NIFTY expiry 13 October 2026: what the 22,700 options did in the last 30 minutes
On Tuesday 13 October 2026 the NIFTY strike nearest the index at 15:00 was 22,700. The index went from 22,680 at 15:00 to 22,722 at 15:30, up 42 points across the settle walk.
The at-the-money legs, 15:00 to 15:30
| Leg | 15:00 | High | Low | 15:30 | End vs 15:00 | Open interest |
|---|---|---|---|---|---|---|
| 22,700 CE | ₹26.5 | ₹35.1 15:11 | ₹18.2 15:03 | ₹21.9 | 0.8× | 18.9M → 15.8M |
| 22,700 PE | ₹32.1 | ₹41.0 15:02 | ₹0.1 15:29 | ₹0.1 | worthless | 22.8M → 26.9M |
Premium of the strike nearest the index at 15:00, sampled every ten seconds from the NSE option chain. Index values are the chain's own quote. Dotted verticals mark a pin-book flip on Gamma Terrain.
What happened
The 22,700 call was ₹26.5 at 15:00. Its high was ₹35.1 at 15:11. It ended at ₹21.9, 0.8× the 15:00 price. Open interest at the strike went from 18.9 million to 15.8 million, so positions were closed through the window.
The 22,700 put was ₹32.1 at 15:00. Its high was ₹41.0 at 15:02. Its low was ₹0.1 at 15:29, less than half of where it started the half hour. It ended at ₹0.1, worthless. Open interest at the strike went from 22.8 million to 26.9 million, so positions were added through the window.
For context, across 21 NIFTY and SENSEX expiries measured to 2026-09-08, 15 of 42 at-the-money legs doubled at some point in this window, 26 lost half, and 13 ended at or above their 15:00 price. This page states what the tape did. It is not a recommendation to buy or sell anything.
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