Fin Nifty 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.

Fin Nifty levels for the session of 9 Oct 2026, from the 8 Oct 2026 close of 24,640.45: call wall 25,000, put wall 24,600, gamma flip 24,331 (the close sat above it), max pain 25,000 for the 27 Oct 2026 expiry, put/call OI ratio 0.83, net GEX ₹5.9 cr per 1% move.

Close: 24,640.45; 8 Oct 2026
Call wall: 25,000; +1.46%
Put wall: 24,600; -0.16%
Gamma flip: 24,331
Max pain: 25,000; Tue 27 Oct 2026 expiry
PCR (OI): 0.83; nearest 0.82
Net GEX: ₹5.9 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 -₹105 cr per 1% move and there is no gamma flip. Why both are shown.

Gamma exposure by strike

Put GEXStrikeCall GEXNet

25,600₹1.4 cr

25,550₹0.07 cr

25,500-₹2.3 cr

25,450₹0 cr

25,400₹0.65 cr

25,350₹0.19 cr

25,300₹0.74 cr

25,250₹0.18 cr

25,200₹3.2 cr

25,150₹0.24 cr

25,100₹8.4 cr

25,050-₹0.4 cr

25,000₹10.1 cr

24,950₹0.26 cr

24,900-₹0.97 cr

24,850-₹0.28 cr

24,800₹1.1 cr

24,750-₹0.06 cr

24,700₹0.77 cr

24,650-₹0.42 cr

24,600-₹7.3 cr

24,550-₹0.23 cr

24,500-₹2.9 cr

24,450-₹0.61 cr

24,400-₹1.4 cr

24,350₹0.04 cr

24,300-₹1.1 cr

24,250-₹0.04 cr

24,200-₹0.23 cr

24,150-₹0.09 cr

24,100-₹0.25 cr

24,050₹0.08 cr

24,000-₹1.8 cr

23,950-₹0.25 cr

23,900-₹0.47 cr

23,850-₹0.18 cr

23,800-₹0.08 cr

23,750-₹0.04 cr

23,700-₹0.21 cr

Open interest and OI change by strike

Open interest and its change in units, summed over all listed expiries; GEX in ₹ crore per 1% move from expiries within 60 days. Strikes within 5% of the close.
Strike	Call OI	Put OI	Call OI chg	Put OI chg	Call GEX	Put GEX	Net GEX
23,450	0	120	0	0	₹0 cr	-₹0.01 cr	-₹0.01 cr
23,500	120	18,060	0	+5,040	₹0.01 cr	-₹2 cr	-₹2 cr
23,550	240	0	0	0	₹0.03 cr	₹0 cr	₹0.03 cr
23,600	180	780	0	0	₹0.02 cr	-₹0.09 cr	-₹0.07 cr
23,650	180	60	0	0	₹0.02 cr	-₹0.01 cr	₹0.02 cr
23,700	180	1,740	+180	+240	₹0.02 cr	-₹0.23 cr	-₹0.21 cr
23,750	480	780	0	+420	₹0.07 cr	-₹0.11 cr	-₹0.04 cr
23,800	600	1,140	0	+360	₹0.09 cr	-₹0.17 cr	-₹0.08 cr
23,850	360	1,500	0	+180	₹0.06 cr	-₹0.23 cr	-₹0.18 cr
23,900	420	3,240	0	+60	₹0.07 cr	-₹0.54 cr	-₹0.47 cr
23,950	420	1,860	+60	0	₹0.07 cr	-₹0.33 cr	-₹0.25 cr
24,000	900	11,100	+180	+1,080	₹0.16 cr	-₹1.9 cr	-₹1.8 cr
24,050	1,020	600	0	-660	₹0.2 cr	-₹0.11 cr	₹0.08 cr
24,100	900	2,220	0	+300	₹0.17 cr	-₹0.42 cr	-₹0.25 cr
24,150	900	1,320	0	-900	₹0.18 cr	-₹0.27 cr	-₹0.09 cr
24,200	540	1,740	0	-1,080	₹0.11 cr	-₹0.34 cr	-₹0.23 cr
24,250	1,080	1,260	+240	+60	₹0.22 cr	-₹0.26 cr	-₹0.04 cr
24,300	1,200	6,300	0	-660	₹0.26 cr	-₹1.3 cr	-₹1.1 cr
24,350	1,380	1,200	0	-420	₹0.3 cr	-₹0.26 cr	₹0.04 cr
24,400	2,940	9,120	+240	-1,140	₹0.66 cr	-₹2 cr	-₹1.4 cr
24,450	720	3,420	0	+1,260	₹0.16 cr	-₹0.77 cr	-₹0.61 cr
24,500	6,900	19,260	-900	-960	₹1.6 cr	-₹4.5 cr	-₹2.9 cr
24,550	1,620	2,580	+720	+540	₹0.38 cr	-₹0.61 cr	-₹0.23 cr
24,600	5,640	36,180	-240	+6,180	₹1.3 cr	-₹8.6 cr	-₹7.3 cr
24,650	1,620	3,360	+240	+720	₹0.39 cr	-₹0.81 cr	-₹0.42 cr
24,700	10,800	7,620	+2,760	+360	₹2.6 cr	-₹1.9 cr	₹0.77 cr
24,750	2,340	2,580	+1,080	+540	₹0.57 cr	-₹0.63 cr	-₹0.06 cr
24,800	10,380	5,940	+2,040	-2,640	₹2.6 cr	-₹1.5 cr	₹1.1 cr
24,850	2,280	3,420	+1,080	+660	₹0.57 cr	-₹0.85 cr	-₹0.28 cr
24,900	6,540	10,440	+600	+3,180	₹1.6 cr	-₹2.6 cr	-₹0.97 cr
24,950	3,420	2,340	+540	-180	₹0.83 cr	-₹0.57 cr	₹0.26 cr
25,000	55,500	13,800	+26,640	-2,340	₹13.4 cr	-₹3.3 cr	₹10.1 cr
25,050	2,160	3,840	-900	+240	₹0.52 cr	-₹0.92 cr	-₹0.4 cr
25,100	41,520	6,120	+28,920	-840	₹9.8 cr	-₹1.4 cr	₹8.4 cr
25,150	2,760	1,740	+780	+60	₹0.64 cr	-₹0.4 cr	₹0.24 cr
25,200	16,680	2,640	+4,500	-180	₹3.8 cr	-₹0.6 cr	₹3.2 cr
25,250	2,580	1,800	+420	0	₹0.59 cr	-₹0.41 cr	₹0.18 cr
25,300	4,980	1,560	+720	0	₹1.1 cr	-₹0.34 cr	₹0.74 cr
25,350	2,340	1,440	0	0	₹0.5 cr	-₹0.31 cr	₹0.19 cr
25,400	4,680	1,500	+1,500	0	₹0.96 cr	-₹0.31 cr	₹0.65 cr
25,450	1,140	1,140	0	0	₹0.23 cr	-₹0.23 cr	₹0 cr
25,500	15,420	27,480	+600	-8,520	₹2.9 cr	-₹5.2 cr	-₹2.3 cr
25,550	1,500	1,140	+60	0	₹0.28 cr	-₹0.21 cr	₹0.07 cr
25,600	9,180	1,500	+3,900	-180	₹1.6 cr	-₹0.26 cr	₹1.4 cr
25,650	2,700	1,020	-120	-180	₹0.45 cr	-₹0.17 cr	₹0.28 cr
25,700	0	840	0	-360	₹0 cr	-₹0.13 cr	-₹0.13 cr
25,750	0	780	0	-360	₹0 cr	-₹0.12 cr	-₹0.12 cr
25,800	0	1,800	0	0	₹0 cr	-₹0.26 cr	-₹0.26 cr
25,850	0	720	0	-180	₹0 cr	-₹0.1 cr	-₹0.1 cr

Fin Nifty OI analysis: biggest additions and unwinds, OI by expiry. Fin Nifty PCR: put call ratio by expiry, with history.

Strike by expiry heatmap

Net GEX (dealers long calls) by strike and expiry, ₹ crore per 1% move. Green adds positive gamma, red negative.
Strike	Tue 27 Oct 2026	Mon 23 Nov 2026
26,500	₹0.5
26,200
26,100
26,000	₹1.5
25,900
25,850	-₹0.1
25,800	-₹0.26
25,750	-₹0.12
25,700	-₹0.13
25,650	₹0.28
25,600	₹1.4
25,550	₹0.07
25,500	-₹2.3
25,450
25,400	₹0.65
25,350	₹0.19
25,300	₹0.74
25,250	₹0.18
25,200	₹3.2
25,150	₹0.24
25,100	₹8.4
25,050	-₹0.4
25,000	₹10.1
24,950	₹0.26
24,900	-₹0.97
24,850	-₹0.28
24,800	₹1.1
24,750	-₹0.06
24,700	₹0.77
24,650	-₹0.42
24,600	-₹7.3
24,550	-₹0.23
24,500	-₹2.9
24,450	-₹0.61
24,400	-₹1.4
24,350
24,300	-₹1.1
24,250
24,200	-₹0.22
24,150	-₹0.09
24,100	-₹0.25
24,050	₹0.08
24,000	-₹1.8
23,950	-₹0.25
23,900	-₹0.47
23,850	-₹0.18
23,800	-₹0.08
23,750
23,700	-₹0.21
23,650
23,600	-₹0.07
23,550
23,500	-₹2
23,450
23,400
23,300
23,200
23,100
23,000
22,900
22,800

Expiries

Lot sizes as printed on each contract row of the exchange file.
Expiry	Days	Lot size	Call OI	Put OI	PCR	Max pain
Tue 27 Oct 2026	19	60	2,93,460	2,42,160	0.82	25,000
Mon 23 Nov 2026	46	60	0	120	n/a	no open interest yet
Tue 29 Dec 2026	82	60	0	0	n/a	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	24,640.45	25,000	24,600	24,331	25,000	0.83	+99,900	+1,020
7 Oct 2026	24,916.4	25,000	25,500	25,949	25,000	1.25	+12,840	+48,480
6 Oct 2026	24,946.05	25,000	24,600	25,110	24,900	1.07	-21,300	+6,660

Method

Implied volatility from settlement prices, carry from put-call parity, risk-free rate 5.5%. 152 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.

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