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Stock Seasonal Patterns & AI Scores

AI-powered seasonal analysis for 100 stocks and ETFs, backed by up to 98 years of historical data. Updated daily.

What Are Seasonal Stock Patterns?

Stocks tend to perform differently depending on the time of year. These recurring tendencies, called seasonal patterns, are driven by earnings cycles, tax-loss harvesting in December, mutual fund rebalancing at quarter-end, and shifts in investor sentiment around holidays and elections. For example, the "sell in May and go away" effect reflects a well-documented tendency for stocks to underperform during summer months.

TradeWave analyzes up to 98 years of historical daily price data for each stock to identify the best and worst months to buy, calculate win rates and average returns per month, and score seasonal windows using AI. Each page below shows the complete monthly seasonality breakdown, election-cycle overlays for 2026, and any currently active AI-scored seasonal patterns.

Click any ticker to see its full seasonal analysis, or filter by sector using the buttons below.

Best Month Apr (+4.2%)

Worst Month Jun (-0.2%)

Active Patterns 8

Best Month Jan (+14.6%)

Worst Month Jul (-2.0%)

Active Patterns 25

Alphabet Inc. (Class A)

Best Month Oct (+6.4%)

Worst Month Feb (-2.6%)

Active Patterns 22

Consumer Staples

Best Month Mar (+3.6%)

Worst Month Aug (-0.9%)

Active Patterns 66

Vaneck Semiconductor ETF

Best Month Nov (+4.3%)

Worst Month Sep (-1.5%)

Active Patterns 47

Intuitive Surgical

Best Month Jul (+5.9%)

Worst Month Feb (-2.6%)

Active Patterns 98

Best Month Jan (+4.5%)

Worst Month Feb (-1.2%)

Active Patterns 86

Best Month Oct (+6.2%)

Worst Month Mar (-2.1%)

Active Patterns 28

Best Month May (+10.2%)

Worst Month Jun (-2.2%)

Active Patterns 41

Best Month Nov (+4.0%)

Worst Month Jun (-2.8%)

Active Patterns 177

Target Corporation

Best Month Mar (+3.0%)

Worst Month Sep (-0.9%)

Active Patterns 26

Best Month Nov (+3.4%)

Worst Month Jul (-0.3%)

Active Patterns 151

Advanced Micro Devices

Best Month Nov (+6.8%)

Worst Month Sep (-4.1%)

Active Patterns 7

Gilead Sciences

Best Month Jan (+4.6%)

Worst Month Mar (-1.1%)

Active Patterns 10

Best Month Nov (+4.0%)

Worst Month Sep (-1.5%)

Active Patterns 14

Best Month Mar (+6.9%)

Worst Month Jul (-1.7%)

Active Patterns 21

Best Month Oct (+6.3%)

Worst Month Sep (-3.9%)

Active Patterns 130

Best Month Oct (+3.9%)

Worst Month Aug (+0.0%)

Active Patterns 183

Best Month Nov (+6.7%)

Worst Month Sep (-3.1%)

Active Patterns 49

United Parcel Service

Best Month Nov (+5.0%)

Worst Month Jan (-2.9%)

Active Patterns 9

Oracle Corporation

Best Month Jun (+5.2%)

Worst Month Aug (-0.7%)

Active Patterns 147

S&P Biotech SPDR

Best Month Jun (+4.2%)

Worst Month Mar (-1.4%)

Active Patterns 4

Best Month Jun (+9.5%)

Worst Month Mar (-1.1%)

Active Patterns 20

Best Month Jan (+7.9%)

Worst Month Oct (-2.5%)

Active Patterns 18

Best Month Oct (+3.4%)

Worst Month Feb (-1.3%)

Active Patterns 52

Best Month Apr (+3.5%)

Worst Month Sep (-1.0%)

Active Patterns 66

Best Month Nov (+3.9%)

Worst Month Feb (-0.4%)

Active Patterns 5

Lockheed Martin

Best Month Apr (+2.8%)

Worst Month Oct (-0.1%)

Active Patterns 54

Best Month Nov (+3.9%)

Worst Month Sep (-0.8%)

Active Patterns 127

American Express

Best Month Apr (+4.4%)

Worst Month Sep (-0.6%)

Active Patterns 95

Best Month Oct (+5.6%)

Worst Month Sep (-3.3%)

Active Patterns 26

Best Month Aug (+4.7%)

Worst Month Jun (-1.5%)

Active Patterns 13

Best Month Oct (+4.2%)

Worst Month Jul (-0.2%)

Active Patterns 1

20+ Year Treas Bond Ishares ETF

Best Month Aug (+1.8%)

Worst Month Oct (-1.8%)

Active Patterns 9

Vertex Pharmaceuticals

Best Month May (+7.5%)

Worst Month Mar (-2.5%)

Active Patterns 9

Dominion Energy

Best Month Apr (+1.8%)

Worst Month Feb (-0.8%)

Active Patterns 1

S&P 500 Technology Sector SPDR

Best Month Oct (+2.7%)

Worst Month Feb (-1.6%)

Active Patterns 102

Nasdaq QQQ Invesco ETF

Best Month Oct (+2.6%)

Worst Month Sep (-1.6%)

Active Patterns 73

Deere & Company

Best Month Nov (+5.6%)

Worst Month Sep (-0.9%)

Active Patterns 92

Best Month Dec (+8.0%)

Worst Month Jul (+0.3%)

Active Patterns 157

Best Month Mar (+2.9%)

Worst Month Feb (-2.0%)

Active Patterns 2

Best Month Jan (+2.9%)

Worst Month Jun (-1.1%)

Active Patterns 20

Consumer Staples

Best Month May (+2.4%)

Worst Month Jan (-0.9%)

Active Patterns 26

Best Month Nov (+3.0%)

Worst Month Feb (-0.9%)

Active Patterns 68

Union Pacific Corporation

Best Month Apr (+2.6%)

Worst Month Jun (-0.5%)

Active Patterns 32

RTX Corporation

Best Month Dec (+3.4%)

Worst Month Sep (-1.6%)

Active Patterns 22

Best Month Apr (+5.0%)

Worst Month Sep (-0.6%)

Active Patterns 142

Colgate-Palmolive

Consumer Staples

Best Month Oct (+2.5%)

Worst Month Aug (-0.1%)

Active Patterns 9

Philip Morris International

Consumer Staples

Best Month Feb (+4.0%)

Worst Month Aug (-1.6%)

Active Patterns 5

Best Month Mar (+2.5%)

Worst Month Feb (-1.3%)

Active Patterns 54

Abbott Laboratories

Best Month Apr (+2.2%)

Worst Month Aug (-0.0%)

Active Patterns 7

Procter & Gamble

Consumer Staples

Best Month Oct (+3.1%)

Worst Month Feb (-0.2%)

Active Patterns 18

Best Month Nov (+4.9%)

Worst Month Jan (-1.1%)

Active Patterns 37

Best Month May (+3.7%)

Worst Month Jul (-1.2%)

Active Patterns 29

UnitedHealth Group

Best Month Jan (+4.2%)

Worst Month Aug (-0.2%)

Active Patterns 53

Best Month Apr (+8.3%)

Worst Month Feb (-2.3%)

Active Patterns 52

Thermo Fisher Scientific

Best Month Jan (+3.8%)

Worst Month Sep (-0.8%)

Active Patterns 107

Best Month Nov (+3.7%)

Worst Month Sep (-1.2%)

Active Patterns 5

Best Month Apr (+3.0%)

Worst Month Sep (-1.0%)

Active Patterns 110

Best Month Jan (+3.4%)

Worst Month Feb (-0.4%)

Active Patterns 38

Best Month Nov (+2.3%)

Worst Month Sep (-0.6%)

Active Patterns 94

Dow Industrials SPDR

Best Month Nov (+2.6%)

Worst Month Sep (-1.1%)

Active Patterns 152

Bristol Myers Squibb

Best Month Dec (+2.4%)

Worst Month Jan (-1.1%)

Active Patterns 2

Best Month Apr (+2.8%)

Worst Month Sep (-2.8%)

Active Patterns 46

Best Month Mar (+3.0%)

Worst Month Feb (-0.5%)

Active Patterns 53

Best Month Apr (+2.8%)

Worst Month May (-0.3%)

Active Patterns 1

S&P 500 Financials Sector SPDR

Best Month Apr (+2.1%)

Worst Month Feb (-1.4%)

Active Patterns 60

Best Month Nov (+3.9%)

Worst Month Sep (-0.3%)

Active Patterns 156

Russell 2000 Ishares ETF

Best Month Nov (+3.3%)

Worst Month Sep (-1.1%)

Active Patterns 21

Best Month Nov (+2.9%)

Worst Month Feb (-0.6%)

Active Patterns 8

Best Month Nov (+3.9%)

Worst Month Jul (-1.4%)

Active Patterns 84

Best Month Nov (+6.4%)

Worst Month Feb (-2.1%)

Active Patterns 20

Best Month Apr (+2.8%)

Worst Month Sep (-1.6%)

Active Patterns 102

Bank of America

Best Month Apr (+2.4%)

Worst Month Sep (-1.8%)

Active Patterns 29

Best Month Nov (+5.5%)

Worst Month Sep (-0.8%)

Active Patterns 136

Johnson & Johnson

Best Month Apr (+3.4%)

Worst Month Sep (+0.2%)

Active Patterns 72

Best Month Dec (+4.9%)

Worst Month Feb (-1.1%)

Active Patterns 53

Best Month Jul (+5.7%)

Worst Month Apr (+0.0%)

Active Patterns 129

Best Month Nov (+19.3%)

Worst Month Apr (-9.9%)

Best Month Aug (+3.0%)

Worst Month Jun (-2.4%)

Best Month May (+17.8%)

Worst Month Jul (-4.1%)

Best Month Apr (+2.6%)

Worst Month Jun (-0.9%)

Best Month Jan (+3.7%)

Worst Month Aug (-2.1%)

Best Month Apr (+5.6%)

Worst Month Jul (-2.2%)

Emerging Markets Ishares MSCI ETF

Best Month Dec (+2.4%)

Worst Month Aug (-1.1%)

Best Month Mar (+4.9%)

Worst Month Jul (-0.9%)

Best Month Nov (+3.1%)

Worst Month Sep (-0.1%)

Best Month Dec (+3.5%)

Worst Month Aug (-0.9%)

Lululemon Athletica

Best Month Mar (+5.5%)

Worst Month Feb (-1.9%)

Consumer Staples

Best Month Dec (+4.7%)

Worst Month Apr (+0.7%)

Best Month Nov (+3.4%)

Worst Month Feb (-0.2%)

Best Month Mar (+5.0%)

Worst Month Jan (+0.9%)

Occidental Petroleum

Best Month Apr (+3.0%)

Worst Month Jul (-2.0%)

Palantir Technologies

Best Month May (+15.5%)

Worst Month Dec (-3.9%)

Best Month Nov (+4.0%)

Worst Month Jun (-2.1%)

Charles Schwab Corporation

Best Month Oct (+5.0%)

Worst Month Aug (-1.2%)

Best Month Apr (+3.6%)

Worst Month Sep (-1.6%)

Best Month Nov (+15.1%)

Worst Month Dec (-4.3%)

Best Month Aug (+7.3%)

Worst Month Oct (-4.3%)

S&P 500 Energy Sector SPDR

Best Month Apr (+2.9%)

Worst Month Sep (-0.5%)

See the Full Analysis

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Last updated 2026-07-04