0390693
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
ONE PICKWICK PLAZA
GREENWICH, Connecticut				06830
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: 203 618-5800

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, par value $.01 per share		IBKR		The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

On July 21, 2026, Interactive Brokers Group, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended June 30, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated herein by reference. All of the information furnished in this report (including Exhibit 99.1 hereto) shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and unless expressly set forth by specific reference in such filings, shall not be incorporated by reference in any filing under the Securities Act of 1933, as amended, whether made before or after the date hereof and regardless of any general incorporation language in such filings.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

99.1	Press Release dated July 21, 2026.
104	Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL Document).

***

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

			INTERACTIVE BROKERS GROUP, INC.
Date:	July 21, 2026	By:	/s/ Paul J. Brody
			Paul J. Brody Chief Financial Officer, Treasurer and Secretary

Exhibit 99.1

INTERACTIVE BROKERS GROUP ANNOUNCES 2Q2026 RESULTS

— — —

GAAP DILUTED EPS OF $0.69, ADJUSTED1 EPS OF $0.69

GAAP NET REVENUES OF $1.90 BILLION, ADJUSTED NET REVENUES OF $1.88 BILLION

GREENWICH, CT, July 21, 2026 — Interactive Brokers Group, Inc. (Nasdaq: IBKR), an automated global broker, announced results for the quarter ended June 30, 2026.

Reported and adjusted diluted earnings per share were both $0.69 for the current quarter. For the year-ago quarter, reported and adjusted diluted earnings per share were both $0.51.

Reported net revenues were $1.90 billion for the current quarter and $1.88 billion as adjusted. For the year-ago quarter, reported and adjusted net revenues were both $1.48 billion.

Reported income before income taxes was $1.46 billion for the current quarter and $1.44 billion as adjusted. For the year-ago quarter, reported and adjusted income before income taxes were both $1.10 billion.

Financial Highlights

(All comparisons are to the year-ago quarter.)

•Commission revenue increased 30% to $673 million on higher customer trading volumes. Customer trading volume in options, stocks and futures increased 17%, 14% and 2%, respectively.

•Net interest income increased 23% to $1.06 billion primarily on higher average customer margin loans and customer credit balances.

•Other fees and services increased 40% to $87 million, led by increases of $9 million in payments for order flow from exchange-mandated programs, $8 million in risk exposure fees, and $3 million in market data fees.

•Execution, clearing and distribution fees increased 22% to $142 million, driven by a $19 million increase in regulatory fees, as the SEC Section 31 transaction fee rate increased on April 4, 2026; partially offset by greater capture of liquidity rebates from certain exchanges due to higher trading volumes in stocks and options.

•Pretax profit margin for the current quarter was 77% both as reported and as adjusted. For the year-ago quarter, pretax margin was 75% both as reported and as adjusted.

•Total equity of $22.3 billion.

The Interactive Brokers Group, Inc. Board of Directors declared a quarterly cash dividend of $0.0875 per share. This dividend is payable on September 14, 2026, to shareholders of record as of September 1, 2026.

1 See the reconciliation of non-GAAP financial measures starting on page 11.

1

Business Highlights

(All comparisons are to the year-ago quarter.)

•Customer accounts increased 34% to 5.19 million.

•Customer equity increased 40% to $930.3 billion.

•Total DARTs2 increased 36% to 4.82 million.

•Customer credits increased 27% to $182.4 billion.

•Customer margin loans increased 67% to $108.5 billion.

Other Items

Other income increased 88% to $79 million. This increase is comprised mainly of $26 million from our currency diversification strategy and $11 million from our investing activities.

In connection with our currency diversification strategy, we base our net worth in GLOBALs, a basket of 10 major currencies in which we hold our equity. In this quarter, our currency diversification strategy decreased our comprehensive earnings by $36 million, as the U.S. dollar value of the GLOBAL decreased by approximately 0.21%. The effects of the currency diversification strategy are reported as components of (1) Other Income (gain of $21 million) and (2) Other Comprehensive Income (loss of $57 million).

Conference Call Information:

Interactive Brokers Group, Inc. will hold a conference call with investors today, July 21, 2026, at 4:30 p.m. ET to discuss its quarterly results. Members of the public who would like to listen to the conference call should register at https://register-conf.media-server.com/register/BIf6232c31bfa24c3d963db61feae68746 to obtain the dial-in details. The number should be dialed approximately ten minutes prior to the start of the conference call. The conference call will also be accessible simultaneously, and through replays, as an audio webcast through the Investor Relations section of the Interactive Brokers web site, www.interactivebrokers.com/ir.

About Interactive Brokers Group, Inc.:

Interactive Brokers Group, Inc. (NASDAQ: IBKR) is a member of the S&P 500. Its affiliates provide automated trade execution and custody of securities, commodities, foreign exchange, and prediction markets around the clock on over 170 markets in numerous countries and currencies from a single unified platform to clients worldwide. We serve individual investors, hedge funds, proprietary trading groups, financial advisors and introducing brokers. Our four decades of focus on technology and automation have enabled us to equip our clients with a uniquely sophisticated platform to manage their investment portfolios. We strive to provide our clients with advantageous execution prices and trading, risk and portfolio management tools, research facilities and investment products, all at low or no cost, positioning them to achieve superior returns on investments. Interactive Brokers has consistently earned recognition as a top broker, garnering multiple awards and accolades from respected industry sources such as Barron's, Investopedia, Stockbrokers.com, and many others.

2 Daily average revenue trades (DARTs) are based on customer orders.

2

Cautionary Note Regarding Forward-Looking Statements:

The foregoing information contains certain forward-looking statements that reflect the Company’s current views with respect to certain current and future events and financial performance. These forward-looking statements are and will be, as the case may be, subject to many risks, uncertainties and factors relating to the Company’s operations and business environment which may cause the Company’s actual results to be materially different from any future results, expressed or implied, in these forward-looking statements. Any forward-looking statements in this release are based upon information available to the Company on the date of this release. The Company does not undertake to publicly update or revise its forward-looking statements even if experience or future changes make it clear that any statements expressed or implied therein will not be realized. Additional information on risk factors that could potentially affect the Company’s financial results may be found in the Company’s filings with the Securities and Exchange Commission.

For Interactive Brokers Group, Inc. Investors: Nancy Stuebe, investor-relations@ibkr.com or Media: Rob Garfield, media@ibkr.com.

3

INTERACTIVE BROKERS GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

(UNAUDITED)

		Three Months										Six Months
		Ended June 30,										Ended June 30,
		2026					2025					2026					2025
		(in millions, except share and per share data)
Revenues:
Commissions		$		673			$		516			$		1,286			$		1,030
Other fees and services				87					62					173					140
Other income				79					42					145					107
Total non-interest income				839					620					1,604					1,277
Interest income				2,236					1,891					4,183					3,609
Interest expense				(1,179	)				(1,031	)				(2,222	)				(1,979	)
Total net interest income				1,057					860					1,961					1,630
Total net revenues				1,896					1,480					3,565					2,907
Non-interest expenses:
Execution, clearing and distribution fees				142					116					248					237
Employee compensation and benefits				182					163					349					317
Occupancy, depreciation and amortization				27					24					54					48
Communications				11					11					23					21
General and administrative				68					61					136					123
Customer bad debt				10					1					11					2
Total non-interest expenses				440					376					821					748
Income before income taxes				1,456					1,104					2,744					2,159
Income tax expense				118					98					235					189
Net income				1,338					1,006					2,509					1,970
Net income attributable to noncontrolling interests				1,026					782					1,930					1,533
Net income available for common stockholders		$		312			$		224			$		579			$		437
Earnings per share:
Basic		$		0.70			$		0.51			$		1.30			$		1.00
Diluted		$		0.69			$		0.51			$		1.29			$		0.99
Weighted average common shares outstanding:
Basic				447,903,860					438,457,863					446,682,859					437,083,330
Diluted				450,088,032					441,439,924					449,235,445					440,459,081

4

INTERACTIVE BROKERS GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(UNAUDITED)

		Three Months										Six Months
		Ended June 30,										Ended June 30,
		2026					2025					2026					2025
		(in millions, except share and per share data)
Comprehensive income:
Net income available for common stockholders		$		312			$		224			$		579			$		437
Other comprehensive income:
Cumulative translation adjustment, before income taxes				(15	)				79					(36	)				107
Income taxes related to items of other comprehensive income				-					-					-					-
Other comprehensive income (loss), net of tax				(15	)				79					(36	)				107
Comprehensive income available for common stockholders		$		297			$		303			$		543			$		544
Comprehensive earnings per share:
Basic		$		0.66			$		0.69			$		1.22			$		1.24
Diluted		$		0.66			$		0.69			$		1.21			$		1.23
Weighted average common shares outstanding:
Basic				447,903,860					438,457,863					446,682,859					437,083,330
Diluted				450,088,032					441,439,924					449,235,445					440,459,081
Comprehensive income attributable to noncontrolling interests:
Net income attributable to noncontrolling interests		$		1,026			$		782			$		1,930			$		1,533
Other comprehensive income - cumulative translation adjustment				(42	)				227					(100	)				306
Comprehensive income attributable to noncontrolling interests		$		984			$		1,009			$		1,830			$		1,839

5

INTERACTIVE BROKERS GROUP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION

(UNAUDITED)

				June 30, 2026			December 31, 2025
				(in millions)
Assets
Cash and cash equivalents				$	7,711		$	4,963
Cash - segregated for regulatory purposes					56,594			50,332
Securities - segregated for regulatory purposes					39,604			26,521
Securities borrowed					10,006			11,589
Securities purchased under agreements to resell					13,627			7,117
Financial instruments owned, at fair value					3,317			4,982
Receivables from customers, net of allowance for credit losses					108,939			90,475
Receivables from brokers, dealers and clearing organizations					5,120			5,161
Other assets					2,391			2,100
Total assets				$	247,309		$	203,240
Liabilities and equity
Liabilities
Short-term borrowings				$	13		$	19
Securities loaned					45,410			24,751
Financial instruments sold but not yet purchased, at fair value					509			740
Other payables:
Customers					176,779			154,336
Brokers, dealers and clearing organizations					819			1,566
Other payables					1,529			1,356
					179,127			157,258
Total liabilities					225,059			182,768
Equity
Stockholders' equity					5,904			5,363
Noncontrolling interests					16,346			15,109
Total equity					22,250			20,472
Total liabilities and equity				$	247,309		$	203,240
	June 30, 2026				December 31, 2025
Ownership of IBG LLC Membership Interests	Interests		%		Interests			%
IBG, Inc.	450,671,113		26.5%		445,612,825			26.3%
Noncontrolling interests (IBG Holdings LLC)	1,250,737,416		73.5%		1,250,737,416			73.7%
Total IBG LLC membership interests	1,701,408,529		100.0%		1,696,350,241			100.0%

6

INTERACTIVE BROKERS GROUP, INC. AND SUBSIDIARIES

OPERATING DATA

EXECUTED ORDER VOLUMES:
(in 000's, except %)
		Customer		%		Principal		%		Total		%
Period		Orders		Change		Orders		Change		Orders		Change
2023		483,015				29,712				512,727
2024		661,666		37%		63,348		113%		725,014		41%
2025		915,616		38%		121,972		93%		1,037,588		43%
2Q2025		220,215				28,372				248,587
2Q2026		299,110		36%		45,070		59%		344,180		38%
1Q2026		266,419				42,010				308,429
2Q2026		299,110		12%		45,070		7%		344,180		12%
CONTRACT AND SHARE VOLUMES:
(in 000's, except %)
TOTAL
		Options		%		Futures1		%		Stocks		%
Period		(contracts)		Change		(contracts)		Change		(shares)		Change
2023		1,020,736				209,034				252,742,847
2024		1,344,855		32%		218,327		4%		307,489,711		22%
2025		1,668,228		24%		241,631		11%		421,707,895		37%
2Q2025		393,051				64,271				96,450,620
2Q2026		459,831		17%		65,909		3%		109,464,979		13%
1Q2026		440,997				74,257				116,935,449
2Q2026		459,831		4%		65,909		(11%)		109,464,979		(6%)
CUSTOMER
		Options		%		Futures1		%		Stocks		%
Period		(contracts)		Change		(contracts)		Change		(shares)		Change
2023		981,172				206,073				248,588,960
2024		1,290,770		32%		214,864		4%		302,040,873		22%
2025		1,623,384		26%		240,120		12%		417,457,770		38%
2Q2025		382,195				63,918				95,276,485
2Q2026		446,906		17%		65,337		2%		108,174,094		14%
1Q2026		428,653				73,705				115,790,614
2Q2026		446,906		4%		65,337		(11%)		108,174,094		(7%)
PRINCIPAL
		Options		%		Futures1		%		Stocks		%
Period		(contracts)		Change		(contracts)		Change		(shares)		Change
2023		39,564				2,961				4,153,887
2024		54,085		37%		3,463		17%		5,448,838		31%
2025		44,844		(17%)		1,511		(56%)		4,250,125		(22%)
2Q2025		10,856				353				1,174,135
2Q2026		12,925		19%		572		62%		1,290,885		10%
1Q2026		12,344				552				1,144,835
2Q2026		12,925		5%		572		4%		1,290,885		13%

________________________

1 Includes options on futures.

7

INTERACTIVE BROKERS GROUP, INC. AND SUBSIDIARIES

OPERATING DATA, CONTINUED

Year over Year			2Q2026			2Q2025		% Change
Total Accounts (in thousands)			5,185			3,866		34%
Customer Equity (in billions)1		$	930.3		$	664.6		40%
Total Customer DARTs (in thousands)			4,824			3,552		36%
Cleared Customers
Commission per Cleared Commissionable Order2		$	2.64		$	2.65		(0%)
Cleared Avg. DARTs per Account (Annualized)			207			206		0%
Consecutive Quarters			2Q2026			1Q2026		% Change
Total Accounts (in thousands)			5,185			4,754		9%
Customer Equity (in billions)1		$	930.3		$	789.4		18%
Total Customer DARTs (in thousands)			4,824			4,368		10%
Cleared Customers
Commission per Cleared Commissionable Order2		$	2.64		$	2.69		(2%)
Cleared Avg. DARTs per Account (Annualized)			207			205		1%

________________________

1 Excludes non-Customers.

2 Commissionable Order - a customer order that generates commissions.

8

INTERACTIVE BROKERS GROUP, INC. AND SUBSIDIARIES

NET INTEREST MARGIN

(UNAUDITED)

		Three Months										Six Months
		Ended June 30,										Ended June 30,
		2026					2025					2026					2025
		(in millions)
Average interest-earning assets
Segregated cash and securities		$		97,647			$		78,693			$		90,953			$		72,869
Customer margin loans				96,596					60,928					92,932					62,646
Securities borrowed				8,947					7,027					8,945					5,949
Other interest-earning assets				18,991					14,747					18,011					13,601
FDIC sweeps1				6,434					5,226					6,366					5,006
		$		228,615			$		166,621			$		217,207			$		160,071
Average interest-bearing liabilities
Customer credit balances		$		171,674			$		129,998			$		164,615			$		124,010
Securities loaned				33,222					17,181					29,419					16,659
Other interest-bearing liabilities				512					50					354					58
		$		205,408			$		147,229			$		194,388			$		140,727
Net interest income
Segregated cash and securities, net2		$		809			$		756			$		1,492			$		1,419
Customer margin loans4				988					709					1,893					1,484
Securities borrowed and loaned, net3				44					60					77					70
Customer credit balances, net4				(956	)				(857	)				(1,820	)				(1,674	)
Other net interest income1/5				215					193					411					356
Net interest income5		$		1,100			$		861			$		2,053			$		1,655
Net interest margin ("NIM")				1.93	%				2.07	%				1.91	%				2.09	%
Annualized yields
Segregated cash and securities				3.32	%				3.86	%				3.31	%				3.93	%
Customer margin loans				4.10	%				4.67	%				4.11	%				4.78	%
Customer credit balances				2.23	%				2.64	%				2.23	%				2.72	%

________________________

1 Represents the average amount of customer cash swept into FDIC-insured banks as part of our Insured Bank Deposit Sweep Program. This item is not recorded in the Company's consolidated statements of financial condition. Income derived from program deposits is reported in other net interest income in the table above.

2 Net interest income on "Segregated cash and securities, net" for the three and six months ended June 30, 2025, excludes approximately $26 million of interest income, recorded in the consolidated statements of comprehensive income, related to taxes withheld at source in prior periods which was determined to be fully refundable.

3 We estimate that if the interest earned and paid on cash collateral related to our securities lending transactions were included under “Securities borrowed and loaned, net” in the table above, the total net interest income related to our securities lending activities would have been $343 million and $612 million for the three and six months ended June 30, 2026, respectively, compared to $251 million and $437 million for the three and six months ended June 30, 2025, respectively. Such additional interest attributed to our securities lending activities would be reclassified from net interest income on “Segregated cash and securities, net” and “Customer credit balances, net” in the table above, so it would have no effect on our overall net interest income or net interest margin.

4 Interest income and interest expense on customer margin loans and customer credit balances, respectively, are calculated on daily cash balances within each customer’s account on a net basis, which may result in an offset of balances across multiple account segments (e.g., between securities and commodities segments).

9

5 Includes income from financial instruments that has the same characteristics as interest but is reported in "Other fees and services" and "Other income" in the Company’s consolidated statements of comprehensive income. For the three and six months ended June 30, 2026 and 2025, $11 million, $22 million, $9 million, and $17 million were reported in "Other fees and services", respectively. For the three and six months ended June 30, 2026 and 2025, $32 million, $70 million, $18 million, and $34 million were reported in "Other income", respectively.

10

INTERACTIVE BROKERS GROUP, INC. AND SUBSIDIARIES

RECONCILIATION OF NON-GAAP FINANCIAL MEASURES

(UNAUDITED)

		Three Months										Six Months
		Ended June 30,										Ended June 30,
		2026					2025					2026					2025
Adjusted net revenues1 (in millions)
Net revenues - GAAP		$		1,896			$		1,480			$		3,565			$		2,907
Non-GAAP adjustments
Currency diversification strategy, net				(21	)				5					(47	)				(15	)
Mark-to-market on investments2				8					(5	)				45					(16	)
Total non-GAAP adjustments				(13	)				0					(2	)				(31	)
Adjusted net revenues		$		1,883			$		1,480			$		3,563			$		2,876
Adjusted income before income taxes1 (in millions)
Income before income taxes - GAAP		$		1,456			$		1,104			$		2,744			$		2,159
Non-GAAP adjustments
Currency diversification strategy, net				(21	)				5					(47	)				(15	)
Mark-to-market on investments2				8					(5	)				45					(16	)
Total non-GAAP adjustments				(13	)				-					(2	)				(31	)
Adjusted income before income taxes		$		1,443			$		1,104			$		2,742			$		2,128
Adjusted pre-tax profit margin				77	%				75	%				77	%				74	%
Adjusted net income available for common stockholders1 (in millions)
Net income available for common stockholders - GAAP		$		312			$		224			$		579			$		437
Non-GAAP adjustments
Currency diversification strategy, net				(6	)				1					(12	)				(4	)
Mark-to-market on investments2				2					(1	)				12					(4	)
Income tax effect of above adjustments3				1					0					(0	)				2
Total non-GAAP adjustments4				(3	)				(0	)				(1	)				(6	)
Adjusted net income available for common stockholders4		$		310			$		224			$		578			$		431
Adjusted diluted EPS1 (in dollars, except share amounts)
Diluted EPS - GAAP		$		0.69			$		0.51			$		1.29			$		0.99
Non-GAAP adjustments
Currency diversification strategy, net				(0.02	)				0.00					(0.03	)				(0.01	)
Mark-to-market on investments2				0.00					(0.00	)				0.03					(0.01	)
Income tax effect of above adjustments3				0.00					0.00					(0.00	)				0.01
Total non-GAAP adjustments4				(0.01	)				(0.00	)				(0.00	)				(0.01	)
Adjusted diluted EPS4		$		0.69			$		0.51			$		1.29			$		0.98
Diluted weighted average common shares outstanding				450,088,032					441,439,924					449,235,445					440,459,081

11

Note: The term “GAAP” in the following explanation refers to generally accepted accounting principles in the United States.

1 Adjusted net revenues, adjusted income before income taxes, adjusted net income available for common stockholders and adjusted diluted earnings per share (“EPS”) are non-GAAP financial measures.

•We define adjusted net revenues as net revenues adjusted to remove the effect of our currency diversification strategy and our net mark-to-market gains (losses) on investments2.

•We define adjusted income before income taxes as income before income taxes adjusted to remove the effect of our currency diversification strategy and our net mark-to-market gains (losses) on investments.

•We define adjusted net income available to common stockholders as net income available for common stockholders adjusted to remove the after-tax effects attributable to IBG, Inc. of our currency diversification strategy and our net mark-to-market gains (losses) on investments.

•We define adjusted diluted EPS as adjusted net income available for common stockholders divided by the diluted weighted average number of shares outstanding for the period.

Management believes these non-GAAP items are important measures of our financial performance because they exclude certain items that may not be indicative of our core operating results and business outlook and may be useful to investors and analysts in evaluating the operating performance of the business and facilitating a meaningful comparison of our results in the current period to those in prior and future periods. Our currency diversification strategy and our mark-to-market on investments are excluded because management does not believe they are indicative of our underlying core business performance. Adjusted net revenues, adjusted income before income taxes, adjusted net income available to common stockholders and adjusted diluted EPS should be considered in addition to, rather than as a substitute for, GAAP net revenues, income before income taxes, net income attributable to common stockholders and diluted EPS.

2 Mark-to-market on investments represents the net mark-to-market gains (losses) on investments in equity securities that do not qualify for equity method accounting, which are measured at fair value; on our U.S. government and municipal securities portfolios, which are typically held to maturity; and on certain other investments.

3 The income tax effect is estimated using the statutory income tax rates applicable to the Company.

4 Amounts may not add due to rounding.

12

Filing Exhibits & Attachments

2 documents

Press Releases

• EX-99.1 EX-99.1 1.4 MB

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT 23.4 KB