0DTE Options: What the Data Shows About Zero-Days Trading

0DTE options exploded in popularity starting 2022-2023 when SPY/QQQ moved to daily expirations. Trading volumes rival or exceed longer-dated options on index products.

The Appeal

For retail traders drawn to active engagement, 0DTE offers substantial activity and short feedback cycles. Simultaneously the appeal and the risk.

Specific Risks

Extreme gamma. Highest of any option. 1% move in SPY can produce 500% changes in near-ATM 0DTE value.

Minimal time for mean reversion. No second chances if position goes wrong.

Pin risk at expiration. Positions near short strikes at close create assignment uncertainty.

Transaction cost impact. Low premium but similar commissions. Higher percentage cost.

Psychological pressure. Watching positions move dramatically through day creates emotional pressure.

Backtest Research

0DTE iron condors on SPY: approximately break-even to slightly profitable with discipline. Requires tight risk management.

0DTE short straddles on SPY: similar pattern. Occasional large losses offset many small wins. Slightly positive expected value with high variance.

0DTE long options for directional plays: typically negative expected value due to theta decay. Math works against trader.

0DTE scalping: highly dependent on skill and execution. Most retail participants lose over time, often substantially.

Successful Strategies

Credit spreads with tight short strikes. 5-10 delta, 2-5 wide, close at 50% profit or defined loss. Can be profitable with discipline.

Iron condors with narrow wings. Works best in low-realized-volatility.

Volatility targeting trades. Open when IV elevated and expected to decline through day.

Opening-range strategies. Specific entry windows (30-90 min after open). More research-supported than random timing.

Documented Failure Modes

Overleveraging after wins. Position sizes grow. One bad day wipes out weeks of gains.

No defined exit on losses. "Just need to recover" leads to holding losers through end of day.

Chasing missed moves. Late entries at worse prices.

Fat-tail event exposure. Fed announcements, major data create fast moves eliminating normal edge.

Transaction cost accumulation. Multiple trades per day accumulate costs.

Market Impact of 0DTE Volume

Massive growth has changed index option dynamics:

Pinning behavior. SPY/QQQ often pin near strikes with heavy 0DTE OI.

Market maker hedging. Can amplify intraday volatility, especially final hour.

Gamma squeeze potential. Large 0DTE OI can create accelerating moves when breached.

Strategies that worked 2020-2021 may work differently in 2026 due to altered market structure.

Realistic Framework

Honest skill assessment. 0DTE requires faster decisions and better risk management than longer-dated. Many attempting are not prepared.

Tiny position sizes. 1-contract for weeks/months while learning. Scale only after demonstrated profitability.

Define exits before entry. Both profit targets and loss limits.

Focus on index products. SPY/QQQ have deepest 0DTE markets with tightest spreads.

Avoid revenge trading. Daily loss limits with mandatory stops.

Honest cost accounting. Commissions, spreads, platform fees, taxes.

For most retail traders, 0DTE is not appropriate entry point to options trading. Combination of extreme gamma, limited mistake time, and emotional pressure makes it more difficult than longer-dated strategies.

For experienced traders with specific skill and discipline, 0DTE can be legitimate strategy with manageable risk. Implementations that work tend to involve credit spreads at distant strikes, tight risk management, limited daily position count.

Reality: most retail 0DTE participants lose money, often substantially. Strategies that work are disciplined and systematic rather than opportunistic.