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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 July 8, 2026 at 7:41 PM EDT

Rank
Symbol
Company Name
Oct Gain
Market Cap
Price
Country
Sector
3801
-15.53%
685.29 M
$ 6.73
Monaco
Industrials
3802
-15.56%
461.01 M
$ 17.38
United States
Healthcare
3803
-15.63%
890.39 M
$ 4.02
China
Consumer Cyclical
3804
-15.73%
2.97 B
$ 44.06
United States
Technology
3805
-15.75%
812.29 M
$ 5.35
United Arab Emirates
Technology
3806
-15.79%
478.57 M
$ 4.97
United States
Healthcare
3807
-15.8%
268.71 M
$ 2.16
Greece
Industrials
3808
-15.86%
426.19 M
$ 4.85
United States
Healthcare
3809
-15.9%
139.73 M
$ 50.77
United States
Healthcare
3810
-15.92%
496.34 M
$ 3.72
United States
Consumer Cyclical
3811
-15.95%
438.84 M
$ 9.99
United States
Communication Services
3812
-15.99%
3.46 B
$ 27.67
United States
Healthcare
3813
-15.99%
351.89 M
$ 0.8989
United States
Healthcare
3814
-16.05%
3.90 B
$ 40.51
United States
Healthcare
3815
-16.06%
2.46 B
$ 71.115
United States
Healthcare
3816
-16.12%
1.09 B
$ 25.03
United States
Industrials
3817
-16.21%
1.94 B
$ 40.93
United States
Healthcare
3818
-16.21%
390.32 M
$ 8.59
United States
Healthcare
3819
-16.24%
117.39 M
$ 11.42
United States
Communication Services
3820
-16.27%
417.33 M
$ 30.21
United States
Energy
3821
-16.31%
631.92 M
$ 4.31
United States
Communication Services
3822
-16.43%
140.25 M
$ 33.39
United States
Healthcare
3823
-16.49%
1.91 B
$ 11.08
Hong Kong
Healthcare
3824
-16.53%
10.12 B
$ 16.86
United Kingdom
Communication Services
3825
-16.54%
101.67 B
$ 112.9
United States
Financial Services
3826
-16.58%
303.60 M
$ 4.61
United States
Healthcare
3827
-16.67%
303.35 M
$ 3.93
United States
Healthcare
3828
-16.68%
2.15 B
$ 18.67
China
Communication Services
3829
-16.72%
429.82 M
$ 4.45
United States
Industrials
3830
-16.72%
428.49 M
$ 1.61
United Kingdom
Healthcare
3831
-16.78%
2.73 B
$ 12.39
United States
Technology
3832
-16.78%
1.37 B
$ 9.48
United States
Financial Services
3833
-16.82%
576.83 M
$ 14.25
United States
Industrials
3834
-16.91%
6.53 B
$ 9.31
Brazil
Utilities
3835
-17.02%
113.32 M
$ 10.745
China
Healthcare
3836
-17.08%
5.83 B
$ 5.45
Brazil
Energy
3837
-17.18%
718.82 M
$ 17.16
United States
Healthcare
3838
-17.19%
42.94 B
$ 321.59
United States
Healthcare
3839
-17.22%
3.88 B
$ 97.82
United States
Industrials
3840
-17.32%
5.86 B
$ 15.44
United States
Technology
3841
-17.36%
802.49 M
$ 2.03
United States
Technology
3842
-17.41%
122.10 M
$ 6.6
United States
Consumer Cyclical
3843
-17.47%
115.97 M
$ 4.8
United States
Healthcare
3844
-17.5%
207.86 M
$ 0.7709
United States
Healthcare
3845
-17.51%
3.70 B
$ 74.32
Monaco
Energy
3846
-17.62%
2.09 B
$ 19.79
United States
Healthcare
3847
-17.65%
2.53 B
$ 74.9
United States
Healthcare
3848
-17.67%
2.83 B
$ 9.44
China
Technology
3849
-17.72%
3.86 B
$ 77.74
United States
Consumer Cyclical
3850
-17.81%
6.78 B
$ 56.56
United States
Healthcare
3851
-17.87%
718.13 M
$ 12.58
United States
Healthcare
3852
-17.88%
5.31 B
$ 153.14
United States
Technology
3853
-17.93%
7.82 B
$ 128.31
United States
Healthcare
3854
-17.94%
5.98 B
$ 60.77
Switzerland
Healthcare
3855
-18.03%
210.84 M
$ 4.56
United States
Financial Services
3856
-18.05%
1.56 B
$ 9.46
United States
Healthcare
3857
-18.12%
2.92 B
$ 26.2
Greece
Industrials
3858
-18.18%
358.77 M
$ 2.63
United States
Industrials
3859
-18.2%
4.14 B
$ 102.36
United States
Financial Services
3860
-18.26%
2.76 B
$ 53.01
United States
Healthcare
3861
-18.38%
753.88 M
$ 13.3
United States
Financial Services
3862
-18.4%
1.25 B
$ 5.89
Bermuda
Energy
3863
-18.54%
1.87 B
$ 6.5
United States
Healthcare
3864
-18.58%
1.14 B
$ 2.43
United States
Communication Services
3865
-18.58%
6.20 B
$ 36.92
Israel
Consumer Cyclical
3866
-18.59%
744.69 M
$ 15.48
United States
Technology
3867
-18.61%
238.67 M
$ 9.25
United States
Healthcare
3868
-18.67%
321.69 M
$ 2.5
United States
Healthcare
3869
-18.72%
5.08 B
$ 24.13
United States
Technology
3870
-18.87%
683.20 M
$ 7.98
United States
Consumer Cyclical
3871
-18.91%
1.04 B
$ 9.08
Mexico
Industrials
3872
-18.97%
469.60 M
$ 17.03
United States
Healthcare
3873
-18.97%
781.54 M
$ 7.01
United States
Healthcare
3874
-19.05%
143.76 M
$ 4.79
United States
Technology
3875
-19.15%
1.76 B
$ 8.99
United Kingdom
Consumer Cyclical
3876
-19.3%
8.37 B
$ 20.47
United States
Technology
3877
-19.33%
1.07 B
$ 14.78
United States
Communication Services
3878
-19.34%
6.09 B
$ 3.8
Brazil
Consumer Defensive
3879
-19.44%
246.60 M
$ 3.22
United States
Healthcare
3880
-19.58%
3.93 B
$ 75.5
United States
Consumer Cyclical
3881
-19.63%
7.52 B
$ 175.3
United States
Consumer Cyclical
3882
-20.14%
651.90 M
$ 16.84
United States
Industrials
3883
-20.24%
2.97 B
$ 3.01
Brazil
Energy
3884
-20.32%
347.50 M
$ 4.11
United States
Technology
3885
-20.65%
1.15 B
$ 5.45
United States
Financial Services
3886
-20.78%
4.34 B
$ 19.58
United States
Technology
3887
-20.79%
236.01 M
$ 4.88
United States
Healthcare
3888
-20.87%
6.37 B
$ 153.72
United States
Technology
3889
-21.09%
107.86 M
$ 1.55
United States
Healthcare
3890
-21.12%
259.67 M
$ 3.93
China
Healthcare
3891
-21.17%
405.16 M
$ 7.96
United States
Healthcare
3892
-21.32%
330.34 M
$ 2.57
United States
Industrials
3893
-21.32%
1.70 B
$ 87.61
United States
Consumer Defensive
3894
-21.45%
298.21 M
$ 3.9
United States
Healthcare
3895
-21.76%
506.78 M
$ 9.68
Ireland
Healthcare
3896
-21.78%
9.17 B
$ 8.76
United States
Healthcare
3897
-21.97%
8.25 B
$ 15.97
Cayman Islands
Financial Services
3898
-21.98%
239.27 M
$ 7.07
United States
Energy
3899
-22.07%
251.21 M
$ 3.77
United States
Healthcare
3900
-22.11%
283.87 M
$ 7.25
China
Technology
Return measured from the start of the stock's current trading history (a recent listing or relisting), not from the start of the month.
For the most accurate results, consider cross-referencing our data with other sources.