Bank 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.
Bank Nifty open interest, end of day 8 Oct 2026: close 54,515.05, largest call OI at 57,000 (the resistance read), largest put OI at 55,000 (the support read), call OI 1,82,55,750 (+7,26,180), put OI 1,53,61,920 (-2,20,230), put/call OI ratio 0.84.
For the session of Fri 9 Oct 2026. The largest call OI strike (57,000) is the usual resistance read and the largest put OI strike (55,000) 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 |
|---|---|
| 55,000 CE | +3,41,370 |
| 56,000 CE | +95,220 |
| 54,700 CE | +86,880 |
| 54,800 CE | +82,590 |
| 52,000 PE | +69,030 |
Biggest OI unwinds
| Strike | OI change |
|---|---|
| 58,000 CE | -1,81,800 |
| 57,500 CE | -1,23,930 |
| 55,200 PE | -87,660 |
| 54,500 PE | -84,120 |
| 55,300 PE | -57,930 |
OI by expiry
| Expiry | Call OI | Put OI | PCR | Max pain |
|---|---|---|---|---|
| Tue 27 Oct 2026 | 1,51,06,350 | 1,30,79,700 | 0.87 | 55,500 |
| Mon 23 Nov 2026 | 27,02,460 | 16,68,570 | 0.62 | 57,000 |
| Tue 29 Dec 2026 | 4,18,350 | 6,01,080 | 1.44 | 57,000 |
| Tue 30 Mar 2027 | 28,260 | 12,360 | 0.44 | 57,000 |
| Tue 29 Jun 2027 | 330 | 90 | 0.27 | 57,000 |
| Tue 28 Sep 2027 | 0 | 120 | n/a | no open interest yet |
OI by strike, by expiry
Expiry Tue 27 Oct 2026 (19 days): call OI 1,51,06,350, put OI 1,30,79,700, PCR 0.87, max pain 55,500; largest call OI at 56,000, largest put OI at 55,000. They describe where open interest sits, not where the index will go.
| Strike | Call OI | Call OI change | Call settle | Put OI | Put OI change | Put settle |
|---|---|---|---|---|---|---|
| 51,800 | 30 | 0 | 2934.79 | 22,350 | -1,830 | 114.05 |
| 51,900 | 0 | 0 | 2843.06 | 12,570 | -2,100 | 121.70 |
| 52,000 | 39,300 | +1,920 | 2841.55 | 7,26,840 | +45,420 | 131.10 |
| 52,100 | 0 | 0 | 2662.04 | 39,420 | +60 | 139.10 |
| 52,200 | 0 | 0 | 2572.85 | 54,480 | +27,000 | 149.45 |
| 52,300 | 660 | 0 | 2484.64 | 24,030 | +810 | 159.60 |
| 52,400 | 0 | 0 | 2397.45 | 34,290 | +3,150 | 170.45 |
| 52,500 | 2,220 | +60 | 2407.65 | 3,48,330 | -8,040 | 183.85 |
| 52,600 | 0 | 0 | 2226.38 | 72,600 | +7,590 | 197.75 |
| 52,700 | 1,080 | 0 | 2142.62 | 30,420 | +1,230 | 210.35 |
| 52,800 | 300 | +90 | 2102.40 | 73,290 | +9,000 | 224.20 |
| 52,900 | 270 | +90 | 2039.45 | 23,670 | -2,760 | 243.30 |
| 53,000 | 64,710 | +810 | 1976.50 | 5,56,320 | -10,260 | 259.40 |
| 53,100 | 780 | +30 | 1864.60 | 21,210 | -1,050 | 277.35 |
| 53,200 | 2,010 | +150 | 1788.15 | 53,910 | -17,400 | 296.10 |
| 53,300 | 2,310 | -60 | 1710.35 | 43,980 | +15,780 | 319.75 |
| 53,400 | 2,880 | +300 | 1627.40 | 59,340 | +17,640 | 340.65 |
| 53,500 | 39,750 | -4,560 | 1592.45 | 3,56,310 | -11,970 | 363.15 |
| 53,600 | 7,020 | 0 | 1493.20 | 52,530 | +9,120 | 385.40 |
| 53,700 | 18,330 | -1,710 | 1433.65 | 60,480 | +10,620 | 412.50 |
| 53,800 | 15,420 | +960 | 1359.90 | 83,670 | +7,590 | 444.60 |
| 53,900 | 16,950 | +690 | 1298.95 | 57,570 | -9,030 | 473.75 |
| 54,000 | 2,08,920 | +15,330 | 1229.45 | 6,55,020 | -46,080 | 503.60 |
| 54,100 | 20,130 | +780 | 1169.20 | 44,100 | -3,090 | 541.20 |
| 54,200 | 62,790 | -510 | 1102.15 | 1,21,890 | +2,190 | 570.15 |
| 54,300 | 39,180 | +1,170 | 1038.90 | 63,930 | -8,310 | 609.00 |
| 54,400 | 44,460 | +1,620 | 976.15 | 76,860 | -2,820 | 649.00 |
| 54,500 | 3,16,650 | +63,270 | 916.85 | 3,83,850 | -88,710 | 689.20 |
| 54,600 | 89,190 | +41,730 | 860.25 | 1,20,900 | +28,710 | 734.55 |
| 54,700 | 1,49,070 | +86,580 | 806.75 | 1,60,800 | +13,710 | 771.85 |
| 54,800 | 1,85,040 | +81,030 | 753.20 | 1,39,260 | -15,210 | 828.30 |
| 54,900 | 1,68,240 | +57,390 | 703.65 | 1,19,670 | -1,380 | 876.55 |
| 55,000 | 11,68,680 | +3,20,280 | 654.70 | 10,64,850 | -9,630 | 926.90 |
| 55,100 | 1,11,360 | -31,680 | 610.70 | 1,03,890 | -27,090 | 978.90 |
| 55,200 | 1,68,300 | -17,610 | 567.70 | 1,25,130 | -88,050 | 1034.05 |
| 55,300 | 1,52,820 | -7,800 | 527.80 | 98,250 | -58,320 | 1089.85 |
| 55,400 | 96,120 | +30,030 | 490.50 | 59,790 | -960 | 1151.65 |
| 55,500 | 6,61,560 | +33,900 | 449.80 | 4,55,790 | -37,740 | 1212.20 |
| 55,600 | 1,14,630 | +15,900 | 416.00 | 29,340 | -1,320 | 1281.25 |
| 55,700 | 1,48,620 | +3,690 | 382.10 | 37,920 | -2,400 | 1353.75 |
| 55,800 | 1,89,630 | +2,940 | 350.15 | 74,160 | -24,600 | 1409.70 |
| 55,900 | 1,13,670 | +15,960 | 320.15 | 38,130 | -1,320 | 1479.15 |
| 56,000 | 12,43,260 | +87,870 | 294.30 | 6,47,940 | -52,890 | 1551.85 |
| 56,100 | 53,070 | +7,140 | 269.65 | 11,280 | -360 | 1640.00 |
| 56,200 | 97,560 | +1,260 | 245.70 | 17,970 | -600 | 1702.85 |
| 56,300 | 67,410 | -17,190 | 226.85 | 17,700 | -150 | 1780.45 |
| 56,400 | 91,290 | -5,190 | 202.65 | 82,350 | +3,990 | 1854.55 |
| 56,500 | 8,40,780 | +49,890 | 184.65 | 3,58,920 | -13,290 | 1951.75 |
| 56,600 | 1,05,060 | +6,060 | 167.75 | 17,850 | -300 | 2047.10 |
| 56,700 | 1,63,980 | +18,300 | 152.45 | 9,600 | -90 | 2196.89 |
| 56,800 | 2,06,790 | +29,790 | 138.50 | 11,130 | -120 | 2281.14 |
| 56,900 | 69,210 | +3,210 | 125.25 | 14,730 | -240 | 2280.30 |
| 57,000 | 11,33,220 | +16,260 | 112.65 | 3,99,090 | -5,550 | 2381.20 |
| 57,100 | 89,550 | -3,540 | 103.80 | 18,120 | -150 | 2401.45 |
| 57,200 | 88,020 | -34,080 | 93.55 | 9,930 | -1,470 | 2574.15 |
OI by strike (all open expiries combined)
| Strike | Call OI | Call OI change | Put OI | Put OI change |
|---|---|---|---|---|
| 51,800 | 30 | 0 | 24,300 | -2,040 |
| 51,900 | 30 | 0 | 13,680 | -1,860 |
| 52,000 | 41,700 | +1,950 | 8,09,310 | +69,030 |
| 52,100 | 60 | 0 | 40,350 | +390 |
| 52,200 | 30 | 0 | 55,350 | +27,060 |
| 52,300 | 720 | 0 | 27,240 | +570 |
| 52,400 | 30 | 0 | 35,970 | +3,270 |
| 52,500 | 2,280 | +60 | 4,36,050 | -4,320 |
| 52,600 | 0 | 0 | 75,150 | +7,470 |
| 52,700 | 1,140 | 0 | 33,660 | +1,110 |
| 52,800 | 390 | +90 | 75,120 | +8,820 |
| 52,900 | 360 | +90 | 24,840 | -2,970 |
| 53,000 | 76,410 | +990 | 6,22,200 | -4,980 |
| 53,100 | 960 | +30 | 22,410 | -1,260 |
| 53,200 | 2,310 | +150 | 54,900 | -17,400 |
| 53,300 | 2,400 | -60 | 44,760 | +15,810 |
| 53,400 | 3,120 | +300 | 60,600 | +17,640 |
| 53,500 | 43,590 | -4,560 | 3,77,340 | -12,900 |
| 53,600 | 7,620 | 0 | 56,820 | +4,170 |
| 53,700 | 19,440 | -1,710 | 61,950 | +10,950 |
| 53,800 | 16,110 | +960 | 84,990 | +7,800 |
| 53,900 | 17,760 | +690 | 59,220 | -8,910 |
| 54,000 | 2,66,790 | +24,330 | 8,42,880 | -34,590 |
| 54,100 | 21,300 | +780 | 46,650 | -2,940 |
| 54,200 | 63,360 | -480 | 1,24,290 | +2,340 |
| 54,300 | 42,720 | +1,080 | 68,970 | -7,230 |
| 54,400 | 56,940 | +13,020 | 92,550 | +9,300 |
| 54,500 | 3,36,960 | +67,800 | 4,51,890 | -84,120 |
| 54,600 | 90,150 | +41,760 | 1,23,000 | +28,620 |
| 54,700 | 1,51,560 | +86,880 | 1,63,170 | +13,290 |
| 54,800 | 1,89,090 | +82,590 | 1,42,800 | -14,610 |
| 54,900 | 1,71,210 | +57,390 | 1,22,730 | -2,040 |
| 55,000 | 12,82,950 | +3,41,370 | 12,16,050 | +7,440 |
| 55,100 | 1,16,670 | -31,830 | 1,07,310 | -27,300 |
| 55,200 | 1,72,470 | -17,640 | 1,30,590 | -87,660 |
| 55,300 | 1,56,810 | -7,110 | 1,01,490 | -57,930 |
| 55,400 | 99,630 | +30,210 | 63,840 | -840 |
| 55,500 | 7,41,030 | +38,670 | 5,40,120 | -38,100 |
| 55,600 | 1,19,070 | +15,570 | 32,430 | -1,110 |
| 55,700 | 1,52,640 | +4,440 | 40,980 | -2,160 |
| 55,800 | 1,96,320 | +3,870 | 77,910 | -24,630 |
| 55,900 | 1,20,990 | +16,890 | 44,100 | -1,230 |
| 56,000 | 14,07,450 | +95,220 | 7,32,870 | -50,460 |
| 56,100 | 60,720 | +8,190 | 15,960 | -330 |
| 56,200 | 1,08,780 | +2,250 | 22,050 | -630 |
| 56,300 | 75,900 | -16,050 | 20,820 | -150 |
| 56,400 | 1,01,640 | -3,930 | 87,720 | +4,110 |
| 56,500 | 9,14,490 | +51,990 | 4,20,570 | -5,130 |
| 56,600 | 1,16,340 | +7,830 | 18,300 | -210 |
| 56,700 | 1,77,030 | +19,080 | 11,400 | -90 |
| 56,800 | 2,23,470 | +31,230 | 11,640 | -60 |
| 56,900 | 89,700 | +5,610 | 15,480 | -180 |
| 57,000 | 24,11,940 | +19,920 | 11,07,600 | -4,650 |
| 57,100 | 1,15,500 | -2,850 | 19,230 | -150 |
| 57,200 | 1,06,950 | -35,190 | 10,500 | -1,440 |
Bank Nifty PCR · Bank Nifty levels and GEX · Max pain for the next session · F&O OI change