The 0-DTE Options Trap: Gamma Risk, Gap Risk & Black Swan Survival

QuantInsti
QuantInstiMay 12, 2026

Why It Matters

As 0‑DTE options dominate retail trading, understanding their gamma and liquidity risks is crucial to prevent outsized losses and preserve market integrity.

Key Takeaways

  • Zero‑day‑to‑expiration (0‑DTE) options eliminate overnight gap risk for traders seeking daily closure.
  • High gamma can swing positions dramatically within minutes.
  • Spreads limit unlimited loss; naked short options are perilous.
  • Pre‑defined exit levels are essential for 0‑DTE risk management.
  • Relying on luck, like a 10‑trade 90‑day challenge, is unsustainable.

Summary

The video examines the growing popularity of zero‑day‑to‑expiration (0‑DTE) options and highlights the unique risks they pose, especially gamma risk, theta decay, and the potential for rapid, large‑scale losses.

Because 0‑DTE contracts expire at market close, traders avoid overnight gap risk, but they inherit extreme gamma exposure that can move a position against them in seconds. Theta decay benefits out‑of‑the‑money legs, yet the rapid time decay forces traders to be constantly reactive. The speaker stresses using spreads instead of naked shorts to cap unlimited loss and setting predefined exit points.

Illustrative anecdotes include a trader who took only ten trades in a 90‑day competition, betting his entire capital without stop‑losses and getting lucky, and another who was caught in a 20% market gap after the 2009 election, suffering a sizable loss because the position was held overnight.

The takeaway for market participants is clear: 0‑DTE strategies demand disciplined risk controls, spread structures, and strict exit rules. Without them, the allure of quick theta decay can quickly turn into catastrophic loss, threatening both individual portfolios and broader market stability.

Original Description

0-DTE options may look attractive because they seem to reduce overnight gap risk.
But there is a trade-off many traders miss: gamma risk.
In this clip, Dr Gaurav Raizada explains why short-dated options can move violently near expiry, why high win-rate strategies can still blow up, and why professional options trading is built around survival before returns.
The key lesson: risk management is not about avoiding every loss. It is about making sure one extreme market move does not wipe out your trading capital.
Watch the full webinar here:
Timestamps
00:00 Coming up: black swan risk in options
00:20 The 0-DTE options trap
00:45 Dr. Gaurav Raizada on extreme market gaps
01:15 The 100% win rate myth
02:00 What traders miss about 0-DTE options
02:30 Gamma risk vs gap risk
03:00 Professional survival rules
03:25 Watch the full webinar
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