Sandisk Corporation to Join the Nasdaq-100 Index® Beginning April 20, 2026
Rhea-AI Summary
Sandisk (Nasdaq: SNDK) will join the Nasdaq-100 Index (NDX) prior to market open on April 20, 2026, replacing Atlassian (Nasdaq: TEAM). The change follows the Nasdaq-100 methodology in effect through April 30, 2026 and updates index components for that rebalancing period.
AI-generated analysis. Not financial advice.
Positive
- Sandisk (SNDK) added to Nasdaq-100 effective April 20, 2026
- Sandisk replaces Atlassian (TEAM) in the Nasdaq-100 component list
Negative
- Atlassian (TEAM) will be removed from the Nasdaq-100 effective April 20, 2026
News Market Reaction – NDAQ
On the day this news was published, NDAQ gained 3.60%, reflecting a moderate positive market reaction.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Market Reality Check
Peers on Argus
NDAQ declined 1.25% with elevated volume, while peers MSCI (-0.94%), ICE (-0.29%), COIN (-0.89%), MCO (-2.01%) and CME (-1.85%) also traded lower. Despite broad softness across exchange/ratings names, momentum scanners did not flag a coordinated sector move.
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| Apr 08 | Volume statistics | Neutral | -4.4% | Reported March 2026 volumes and 1Q26 statistics for Nasdaq markets. |
| Apr 01 | Earnings call scheduled | Neutral | +1.8% | Announced schedule and details for the 1Q26 investor conference call. |
| Mar 30 | Index methodology update | Neutral | +2.5% | Concluded consultation and approved updates to Nasdaq-100 Index rules. |
| Mar 24 | Short interest report | Neutral | -0.6% | Released mid-month open short interest positions for Nasdaq securities. |
| Mar 23 | Trading halt notice | Neutral | +0.1% | Announced trading halt in American Rebel Holdings pending more information. |
Recent operational and index-related announcements have produced mixed single-day moves between roughly flat and mid-single digits up or down.
Over the past few weeks, Nasdaq has issued a series of operational updates, including March 2026 volume and 1Q26 statistics on Apr 8, 2026 and a public consultation outcome on Nasdaq-100 Index methodology on Mar 30, 2026. It also announced a first-quarter 2026 results call for Apr 23, 2026, periodic short interest data, and a trading halt in American Rebel Holdings. Those headlines led to single-day reactions ranging from -4.4% to +2.5%. Today’s index component change notice fits this pattern of rules- and data-focused disclosures.
Market Pulse Summary
This announcement details a scheduled reshuffle in the Nasdaq-100 Index, with Sandisk set to join and replace Atlassian on April 20, 2026, under the current methodology effective through April 30, 2026. It follows earlier communications about Nasdaq-100 methodology updates and other operational statistics. The key context is Nasdaq’s ongoing role as an index provider and market operator. Investors may watch subsequent index notices, upcoming first-quarter 2026 results, and any further methodology changes to understand the evolving index landscape.
Key Terms
Nasdaq-100 Index technical
NDX technical
Nasdaq Indexes technical
AI-generated analysis. Not financial advice.
NEW YORK, April 10, 2026 (GLOBE NEWSWIRE) -- Nasdaq (Nasdaq: NDAQ) today announced that Sandisk Corporation (Nasdaq: SNDK) will become a component of the Nasdaq-100 Index® (NDX®) replacing Atlassian Corporation (Nasdaq: TEAM) prior to market open on Monday, April 20, 2026.
These updates are consistent with the current Nasdaq-100 Index® methodology, in effect through April 30, 2026. For additional information, including notifications on changes to any Nasdaq Indexes, please go to https://indexes.nasdaq.com/
About Nasdaq Global Indexes
Nasdaq Global Indexes is one of the world's leading index providers, offering a comprehensive suite of rules-based benchmarks and indexes. The Nasdaq-100 Index® — which measures the performance of 100 of the largest Nasdaq-listed non-financial companies — is tracked by more than 200 investment products with over
About Nasdaq
Nasdaq (Nasdaq: NDAQ) is a leading technology platform that powers the world’s economies. We architect the world’s most modern markets, power the innovation economy, and build trust in the financial system. We empower economic opportunity by designing and deploying markets, technology, data, and advanced analytics that enable our clients to capture opportunities, navigate risk, and strengthen resilience. To learn more about the company, technology solutions and career opportunities, visit us on LinkedIn, on X @Nasdaq, or at www.nasdaq.com.
Nasdaq®, Nasdaq-100 Index® and NDX® are registered trademarks of Nasdaq, Inc. The information contained above is provided for informational and educational purposes only, and nothing contained herein should be construed as investment advice, either on behalf of a particular financial product or an overall investment strategy. Neither Nasdaq, Inc. nor any of its affiliates makes any recommendation to buy or sell any financial product or any representation about the financial condition of any company or fund. Statements regarding Nasdaq’s proprietary indexes are not guarantees of future performance. Actual results may differ materially from those expressed or implied. Past performance is not indicative of future results. Investors should undertake their own due diligence and carefully evaluate companies before investing. ADVICE FROM A SECURITIES PROFESSIONAL IS STRONGLY ADVISED.
Media Contacts:
Maximilian Leitenberger
Maximilian.leitenberger@nasdaq.com
Issuer & Investor Contact
Index Client Services
Indexservices@nasdaq.com
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