HINDALCO gamma exposure, walls and max pain for 9 Oct 2026
Source: NSE end-of-day data, 8 Oct 2026. End of day, not live. Not investment advice.
HINDALCO levels for the session of 9 Oct 2026, from the 8 Oct 2026 close of 890.16: call wall 960, put wall 920, gamma flip 907 (the close sat below it), max pain 950 for the 27 Oct 2026 expiry, put/call OI ratio 0.93, net GEX -₹5.3 cr per 1% move.
- Close
- 890.16
- 8 Oct 2026
- Call wall
- 960
- +7.85%
- Put wall
- 920
- +3.35%
- Gamma flip
- 907
- Max pain
- 950
- Tue 27 Oct 2026 expiry
- PCR (OI)
- 0.93
- nearest 0.92
- Net GEX
- -₹5.3 cr
- per 1% move
Sign convention on screen: Dealers long calls, short puts. Under the other reading (option writers short every option), net GEX is -₹78.5 cr per 1% move and there is no gamma flip. Why both are shown.
Gamma exposure by strike
Open interest and OI change by strike
| Strike | Call OI | Put OI | Call OI chg | Put OI chg | Call GEX | Put GEX | Net GEX |
|---|---|---|---|---|---|---|---|
| 850 | 1,400 | 12,20,100 | 0 | +10,15,000 | ₹0 cr | -₹4.5 cr | -₹4.5 cr |
| 860 | 32,200 | 3,37,400 | 0 | +1,23,900 | ₹0.11 cr | -₹1.4 cr | -₹1.3 cr |
| 870 | 0 | 1,87,600 | 0 | +48,300 | ₹0 cr | -₹0.9 cr | -₹0.9 cr |
| 880 | 2,27,500 | 9,40,100 | +2,09,300 | +6,59,400 | ₹1.2 cr | -₹4.9 cr | -₹3.7 cr |
| 890 | 1,69,400 | 2,80,000 | +1,53,300 | +1,37,200 | ₹0.92 cr | -₹1.5 cr | -₹0.6 cr |
| 900 | 4,57,100 | 6,75,500 | +3,24,100 | -75,600 | ₹2.5 cr | -₹3.6 cr | -₹1.1 cr |
| 910 | 3,22,000 | 1,80,600 | +2,28,900 | -7,700 | ₹1.7 cr | -₹0.98 cr | ₹0.77 cr |
| 920 | 10,57,000 | 10,34,600 | +5,11,700 | +4,29,800 | ₹5.5 cr | -₹5.3 cr | ₹0.14 cr |
| 930 | 6,06,200 | 3,54,200 | +91,000 | -5,18,000 | ₹2.9 cr | -₹1.7 cr | ₹1.2 cr |
Strike by expiry heatmap
| Strike | Tue 27 Oct 2026 | Mon 23 Nov 2026 |
|---|---|---|
| 960 | ₹1 | |
| 950 | ₹1.9 | |
| 940 | -₹0.8 | ₹0.08 |
| 930 | ₹1.2 | |
| 920 | ₹0.2 | -₹0.06 |
| 910 | ₹0.77 | |
| 900 | -₹0.88 | -₹0.21 |
| 890 | -₹0.6 | |
| 880 | -₹3.7 | |
| 870 | -₹0.89 | |
| 860 | -₹1.4 | ₹0.06 |
| 850 | -₹4 | -₹0.42 |
| 840 | -₹1.8 | |
| 830 | -₹0.11 | |
| 820 | -₹0.2 |
Expiries
| Expiry | Days | Lot size | Call OI | Put OI | PCR | Max pain |
|---|---|---|---|---|---|---|
| Tue 27 Oct 2026 | 19 | 700 | 1,22,61,200 | 1,12,65,100 | 0.92 | 950 |
| Mon 23 Nov 2026 | 46 | 700 | 2,18,400 | 2,77,900 | 1.27 | 920 |
| Tue 29 Dec 2026 | 82 | 700 | 2,100 | 3,500 | 1.67 | 900 |
Wall migration
| Date | Close | Call wall | Put wall | Gamma flip | Max pain | PCR | Call OI chg | Put OI chg |
|---|---|---|---|---|---|---|---|---|
| 8 Oct 2026 | 890.16 | 960 | 920 | 907 | 950 | 0.93 | +19,23,600 | +13,26,500 |
| 7 Oct 2026 | 910.85 | 960 | 960 | 938 | 960 | 0.97 | +15,36,500 | +6,34,200 |
| 6 Oct 2026 | 940.5 | 960 | 960 | 971 | 970 | 1.06 | +5,87,300 | +2,37,300 |
Method
Implied volatility from settlement prices, carry from put-call parity, risk-free rate 5.5%. 99 contracts used, 0 skipped with no solvable volatility, 0 expiring on the trade date left out. GEX is in ₹ crore per 1% move. Full method and sign convention.
Archive: 3 sessions stored since 6 Oct 2026, free, no account.