# AUBANK gamma exposure, walls and max pain

Canonical: https://squawkflow.com/india/stocks/aubank

AUBANK closed at ₹848.02 on 27 Oct 2026. Levels for the session of 28 Oct 2026 from that close: call wall ₹900, put wall ₹860, gamma flip ₹800 (the close sat above it), max pain ₹880 for the 23 Nov 2026 expiry. Call open interest exceeded put open interest: 83,73,000 call units and 48,59,000 put units. Calls added 17,78,000 units; puts added 7,51,000 units against the prior file. The AUBANK gamma exposure by strike chart, the strike by expiry heatmap and the wall migration across archived sessions are at https://squawkflow.com/india/stocks/aubank, updated after each end-of-day exchange file.

Source: public end-of-day exchange data, 27 Oct 2026. End of day, not live. Not investment advice.

## AUBANK: what changed in the exchange file

AUBANK's 23 Nov 2026 max pain was ₹880, above the close by 3.77%. This is an open-interest payout minimum, not a price target.

The largest absolute call OI change in AUBANK's stored strike aggregation was at ₹1,000: +3,91,000 units, an addition.

The largest absolute put OI change in AUBANK's stored strike aggregation was at ₹1,000: +2,92,000 units, an addition.

In AUBANK's stored 26 Oct 2026 row, the close was ₹869.01, call OI 1,52,35,000 and put OI 97,44,000.

For AUBANK's 23 Nov 2026 future, the closing price fell (-1.42%) and open interest increased (11.00%) on 27 Oct 2026. Futures and option units are separate series.

Computed from the 27 Oct 2026 close. Next update after the 28 Oct 2026 close, checked hourly from 18:10 to 21:10 IST that day.

## Levels for the next session

| Level | Value |
| --- | --- |
| Close | 848.02 (27 Oct 2026) |
| Call wall | 900 |
| Put wall | 860 |
| Gamma flip | 800 |
| Net GEX, Dealers long calls, short puts | ₹6.7 cr per 1% move |
| Net GEX, Option writers short every option | -₹37.3 cr per 1% move |
| Max pain, 23 Nov 2026 expiry | 880 |
| PCR (OI), all expiries | 0.58 |
| PCR (OI), nearest expiry | 0.58 |
| Lot size (nearest expiry) | 1000 |

## Expiries

| Expiry | Days | Lot | Call OI | Put OI | PCR | Max pain |
| --- | --- | --- | --- | --- | --- | --- |
| Mon 23 Nov 2026 | 27 | 1000 | 83,66,000 | 48,56,000 | 0.58 | 880 |
| Tue 29 Dec 2026 | 63 | 1000 | 7,000 | 3,000 | 0.43 | 900 |

## By strike (within 5% of the close)

GEX in ₹ crore per 1% move. OI and OI change in units.

| Strike | Call OI | Put OI | Call OI chg | Put OI chg | Call GEX | Put GEX | Net GEX |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 810 | 0 | 52,000 | 0 | +32,000 | ₹0 cr | -₹0.16 cr | -₹0.16 cr |
| 820 | 0 | 1,41,000 | 0 | +29,000 | ₹0 cr | -₹0.47 cr | -₹0.47 cr |
| 830 | 28,000 | 1,41,000 | 0 | +56,000 | ₹0.1 cr | -₹0.51 cr | -₹0.41 cr |
| 840 | 34,000 | 2,04,000 | +9,000 | +47,000 | ₹0.13 cr | -₹0.8 cr | -₹0.66 cr |
| 850 | 2,47,000 | 4,97,000 | +91,000 | -88,000 | ₹1 cr | -₹2 cr | -₹1 cr |
| 860 | 4,58,000 | 5,89,000 | +1,21,000 | +1,03,000 | ₹2 cr | -₹2.5 cr | -₹0.56 cr |
| 870 | 6,47,000 | 5,20,000 | +1,04,000 | +61,000 | ₹2.7 cr | -₹2.2 cr | ₹0.54 cr |
| 880 | 6,09,000 | 4,81,000 | +2,10,000 | +56,000 | ₹2.5 cr | -₹2 cr | ₹0.53 cr |
| 890 | 2,34,000 | 1,30,000 | +48,000 | +4,000 | ₹0.93 cr | -₹0.52 cr | ₹0.41 cr |

## Recent sessions

| Date | Close | Call wall | Put wall | Gamma flip | Max pain | PCR |
| --- | --- | --- | --- | --- | --- | --- |
| 27 Oct 2026 | 848.02 | 900 | 860 | 800 | 880 | 0.58 |
| 26 Oct 2026 | 869.01 | 880 | 860 | 861 | 960 | 0.64 |
| 23 Oct 2026 | 932.94 | 1,000 | 950 | 927 | 980 | 0.72 |
| 22 Oct 2026 | 953.89 | 1,000 | 950 | 951 | 990 | 0.77 |
| 21 Oct 2026 | 953.79 | 1,000 | 950 | 948 | 990 | 0.74 |
| 19 Oct 2026 | 971.7 | 1,000 | 1,000 | 974 | 1,000 | 0.85 |
| 16 Oct 2026 | 989.4 | 1,000 | 1,000 | 979 | 1,000 | 0.86 |
| 15 Oct 2026 | 1,002.69 | 1,000 | 1,000 | 987 | 1,000 | 0.91 |
| 14 Oct 2026 | 999.5 | 1,000 | 1,000 | 986 | 1,000 | 0.90 |
| 13 Oct 2026 | 991.29 | 1,000 | 1,000 | 984 | 1,000 | 0.91 |
| 12 Oct 2026 | 977.2 | 1,000 | 1,000 | 976 | 1,000 | 0.88 |
| 9 Oct 2026 | 981.99 | 1,000 | 1,000 | 975 | 1,000 | 0.87 |
| 8 Oct 2026 | 975 | 1,000 | 1,000 | 986 | 1,000 | 0.93 |
| 7 Oct 2026 | 993.41 | 1,040 | 1,000 | 983 | 1,010 | 0.88 |
| 6 Oct 2026 | 1,028.02 | 1,040 | 1,000 | 1,000 | 1,020 | 0.95 |

## Method

Implied volatility from settlement prices, carry from put-call parity, risk-free rate 5.5%. 86 contracts used, 0 skipped (no solvable volatility), 96 expiring on the trade date left out. Full method: https://squawkflow.com/india/method