Fin Nifty OI analysis: open interest and OI change by strike, end of day 8 Oct 2026

Source: NSE end-of-day data, 8 Oct 2026. End of day, not live. Not investment advice.

Fin Nifty open interest, end of day 8 Oct 2026: close 24,640.45, largest call OI at 25,000 (the resistance read), largest put OI at 24,600 (the support read), call OI 2,93,460 (+99,900), put OI 2,42,280 (+1,020), put/call OI ratio 0.83.

For the session of Fri 9 Oct 2026. The largest call OI strike (25,000) is the usual resistance read and the largest put OI strike (24,600) the usual support read. They describe where open interest sits, not where the index will go.OI is in units from the exchange file.

Biggest OI additions

Strike	OI change
25,100 CE	+28,920
25,000 CE	+26,640
27,000 CE	+19,260
24,600 PE	+6,180
23,500 PE	+5,040

Biggest OI unwinds

Strike	OI change
25,500 PE	-8,520
24,800 PE	-2,640
25,000 PE	-2,340
24,400 PE	-1,140
24,200 PE	-1,080

OI by expiry

Expiry	Call OI	Put OI	PCR	Max pain
Tue 27 Oct 2026	2,93,460	2,42,160	0.82	25,000
Mon 23 Nov 2026	0	120	n/a	no open interest yet
Tue 29 Dec 2026	0	0	n/a	no open interest yet

OI by strike, by expiry

Expiry

Expiry Tue 27 Oct 2026 (19 days): call OI 2,93,460, put OI 2,42,160, PCR 0.82, max pain 25,000; largest call OI at 25,000, largest put OI at 24,600. They describe where open interest sits, not where the index will go.

Strikes within 5% of the 24,640.45 close, this expiry only. Settle is the exchange settlement price.
Strike	Call OI	Call OI change	Call settle	Put OI	Put OI change	Put settle
23,450	0	0	1296.28	120	0	35.75
23,500	120	0	1251.04	18,060	+5,040	76.80
23,550	240	0	1206.28	0	0	45.45
23,600	180	0	1162.03	780	0	51.05
23,650	180	0	1118.32	60	0	57.19
23,700	180	+180	1075.19	1,740	+240	63.91
23,750	480	0	1032.68	780	+420	71.25
23,800	600	0	990.82	1,140	+360	79.24
23,850	360	0	949.64	1,500	+180	119.50
23,900	420	0	909.18	3,240	+60	97.30
23,950	420	+60	869.47	1,860	0	107.45
24,000	900	+180	830.55	11,100	+1,080	150.00
24,050	1,020	0	792.45	600	-660	130.13
24,100	900	0	755.20	2,220	+300	169.95
24,150	900	0	718.83	1,320	-900	156.21
24,200	540	0	683.37	1,620	-1,080	198.50
24,250	1,080	+240	679.25	1,260	+60	218.65
24,300	1,200	0	615.26	6,300	-660	223.35
24,350	1,380	0	582.66	1,200	-420	249.15
24,400	2,940	+240	584.45	9,120	-1,140	258.25
24,450	720	0	520.48	3,420	+1,260	279.40
24,500	6,900	-900	508.45	19,260	-960	293.55
24,550	1,620	+720	470.00	2,580	+540	312.65
24,600	5,640	-240	465.35	36,180	+6,180	333.45
24,650	1,620	+240	435.25	3,360	+720	353.55
24,700	10,800	+2,760	410.60	7,620	+360	378.25
24,750	2,340	+1,080	389.45	2,580	+540	399.65
24,800	10,380	+2,040	362.15	5,940	-2,640	424.60
24,850	2,280	+1,080	334.55	3,420	+660	448.35
24,900	6,540	+600	309.90	10,440	+3,180	490.10
24,950	3,420	+540	297.05	2,340	-180	516.05
25,000	55,500	+26,640	275.00	13,800	-2,340	540.50
25,050	2,160	-900	254.85	3,840	+240	577.25
25,100	41,520	+28,920	235.00	6,120	-840	601.25
25,150	2,760	+780	218.10	1,740	+60	635.46
25,200	16,680	+4,500	202.45	2,640	-180	676.15
25,250	2,580	+420	171.27	1,800	0	705.36
25,300	4,980	+720	170.85	1,560	0	741.63
25,350	2,340	0	144.95	1,440	0	778.74
25,400	4,680	+1,500	139.60	1,500	0	816.66
25,450	1,140	0	121.87	1,140	0	855.36
25,500	15,420	+600	119.95	27,480	-8,520	895.25
25,550	1,500	+60	103.70	1,140	0	934.99
25,600	9,180	+3,900	94.75	1,500	-180	975.85
25,650	2,700	-120	84.47	1,020	-180	1017.36
25,700	0	0	76.75	840	-360	1059.49
25,750	0	0	69.61	780	-360	1102.21
25,800	0	0	63.04	1,800	0	1145.48
25,850	0	0	56.99	720	-180	1189.28

OI by strike (all open expiries combined)

Strikes within 5% of the 24,640.45 close, all open expiries combined.
Strike	Call OI	Call OI change	Put OI	Put OI change
23,450	0	0	120	0
23,500	120	0	18,060	+5,040
23,550	240	0	0	0
23,600	180	0	780	0
23,650	180	0	60	0
23,700	180	+180	1,740	+240
23,750	480	0	780	+420
23,800	600	0	1,140	+360
23,850	360	0	1,500	+180
23,900	420	0	3,240	+60
23,950	420	+60	1,860	0
24,000	900	+180	11,100	+1,080
24,050	1,020	0	600	-660
24,100	900	0	2,220	+300
24,150	900	0	1,320	-900
24,200	540	0	1,740	-1,080
24,250	1,080	+240	1,260	+60
24,300	1,200	0	6,300	-660
24,350	1,380	0	1,200	-420
24,400	2,940	+240	9,120	-1,140
24,450	720	0	3,420	+1,260
24,500	6,900	-900	19,260	-960
24,550	1,620	+720	2,580	+540
24,600	5,640	-240	36,180	+6,180
24,650	1,620	+240	3,360	+720
24,700	10,800	+2,760	7,620	+360
24,750	2,340	+1,080	2,580	+540
24,800	10,380	+2,040	5,940	-2,640
24,850	2,280	+1,080	3,420	+660
24,900	6,540	+600	10,440	+3,180
24,950	3,420	+540	2,340	-180
25,000	55,500	+26,640	13,800	-2,340
25,050	2,160	-900	3,840	+240
25,100	41,520	+28,920	6,120	-840
25,150	2,760	+780	1,740	+60
25,200	16,680	+4,500	2,640	-180
25,250	2,580	+420	1,800	0
25,300	4,980	+720	1,560	0
25,350	2,340	0	1,440	0
25,400	4,680	+1,500	1,500	0
25,450	1,140	0	1,140	0
25,500	15,420	+600	27,480	-8,520
25,550	1,500	+60	1,140	0
25,600	9,180	+3,900	1,500	-180
25,650	2,700	-120	1,020	-180
25,700	0	0	840	-360
25,750	0	0	780	-360
25,800	0	0	1,800	0
25,850	0	0	720	-180

Fin Nifty PCR · Fin Nifty levels and GEX · Max pain for the next session · F&O OI change

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