BHARTIARTL 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.
BHARTIARTL levels for the session of 9 Oct 2026, from the 8 Oct 2026 close of 1,802.95: call wall 1,840, put wall 1,820, gamma flip 1,742 (the close sat above it), max pain 1,820 for the 27 Oct 2026 expiry, put/call OI ratio 0.63, net GEX ₹128 cr per 1% move.
- Close
- 1,802.95
- 8 Oct 2026
- Call wall
- 1,840
- +2.05%
- Put wall
- 1,820
- +0.95%
- Gamma flip
- 1,742
- Max pain
- 1,820
- Tue 27 Oct 2026 expiry
- PCR (OI)
- 0.63
- nearest 0.62
- Net GEX
- ₹128 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 -₹545 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 |
|---|---|---|---|---|---|---|---|
| 1,720 | 95,950 | 5,22,025 | +1,900 | -1,75,275 | ₹0.85 cr | -₹4.6 cr | -₹3.8 cr |
| 1,740 | 3,41,525 | 7,52,875 | -9,975 | +44,650 | ₹4.1 cr | -₹8.9 cr | -₹4.8 cr |
| 1,760 | 10,41,200 | 13,94,125 | -12,825 | +7,600 | ₹16.1 cr | -₹21.7 cr | -₹5.6 cr |
| 1,780 | 8,76,375 | 15,03,850 | +38,475 | +1,12,100 | ₹16.4 cr | -₹28.2 cr | -₹11.8 cr |
| 1,800 | 26,31,025 | 21,16,600 | +2,94,500 | -1,63,875 | ₹54.1 cr | -₹42.9 cr | ₹11.3 cr |
| 1,820 | 24,30,575 | 25,65,950 | +3,80,950 | -1,90,000 | ₹48.6 cr | -₹51.3 cr | -₹2.7 cr |
| 1,840 | 57,38,950 | 14,70,125 | +1,54,850 | -73,625 | ₹101 cr | -₹26 cr | ₹75 cr |
| 1,860 | 40,29,425 | 6,27,950 | -20,900 | +39,425 | ₹56.1 cr | -₹8.8 cr | ₹47.4 cr |
| 1,880 | 9,70,900 | 1,74,325 | -1,04,500 | +34,200 | ₹10.1 cr | -₹1.8 cr | ₹8.3 cr |
Strike by expiry heatmap
| Strike | Tue 27 Oct 2026 | Mon 23 Nov 2026 |
|---|---|---|
| 1,940 | ₹2.3 | ₹0.08 |
| 1,920 | ₹5.6 | |
| 1,900 | ₹13.6 | ₹0.6 |
| 1,880 | ₹8.3 | |
| 1,860 | ₹47.3 | ₹0.07 |
| 1,840 | ₹73.7 | ₹1.3 |
| 1,820 | -₹2.7 | |
| 1,800 | ₹11.9 | -₹0.64 |
| 1,780 | -₹11.8 | |
| 1,760 | -₹5.7 | ₹0.07 |
| 1,740 | -₹4.5 | -₹0.26 |
| 1,720 | -₹3.8 | |
| 1,700 | -₹4.4 | -₹0.44 |
| 1,680 | -₹0.74 | -₹0.14 |
| 1,660 | -₹1.3 |
Expiries
| Expiry | Days | Lot size | Call OI | Put OI | PCR | Max pain |
|---|---|---|---|---|---|---|
| Tue 27 Oct 2026 | 19 | 475 | 2,28,87,875 | 1,42,91,800 | 0.62 | 1,820 |
| Mon 23 Nov 2026 | 46 | 475 | 3,53,400 | 2,49,850 | 0.71 | 1,800 |
| Tue 29 Dec 2026 | 82 | 475 | 3,325 | 0 | 0.00 | no open interest yet |
Wall migration
| Date | Close | Call wall | Put wall | Gamma flip | Max pain | PCR | Call OI chg | Put OI chg |
|---|---|---|---|---|---|---|---|---|
| 8 Oct 2026 | 1,802.95 | 1,840 | 1,820 | 1,742 | 1,820 | 0.63 | +8,90,150 | -5,45,775 |
| 7 Oct 2026 | 1,833.86 | 1,840 | 1,820 | 1,754 | 1,820 | 0.68 | +65,56,900 | +27,29,825 |
| 6 Oct 2026 | 1,810.49 | 1,800 | 1,820 | 1,754 | 1,800 | 0.78 | +5,99,925 | +7,11,550 |
Method
Implied volatility from settlement prices, carry from put-call parity, risk-free rate 5.5%. 100 contracts used, 1 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.