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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 9

Best Month Jan (+14.6%)

Worst Month Jul (-2.0%)

Active Patterns 19

Alphabet Inc. (Class A)

Best Month Oct (+6.4%)

Worst Month Feb (-2.6%)

Active Patterns 19

Consumer Staples

Best Month Mar (+3.6%)

Worst Month Aug (-0.9%)

Active Patterns 65

Best Month Jan (+4.5%)

Worst Month Feb (-1.2%)

Active Patterns 83

Best Month May (+10.2%)

Worst Month Jun (-2.2%)

Active Patterns 46

Best Month Nov (+4.0%)

Worst Month Jun (-2.8%)

Active Patterns 188

Abbott Laboratories

Best Month Apr (+2.2%)

Worst Month Aug (-0.0%)

Active Patterns 11

Target Corporation

Best Month Mar (+3.0%)

Worst Month Sep (-0.9%)

Active Patterns 29

Best Month Nov (+3.4%)

Worst Month Jul (-0.3%)

Active Patterns 150

Advanced Micro Devices

Best Month Nov (+6.8%)

Worst Month Sep (-4.1%)

Active Patterns 7

Best Month Nov (+4.0%)

Worst Month Sep (-1.5%)

Active Patterns 19

Gilead Sciences

Best Month Jan (+4.6%)

Worst Month Mar (-1.1%)

Active Patterns 9

Vertex Pharmaceuticals

Best Month May (+7.5%)

Worst Month Mar (-2.5%)

Active Patterns 7

Best Month Oct (+3.9%)

Worst Month Aug (+0.0%)

Active Patterns 192

Lululemon Athletica

Best Month Mar (+5.5%)

Worst Month Feb (-1.9%)

Active Patterns 2

United Parcel Service

Best Month Nov (+5.0%)

Worst Month Jan (-2.9%)

Active Patterns 11

Best Month Oct (+6.3%)

Worst Month Sep (-3.9%)

Active Patterns 135

Best Month Oct (+3.4%)

Worst Month Feb (-1.3%)

Active Patterns 61

S&P Biotech SPDR

Best Month Jun (+4.2%)

Worst Month Mar (-1.4%)

Active Patterns 3

Best Month Jun (+9.5%)

Worst Month Mar (-1.1%)

Active Patterns 20

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 65

Best Month Nov (+3.9%)

Worst Month Sep (-0.8%)

Active Patterns 138

Best Month Oct (+5.6%)

Worst Month Sep (-3.3%)

Active Patterns 31

American Express

Best Month Apr (+4.4%)

Worst Month Sep (-0.6%)

Active Patterns 106

Intuitive Surgical

Best Month Jul (+5.9%)

Worst Month Feb (-2.6%)

Active Patterns 98

Best Month Aug (+4.7%)

Worst Month Jun (-1.5%)

Active Patterns 13

Best Month Dec (+8.0%)

Worst Month Jul (+0.3%)

Active Patterns 168

Best Month Nov (+6.7%)

Worst Month Sep (-3.1%)

Active Patterns 10

20+ Year Treas Bond Ishares ETF

Best Month Aug (+1.8%)

Worst Month Oct (-1.8%)

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 104

Oracle Corporation

Best Month Jun (+5.2%)

Worst Month Aug (-0.7%)

Active Patterns 139

Nasdaq QQQ Invesco ETF

Best Month Oct (+2.6%)

Worst Month Sep (-1.6%)

Active Patterns 72

Deere & Company

Best Month Nov (+5.6%)

Worst Month Sep (-0.9%)

Active Patterns 92

Best Month Oct (+4.2%)

Worst Month Jul (-0.2%)

Active Patterns 9

Best Month Jan (+7.9%)

Worst Month Oct (-2.5%)

Active Patterns 7

Best Month Mar (+2.9%)

Worst Month Feb (-2.0%)

Active Patterns 4

Best Month Jan (+2.9%)

Worst Month Jun (-1.1%)

Active Patterns 20

Best Month Oct (+6.2%)

Worst Month Mar (-2.1%)

Active Patterns 17

Consumer Staples

Best Month May (+2.4%)

Worst Month Jan (-0.9%)

Active Patterns 24

Best Month Nov (+3.0%)

Worst Month Feb (-0.9%)

Active Patterns 69

Union Pacific Corporation

Best Month Apr (+2.6%)

Worst Month Jun (-0.5%)

Active Patterns 43

Best Month Mar (+6.9%)

Worst Month Jul (-1.7%)

Active Patterns 20

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 149

Procter & Gamble

Consumer Staples

Best Month Oct (+3.1%)

Worst Month Feb (-0.2%)

Active Patterns 27

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

Vaneck Semiconductor ETF

Best Month Nov (+4.3%)

Worst Month Sep (-1.5%)

Active Patterns 42

Best Month Mar (+2.5%)

Worst Month Feb (-1.3%)

Active Patterns 56

Best Month Nov (+4.9%)

Worst Month Jan (-1.1%)

Active Patterns 39

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 64

Best Month Apr (+8.3%)

Worst Month Feb (-2.3%)

Active Patterns 46

Best Month Apr (+3.0%)

Worst Month Sep (-1.0%)

Active Patterns 113

Thermo Fisher Scientific

Best Month Jan (+3.8%)

Worst Month Sep (-0.8%)

Active Patterns 116

Best Month Nov (+3.7%)

Worst Month Sep (-1.2%)

Active Patterns 3

Best Month Jan (+3.4%)

Worst Month Feb (-0.4%)

Active Patterns 39

Dow Industrials SPDR

Best Month Nov (+2.6%)

Worst Month Sep (-1.1%)

Active Patterns 163

Best Month Nov (+2.3%)

Worst Month Sep (-0.6%)

Active Patterns 104

Best Month Apr (+2.8%)

Worst Month Sep (-2.8%)

Active Patterns 45

Best Month Mar (+3.0%)

Worst Month Feb (-0.5%)

Active Patterns 52

S&P 500 Financials Sector SPDR

Best Month Apr (+2.1%)

Worst Month Feb (-1.4%)

Active Patterns 70

Best Month Apr (+2.8%)

Worst Month May (-0.3%)

Active Patterns 1

Best Month Nov (+3.9%)

Worst Month Sep (-0.3%)

Active Patterns 167

Russell 2000 Ishares ETF

Best Month Nov (+3.3%)

Worst Month Sep (-1.1%)

Active Patterns 23

Best Month Nov (+2.9%)

Worst Month Feb (-0.6%)

Active Patterns 9

Best Month Nov (+3.9%)

Worst Month Jul (-1.4%)

Active Patterns 95

Best Month Apr (+2.8%)

Worst Month Sep (-1.6%)

Active Patterns 113

Best Month Nov (+6.4%)

Worst Month Feb (-2.1%)

Active Patterns 18

Bank of America

Best Month Apr (+2.4%)

Worst Month Sep (-1.8%)

Active Patterns 40

Best Month Nov (+5.5%)

Worst Month Sep (-0.8%)

Active Patterns 145

Johnson & Johnson

Best Month Apr (+3.4%)

Worst Month Sep (+0.2%)

Active Patterns 71

Best Month Dec (+4.9%)

Worst Month Feb (-1.1%)

Active Patterns 64

Best Month Jul (+5.7%)

Worst Month Apr (+0.0%)

Active Patterns 131

Bristol Myers Squibb

Best Month Dec (+2.4%)

Worst Month Jan (-1.1%)

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 Oct (+3.8%)

Worst Month Apr (-0.5%)

Best Month Dec (+3.5%)

Worst Month Aug (-0.9%)

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 (-1.3%)

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 2026-07-15