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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 Jun (+9.5%)

Worst Month Mar (-1.1%)

Active Patterns 12

Best Month Apr (+3.0%)

Worst Month Sep (-1.0%)

Active Patterns 1

Best Month Oct (+6.3%)

Worst Month Sep (-3.9%)

Active Patterns 43

Alphabet Inc. (Class A)

Best Month Oct (+6.4%)

Worst Month Feb (-2.6%)

Active Patterns 1

Best Month Oct (+3.9%)

Worst Month Aug (+0.0%)

Active Patterns 245

Abbott Laboratories

Best Month Apr (+2.2%)

Worst Month Aug (+0.0%)

Active Patterns 1

Best Month Apr (+4.2%)

Worst Month Jun (-0.2%)

Active Patterns 5

Best Month Apr (+3.5%)

Worst Month Sep (-1.0%)

Active Patterns 52

Best Month Apr (+5.0%)

Worst Month Sep (-0.6%)

Active Patterns 128

Best Month Nov (+5.4%)

Worst Month Aug (-0.6%)

Active Patterns 114

Best Month Jan (+7.9%)

Worst Month Oct (-2.5%)

Active Patterns 4

Best Month Mar (+3.0%)

Worst Month Feb (-0.5%)

Active Patterns 13

Best Month Nov (+5.5%)

Worst Month Sep (-0.8%)

Active Patterns 103

Vaneck Semiconductor ETF

Best Month Nov (+4.3%)

Worst Month Sep (-1.5%)

Active Patterns 60

Best Month Dec (+4.9%)

Worst Month Feb (-1.1%)

Active Patterns 23

RTX Corporation

Best Month Dec (+3.4%)

Worst Month Sep (-1.6%)

Active Patterns 36

American Express

Best Month Apr (+4.4%)

Worst Month Sep (-0.6%)

Active Patterns 166

Best Month Jan (+4.5%)

Worst Month Feb (-1.2%)

Active Patterns 6

Best Month Nov (+3.9%)

Worst Month Sep (-0.8%)

Active Patterns 170

Advanced Micro Devices

Best Month Nov (+6.8%)

Worst Month Sep (-4.1%)

Active Patterns 4

Best Month Jan (+2.9%)

Worst Month Jun (-1.1%)

Active Patterns 20

Best Month Nov (+3.4%)

Worst Month Jul (-0.4%)

Active Patterns 170

Best Month Nov (+6.4%)

Worst Month Feb (-2.1%)

Active Patterns 9

Best Month Apr (+4.2%)

Worst Month Sep (-1.5%)

Active Patterns 36

Intuitive Surgical

Best Month Jun (+5.7%)

Worst Month Feb (-2.6%)

Active Patterns 90

Oracle Corporation

Best Month Jun (+5.2%)

Worst Month Aug (-0.5%)

Active Patterns 112

Best Month Nov (+4.0%)

Worst Month Jun (-2.8%)

Active Patterns 171

Best Month Nov (+3.9%)

Worst Month Sep (-0.3%)

Active Patterns 195

Deere & Company

Best Month Nov (+5.6%)

Worst Month Sep (-0.9%)

Active Patterns 107

Best Month Oct (+3.4%)

Worst Month Feb (-1.3%)

Active Patterns 17

Best Month Jul (+5.7%)

Worst Month Apr (+0.0%)

Active Patterns 98

Best Month Nov (+6.7%)

Worst Month Sep (-3.1%)

Active Patterns 18

Consumer Staples

Best Month May (+2.4%)

Worst Month Jan (-0.9%)

Active Patterns 15

Lockheed Martin

Best Month Apr (+2.8%)

Worst Month Oct (-0.1%)

Active Patterns 74

Best Month Nov (+3.0%)

Worst Month Feb (-0.9%)

Active Patterns 71

Union Pacific Corporation

Best Month Apr (+2.6%)

Worst Month Jun (-0.5%)

Active Patterns 52

Thermo Fisher Scientific

Best Month Jan (+3.8%)

Worst Month Sep (-0.8%)

Active Patterns 50

Vertex Pharmaceuticals

Best Month May (+7.5%)

Worst Month Mar (-2.5%)

Active Patterns 5

Johnson & Johnson

Best Month Apr (+3.4%)

Worst Month Sep (+0.2%)

Active Patterns 72

Procter & Gamble

Consumer Staples

Best Month Oct (+3.1%)

Worst Month Feb (-0.2%)

Active Patterns 5

Philip Morris International

Consumer Staples

Best Month Feb (+4.0%)

Worst Month Aug (-1.5%)

Active Patterns 5

Consumer Staples

Best Month Dec (+4.8%)

Worst Month Jul (+0.8%)

Active Patterns 1

Consumer Staples

Best Month Mar (+3.6%)

Worst Month Aug (-0.9%)

Active Patterns 8

S&P 500 Technology Sector SPDR

Best Month Oct (+2.7%)

Worst Month Feb (-1.6%)

Active Patterns 49

Best Month Mar (+2.5%)

Worst Month Feb (-1.3%)

Active Patterns 21

Best Month Nov (+4.9%)

Worst Month Jan (-1.1%)

Active Patterns 44

Nasdaq QQQ Invesco ETF

Best Month Oct (+2.6%)

Worst Month Sep (-1.6%)

Active Patterns 16

Best Month May (+3.7%)

Worst Month Jul (-0.5%)

Active Patterns 40

Best Month Oct (+5.6%)

Worst Month Sep (-3.3%)

Active Patterns 4

UnitedHealth Group

Best Month Jan (+4.2%)

Worst Month Aug (-0.4%)

Active Patterns 119

20+ Year Treas Bond Ishares ETF

Best Month Aug (+1.7%)

Worst Month Oct (-1.8%)

Active Patterns 9

Dow Industrials SPDR

Best Month Nov (+2.6%)

Worst Month Sep (-1.1%)

Active Patterns 157

Best Month Apr (+2.8%)

Worst Month Sep (-2.8%)

Active Patterns 33

Colgate-Palmolive

Consumer Staples

Best Month Oct (+2.5%)

Worst Month Aug (-0.1%)

Active Patterns 7

S&P 500 Financials Sector SPDR

Best Month Apr (+2.1%)

Worst Month Feb (-1.4%)

Active Patterns 24

Best Month Apr (+2.8%)

Worst Month Sep (-1.6%)

Active Patterns 110

Emerging Markets Ishares MSCI ETF

Best Month Dec (+2.4%)

Worst Month Aug (-0.9%)

Active Patterns 6

Best Month Dec (+8.0%)

Worst Month Jul (+0.6%)

Active Patterns 231

Bank of America

Best Month Apr (+2.4%)

Worst Month Sep (-1.8%)

Active Patterns 42

Best Month Mar (+6.9%)

Worst Month Jul (-1.2%)

Best Month Apr (+8.3%)

Worst Month Feb (-2.3%)

Best Month Nov (+3.7%)

Worst Month Sep (-1.2%)

Best Month Nov (+3.9%)

Worst Month Feb (-0.4%)

Bristol Myers Squibb

Best Month Dec (+2.4%)

Worst Month Jan (-1.1%)

Best Month Mar (+2.9%)

Worst Month Feb (-2.0%)

Best Month Nov (+19.3%)

Worst Month Apr (-9.9%)

Best Month Aug (+3.1%)

Worst Month Jun (-2.4%)

Best Month Aug (+6.2%)

Worst Month Jun (-1.5%)

Best Month May (+17.8%)

Worst Month Jul (-3.6%)

Best Month Apr (+2.6%)

Worst Month Jun (-0.9%)

Dominion Energy

Best Month Apr (+1.8%)

Worst Month Feb (-0.8%)

Best Month Jan (+3.7%)

Worst Month Sep (-1.9%)

Best Month Apr (+5.6%)

Worst Month Jul (-1.9%)

Best Month Mar (+4.9%)

Worst Month Jun (-0.5%)

Best Month Oct (+3.8%)

Worst Month Apr (-0.5%)

Best Month Dec (+3.5%)

Worst Month Aug (-1.1%)

Gilead Sciences

Best Month Jan (+4.6%)

Worst Month Mar (-1.1%)

Russell 2000 Ishares ETF

Best Month Nov (+3.3%)

Worst Month Sep (-1.1%)

Lululemon Athletica

Best Month Mar (+5.5%)

Worst Month Feb (-1.9%)

Best Month Nov (+3.4%)

Worst Month Feb (-0.2%)

Best Month Jan (+14.6%)

Worst Month Jul (-2.1%)

Best Month Mar (+5.0%)

Worst Month Jan (+0.9%)

Best Month Oct (+6.2%)

Worst Month Mar (-2.1%)

Best Month May (+10.2%)

Worst Month Jun (-2.2%)

Best Month Jan (+3.4%)

Worst Month Feb (-0.4%)

Occidental Petroleum

Best Month Apr (+3.0%)

Worst Month Jul (-1.5%)

Best Month Nov (+2.9%)

Worst Month Feb (-0.6%)

Palantir Technologies

Best Month May (+15.5%)

Worst Month Dec (-3.9%)

Best Month Nov (+4.0%)

Worst Month Jun (-2.1%)

Best Month Oct (+4.2%)

Worst Month Jul (-0.1%)

Charles Schwab Corporation

Best Month Oct (+5.0%)

Worst Month Aug (-1.1%)

Best Month Apr (+3.6%)

Worst Month Sep (-1.3%)

Best Month Nov (+2.3%)

Worst Month Sep (-0.6%)

Active Patterns 39

Best Month Nov (+15.1%)

Worst Month Dec (-4.3%)

Target Corporation

Best Month Mar (+3.0%)

Worst Month Sep (-0.9%)

Best Month Aug (+7.0%)

Worst Month Oct (-4.3%)

United Parcel Service

Best Month Nov (+5.0%)

Worst Month Jan (-2.9%)

S&P Biotech SPDR

Best Month Jun (+4.2%)

Worst Month Mar (-1.4%)

S&P 500 Energy Sector SPDR

Best Month Apr (+2.9%)

Worst Month Sep (-0.5%)

Best Month Apr (+2.8%)

Worst Month May (-0.3%)

See the Full Analysis

Wave Viewer shows every seasonal window, AI score, and election-cycle overlay in real time. Free to start.

Last updated 2026-09-16