What is Gamma Squeeze?
When short gamma hedging amplifies moves as price trends — feedback loop on fast markets.
Formula
Shares to buy = Delta × Number of contracts × 100
Indian market context (NSE)
Reference levels: Nifty 50 at 24,300, Reliance Industries at ₹1,300, Bank Nifty futures at 55,000 (lot size 30). Examples below show how Gamma Squeeze shows up on Indian index, equity, and futures books — update to live quotes in your journal.
Nifty 50 perspective
Nifty at 24,300: weekly/monthly option chains centre on round strikes (24,000 / 24,500). Gamma Squeeze on ATM Nifty options shifts quickly into expiry — India VIX and event risk (RBI, budget) reprice premiums independent of spot.
Reliance Industries perspective
Reliance at ₹1,300: stock options are American-style on NSE with liquidity concentrated near ATM strikes. Gamma Squeeze behaviour on ₹1,300 handle differs from index options — watch assignment on short ITM legs before expiry.
Bank Nifty futures perspective
Bank Nifty futures at 55,000: hedging with options or trading gamma squeeze on Bank Nifty weekly contracts — theta and gamma rise sharply into Thursday expiry; futures leg has no time decay but carries overnight gap risk.
How to validate
- Validate Gamma Squeeze separately for index weeklies vs stock options.
- Stress-test with expiry-week and event-week subsets (RBI, budget, results).
- Confirm margin and tail-loss scenarios are logged for short premium books.
- Discard readings polluted by untagged discretionary adjustments.
How to track in TradeLyser
- Tag every leg: structure, DTE, moneyness, and whether Gamma Squeeze was a primary driver.
- Log planned max loss ₹ on entry for short premium strategies.
- Weekly: list open short ITM/ATM legs before expiry with a written roll/close rule.
- Separate F&O account tags from cash equity for Gamma Squeeze statistics.
Best practices
- Size Gamma Squeeze trades with margin headroom for gaps and assignment.
- Prefer defined-risk structures when learning a new options concept.
- Roll or close based on written DTE rules, not convenience.
- Keep weekly index and monthly stock books in separate tags.
Common pitfalls
- Short premium without defined max loss while Gamma Squeeze risk builds.
- Holding illiquid stock options into expiry without a plan.
- Blending index and stock gamma exposure in one tag.
- Ignoring margin spikes on gap opens.
How to use this in TradeLyser
Note short interest or OI context if trading squeeze narrative; tight risk mandatory.
Related terms
Gamma is the rate of change of delta per move in the underlying. High gamma near ATM into expiry makes deltas swing quickly — especially on weekly index options.
Open interest is the number of active derivative contracts not yet closed. Rising OI with rising price often suggests new long initiation; interpretations vary by context.
Short squeeze occurs when rising price forces shorts to buy, amplifying upward move.
Volatility quantifies variability — in prices (historical/realised) or in option premiums (implied). Higher volatility means wider expected swings over a horizon.
FAQ
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