0DTE (zero days to expiration) options expire the same trading day. This is one of the highest-risk forms of options trading: very fast moves in both directions and a real chance of losing the entire premium.
Highest risk
A 0DTE option has no time buffer. If the stock does not move in your favour quickly, the option expires worthless at the 4:00 PM ET close. Many 0DTE options expire worthless. This is for experienced traders who can monitor positions actively and who can afford to lose every dollar they put in.
0DTE stands for "zero days to expiration": options contracts that expire at the end of the current trading day.
If you buy a 0DTE option at 10:00 AM you have about six hours until the 4:00 PM ET close for the stock to move your way. If it does not, the option expires worthless and you lose 100% of the premium.
This time limit has two effects: the options are often very cheap, and small stock moves can create large percentage swings because of gamma.
They have become popular because they offer lottery-ticket-like payoffs for small capital. That accessibility is deceptive. Many traders lose money because they underestimate how fast time decay works and overestimate their ability to time intraday moves.
Both examples use made-up prices. They are not real trades and not results.
Format example: made-up prices, not real trades
Result: lossLoss of the full $80 premium per contract in this example.
Result: winA hypothetical gain of $120 per contract before fees in this example.
Made-up prices and times, shown to illustrate the format.
Yes, significantly. They have no time buffer, so if the stock does not move immediately you lose. Regular options give a thesis weeks or months to play out. With 0DTE you must be right about direction and timing within hours.
Many experienced traders avoid the first 30 minutes (9:30 to 10:00 AM ET) because of volatility and wide spreads. Mid-day often shows clearer trends. The final hour is the most dangerous because time decay accelerates and liquidity can dry up.
No. They expire at the 4:00 PM ET close. If you do not sell before then, they expire worthless if out of the money, or may be exercised if in the money, which can create an unwanted stock position.
Highly liquid index ETFs have tight spreads and are the most common choice. Individual stocks can work around catalysts such as earnings if volume is high. Avoid low-volume stocks, where wide spreads can erase any edge.
Only money you can afford to lose entirely, and a small fraction of your account per trade. Risking too much per trade is a common way accounts are blown up. 0DTE should be small speculative positions, never a core strategy.
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