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Top Stock Gainers October 2021 - Monthly Performance Ranked

Track the top performing stocks of October 2021 ranked by monthly price gain. See which stock gainers delivered the highest gains this month, with market caps over $100 million on Nasdaq and NYSE.
2021

This ranking shows the top performing stocks and biggest stock gainers during October 2021, calculated from the first to the last trading day of the month. It shows which stocks are going up this month, with split-adjusted data used for consistent performance calculations.

Monthly performance rankings can reveal price strength, sustained momentum, sector rotation, and event-driven moves that are not visible in one-day movers lists. The table is informational only and does not recommend any stock to buy, sell, or hold.

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Data as of April 27, 2026 at 7:57 AM EDT

Rank
Symbol
Company Name
Oct Gain
Market Cap
Price
Country
Sector
3901
-22.27%
213.48 M
$ 16.05
United States
Energy
3902
-22.31%
1.18 B
$ 21.26
United States
Healthcare
3903
-22.38%
303.14 M
$ 13.99
Greece
Industrials
3904
-22.56%
637.62 M
$ 17.12
Mexico
Consumer Cyclical
3905
-22.9%
3.73 B
$ 45.29
United States
Technology
3906
-23.25%
1.88 B
$ 33.72
United States
Healthcare
3907
-23.26%
369.12 M
$ 13.82
United States
Utilities
3908
-23.4%
1.09 B
$ 21.23
United States
Healthcare
3909
-23.41%
697.30 M
$ 4.03
Cayman Islands
Technology
3910
-23.5%
267.51 M
$ 2.85
China
Consumer Defensive
3911
-23.76%
294.10 M
$ 9.38
United States
Healthcare
3912
-23.87%
2.61 B
$ 33.29
United States
Healthcare
3913
-24.03%
3.24 B
$ 26.6
United States
Energy
3914
-24.13%
139.52 M
$ 6.15
United States
Industrials
3915
-24.14%
2.09 B
$ 28.1
United States
Healthcare
3916
-24.52%
347.59 M
$ 4.85
Switzerland
Healthcare
3917
-24.57%
1.55 B
$ 22.42
United States
Healthcare
3918
-24.68%
224.72 M
$ 1.67
United States
Healthcare
3919
-24.7%
1.04 B
$ 6.05
United States
Healthcare
3920
-24.85%
818.93 M
$ 5.42
United States
Communication Services
3921
-24.91%
570.35 M
$ 25.07
United States
Healthcare
3922
-25%
491.64 M
$ 1.91
United States
Healthcare
3923
-25.12%
802.31 M
$ 38.17
United States
Consumer Cyclical
3924
-25.14%
1.72 B
$ 1.29
Brazil
Basic Materials
3925
-25.6%
1.47 B
$ 2.4
China
Technology
3926
-25.7%
2.60 B
$ 7.67
United States
Industrials
3927
-26.05%
823.17 M
$ 8.29
United States
Healthcare
3928
-26.13%
97.54 B
$ 8.85
Brazil
Financial Services
3929
-26.15%
307.49 M
$ 5.39
United States
Healthcare
3930
-26.58%
974.11 M
$ 13.53
United States
Healthcare
3931
-26.71%
354.63 M
$ 27.03
United States
Basic Materials
3932
-27.02%
929.33 M
$ 11.7
United States
Healthcare
3933
-27.52%
1.64 B
$ 64.87
United States
Healthcare
3934
-27.82%
149.75 M
$ 3.9
United States
Healthcare
3935
-27.88%
1.15 B
$ 10.24
United States
Healthcare
3936
-27.99%
561.73 M
$ 15.88
United States
Communication Services
3937
-28.4%
846.48 M
$ 4.53
United Kingdom
Basic Materials
3938
-28.73%
114.97 M
$ 2.38
United States
Healthcare
3939
-29.13%
1.01 B
$ 2.79
Turkey
Consumer Cyclical
3940
-29.67%
199.98 M
$ 0.6523
United States
Technology
3941
-29.69%
794.59 M
$ 2.31
United States
Healthcare
3942
-30.06%
388.12 M
$ 10.8
United States
Financial Services
3943
-30.13%
9.54 B
$ 5.65
United States
Communication Services
3944
-31%
11.90 B
$ 22.14
United States
Financial Services
3945
-31.43%
2.86 B
$ 10.24
Brazil
Technology
3946
-32.06%
4.27 B
$ 5.7
United States
Industrials
3947
-32.1%
142.43 M
$ 2.52
United States
Healthcare
3948
-34.67%
147.28 M
$ 5.23
United States
Healthcare
3949
-35.97%
2.07 B
$ 9.49
United States
Healthcare
3950
-36.5%
126.50 M
$ 0.1361
United States
Healthcare
3951
-36.61%
1.17 B
$ 19.8
France
Healthcare
3952
-37.91%
1.24 B
$ 6.94
Singapore
Financial Services
3953
-40.7%
241.12 M
$ 5.84
United States
Energy
3954
-40.86%
22.42 B
$ 159.89
Hong Kong
Financial Services
3955
-41.15%
13.59 B
$ 27.49
Hong Kong
Healthcare
3956
-41.67%
208.17 M
$ 2.92
United States
Healthcare
3957
-42.26%
8.79 B
$ 52.47
United States
Industrials
3958
-44.42%
2.85 B
$ 5.11
Canada
Basic Materials
3959
-44.61%
295.47 M
$ 4.7
United States
Healthcare
3960
-58.09%
215.05 M
$ 11.69
United States
Healthcare
3961
-70.23%
3.82 B
$ 64.07
United States
Real Estate
3962
-72.29%
435.81 M
$ 5.47
United States
Healthcare
3963
-76.17%
831.04 M
$ 30.5
United States
Financial Services
3964
-100%
375.96 M
$ 14.49
3965
-100%
25.03 B
$ 25.04
For the most accurate results, consider cross-referencing our data with other sources.