0DTE
Zero days to expiration — options expiring the same day. Extremely high gamma and theta make them fast-moving and risky.
0DTE (zero days to expiration) refers to options contracts that expire on the same trading day. With the expansion of daily expirations on SPY, QQQ, and major indices, 0DTE trading has exploded in popularity. These options have extreme characteristics: gamma is at its maximum (small stock moves create large option price swings), theta decay is at its fastest (the option loses value by the minute), and delta can flip rapidly as the stock crosses strike prices.
The appeal of 0DTE options is leverage and defined risk. A small directional bet can produce 100%+ returns within hours if the stock moves in your favor. But the flip side is equally dramatic — a slight adverse move or a period of consolidation can wipe out the entire premium in minutes. The time value of 0DTE options approaches zero by mid-afternoon, making them essentially pure bets on intraday direction.
Options Pilot's Timing pillar considers expiration proximity as a risk factor. While the platform focuses on multi-day strategies rather than intraday 0DTE trades, understanding the gamma and theta dynamics of 0DTE options helps explain end-of-day price pinning behavior captured by the Pin Probability metric and the max pain analysis.
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0DTE is part of the Timing pillar in our 5-pillar scoring system.
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