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

Canonical: https://squawkflow.com/india/bank-nifty/oi

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.

The largest call OI strike is the usual resistance read and the largest put OI strike the usual support read. They describe where open interest sits, not where the index will go.

For the session of 9 Oct 2026. OI is in units (shares or index units), from the exchange's end-of-day file. Strike table: all open expiries combined, within 5% of the close.

## 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 |
| --- | --- | --- | --- | --- |
| 27 Oct 2026 | 1,51,06,350 | 1,30,79,700 | 0.87 | 55,500 |
| 23 Nov 2026 | 27,02,460 | 16,68,570 | 0.62 | 57,000 |
| 29 Dec 2026 | 4,18,350 | 6,01,080 | 1.44 | 57,000 |
| 30 Mar 2027 | 28,260 | 12,360 | 0.44 | 57,000 |
| 29 Jun 2027 | 330 | 90 | 0.27 | 57,000 |
| 28 Sep 2027 | 0 | 120 | n/a | no open interest yet |

## OI by strike, nearest expiry 27 Oct 2026

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 |

More: [Bank Nifty PCR](https://squawkflow.com/india/bank-nifty/pcr), [Bank Nifty levels](https://squawkflow.com/india/bank-nifty), [max pain](https://squawkflow.com/india/max-pain).