Why Did NIFTY Reverse Despite Heavy Call Writing?
When call writing fails — trend days, short gamma hedging, and writer run-over.
Quick Answer
Call OI is not a brick wall on **trend days**. Writers delta-hedge by buying futures as spot rises — fueling continuation. Rejection needs **failed hold**, not just touch.
When Walls Fail
- Trend + short gamma
- Stale call OI
- Short covering through strike
- Global risk-on
- Expiry gamma shift
Trade It
Frequently Asked Questions
- Should I act on this answer alone?
- Use it as immediate context, then confirm on the live option chain and OI tools before sizing a trade.
Key Takeaways
- Fade walls on range days only.
- Writer hedging can accelerate trends.
- Wait for rejection candle.
Related Articles
- How to Identify Call Writing on the Option ChainLearn how to spot call writing (call selling) on Nifty and Bank Nifty — OI buildup at resistance, volume confirmation, LB/SB labels, and when call writers are defending a strike.
- Gamma: When Delta Moves FastGamma explains delta acceleration near ATM strikes — critical for expiry-day Nifty options and gamma squeeze dynamics.