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

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

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

Nifty open interest, end of day 8 Oct 2026: close 22,231.8, largest call OI at 24,000 (the resistance read), largest put OI at 22,000 (the support read), call OI 37,18,16,855 (+10,86,74,140), put OI 27,01,12,555 (+3,69,46,885), put/call OI ratio 0.73.

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 |
| --- | --- |
| 22,500 CE | +1,29,31,555 |
| 22,400 CE | +1,14,42,405 |
| 22,300 CE | +76,22,420 |
| 21,000 PE | +71,48,050 |
| 23,000 CE | +68,09,270 |

## Biggest OI unwinds

| Strike | OI change |
| --- | --- |
| 22,600 PE | -38,16,800 |
| 22,500 PE | -21,20,365 |
| 22,550 PE | -13,80,210 |
| 22,700 PE | -12,52,940 |
| 22,800 PE | -9,70,970 |

## OI by expiry

| Expiry | Call OI | Put OI | PCR | Max pain |
| --- | --- | --- | --- | --- |
| 13 Oct 2026 | 22,63,22,980 | 13,94,07,450 | 0.62 | 22,400 |
| 19 Oct 2026 | 2,31,47,345 | 1,42,45,140 | 0.61 | 22,500 |
| 27 Oct 2026 | 7,65,31,000 | 7,10,90,305 | 0.93 | 23,000 |
| 3 Nov 2026 | 14,59,965 | 6,08,140 | 0.42 | 22,550 |
| 9 Nov 2026 | 85,995 | 20,020 | 0.23 | 22,500 |
| 23 Nov 2026 | 1,41,73,315 | 1,26,03,825 | 0.89 | 23,000 |

## OI by strike, nearest expiry 13 Oct 2026

Expiry Tue 13 Oct 2026 (5 days): call OI 22,63,22,980, put OI 13,94,07,450, PCR 0.62, max pain 22,400; largest call OI at 23,000, largest put OI at 21,000. 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 |
| --- | --- | --- | --- | --- | --- | --- |
| 21,150 | 0 | 0 | 1098.51 | 4,59,095 | +1,15,960 | 3.85 |
| 21,200 | 0 | 0 | 1048.59 | 43,31,015 | +23,43,185 | 4.20 |
| 21,250 | 0 | 0 | 998.69 | 6,38,170 | +3,04,655 | 4.55 |
| 21,300 | 2,795 | +2,730 | 952.00 | 26,69,940 | +11,84,820 | 5.00 |
| 21,350 | 65 | 0 | 899.05 | 7,12,205 | +3,75,635 | 5.55 |
| 21,400 | 2,470 | +2,210 | 860.65 | 32,15,745 | +9,07,595 | 6.20 |
| 21,450 | 325 | +195 | 799.81 | 7,99,565 | +2,33,675 | 7.35 |
| 21,500 | 78,715 | +41,990 | 751.25 | 96,47,820 | +25,41,500 | 8.55 |
| 21,550 | 4,550 | +4,420 | 705.65 | 14,33,965 | +9,15,980 | 9.95 |
| 21,600 | 12,610 | +10,985 | 660.45 | 38,39,355 | +18,40,280 | 11.60 |
| 21,650 | 2,665 | +1,235 | 609.50 | 25,43,840 | +18,34,820 | 13.85 |
| 21,700 | 20,085 | +16,185 | 563.75 | 49,65,675 | +10,42,340 | 17.15 |
| 21,750 | 12,090 | +11,895 | 524.20 | 16,29,550 | +6,43,435 | 20.50 |
| 21,800 | 90,610 | +67,600 | 470.20 | 67,51,355 | +26,07,605 | 25.05 |
| 21,850 | 19,240 | +18,135 | 430.10 | 21,45,325 | +12,09,650 | 30.55 |
| 21,900 | 87,295 | +65,975 | 383.80 | 38,88,885 | +9,71,685 | 37.90 |
| 21,950 | 53,170 | +51,935 | 341.40 | 17,10,735 | +3,59,970 | 46.10 |
| 22,000 | 10,49,815 | +7,11,555 | 302.65 | 1,03,68,670 | +32,72,555 | 56.95 |
| 22,050 | 1,35,200 | +1,14,075 | 267.45 | 14,24,735 | +77,805 | 68.25 |
| 22,100 | 6,66,770 | +5,54,060 | 231.05 | 39,25,285 | +7,82,795 | 83.10 |
| 22,150 | 4,41,545 | +4,06,380 | 199.00 | 20,73,630 | +7,62,385 | 98.60 |
| 22,200 | 32,64,950 | +29,12,325 | 167.15 | 64,11,860 | +3,42,875 | 118.75 |
| 22,250 | 32,66,185 | +31,83,115 | 138.40 | 22,33,725 | +8,81,920 | 141.10 |
| 22,300 | 65,90,090 | +63,07,470 | 114.00 | 54,36,080 | +14,82,520 | 165.60 |
| 22,350 | 31,85,325 | +30,77,685 | 92.80 | 11,79,425 | +37,115 | 193.25 |
| 22,400 | 1,06,79,825 | +98,66,870 | 74.20 | 29,57,955 | -8,81,985 | 226.45 |
| 22,450 | 38,16,020 | +36,11,985 | 59.95 | 11,78,970 | -6,175 | 259.95 |
| 22,500 | 1,25,19,715 | +1,00,91,380 | 47.55 | 29,37,155 | -19,92,510 | 298.30 |
| 22,550 | 47,50,070 | +33,95,535 | 38.00 | 7,61,085 | -13,03,380 | 338.80 |
| 22,600 | 1,05,94,415 | +39,08,320 | 30.20 | 27,11,540 | -35,39,055 | 379.00 |
| 22,650 | 55,01,730 | +24,32,560 | 24.15 | 7,17,405 | -8,14,840 | 423.05 |
| 22,700 | 1,25,21,535 | +39,12,480 | 18.95 | 28,67,930 | -10,35,385 | 468.65 |
| 22,750 | 54,11,835 | +16,95,135 | 15.30 | 4,24,515 | -2,85,675 | 516.65 |
| 22,800 | 1,04,53,820 | +9,96,450 | 12.35 | 11,28,400 | -5,48,795 | 564.35 |
| 22,850 | 46,61,800 | +17,09,695 | 9.95 | 1,77,645 | -51,220 | 610.65 |
| 22,900 | 72,74,540 | +28,66,305 | 8.40 | 6,61,375 | -1,68,805 | 660.60 |
| 22,950 | 32,19,970 | +13,87,490 | 7.15 | 2,66,890 | -21,840 | 703.40 |
| 23,000 | 1,40,33,630 | +44,02,385 | 6.20 | 9,47,050 | -4,05,275 | 761.50 |
| 23,050 | 23,66,780 | -2,39,785 | 5.30 | 74,100 | -4,810 | 809.90 |
| 23,100 | 61,63,495 | -71,630 | 4.45 | 3,29,485 | -11,180 | 851.40 |
| 23,150 | 24,58,170 | -7,74,475 | 3.90 | 34,190 | -1,560 | 898.80 |
| 23,200 | 99,61,250 | +25,79,460 | 3.50 | 2,61,560 | -26,325 | 951.10 |
| 23,250 | 30,04,820 | +6,04,760 | 3.20 | 1,84,925 | -27,885 | 1007.00 |
| 23,300 | 73,29,920 | +21,08,600 | 2.75 | 2,18,270 | -18,850 | 1049.40 |

## OI by strike (all open expiries combined)

| Strike | Call OI | Call OI change | Put OI | Put OI change |
| --- | --- | --- | --- | --- |
| 21,150 | 65 | 0 | 5,42,165 | +1,54,830 |
| 21,200 | 650 | +520 | 52,08,645 | +26,23,595 |
| 21,250 | 1,235 | +715 | 7,51,205 | +3,20,125 |
| 21,300 | 5,525 | +4,355 | 35,75,585 | +12,11,600 |
| 21,350 | 2,145 | +1,170 | 10,89,140 | +3,52,105 |
| 21,400 | 7,670 | +4,095 | 41,99,130 | +10,11,335 |
| 21,450 | 3,120 | +1,885 | 9,12,080 | +2,58,245 |
| 21,500 | 7,89,750 | +2,09,560 | 1,56,21,905 | +42,14,665 |
| 21,550 | 8,905 | +5,395 | 16,17,785 | +10,05,615 |
| 21,600 | 19,175 | +13,325 | 48,24,430 | +17,51,620 |
| 21,650 | 6,825 | +2,080 | 28,11,185 | +17,97,705 |
| 21,700 | 30,615 | +21,320 | 63,21,965 | +12,53,590 |
| 21,750 | 16,835 | +13,065 | 20,44,380 | +9,08,505 |
| 21,800 | 1,50,865 | +1,01,985 | 85,80,780 | +29,87,140 |
| 21,850 | 25,870 | +22,100 | 22,91,575 | +12,18,750 |
| 21,900 | 1,77,125 | +97,630 | 50,45,560 | +11,53,425 |
| 21,950 | 76,960 | +65,845 | 19,28,030 | +4,00,725 |
| 22,000 | 35,63,855 | +11,66,795 | 2,15,50,390 | +37,04,870 |
| 22,050 | 2,11,250 | +1,78,685 | 16,47,100 | +1,11,280 |
| 22,100 | 8,50,720 | +6,65,470 | 53,15,245 | +12,24,405 |
| 22,150 | 6,06,905 | +5,51,720 | 23,25,375 | +8,23,225 |
| 22,200 | 59,92,740 | +53,26,165 | 1,08,46,745 | +25,37,145 |
| 22,250 | 36,86,410 | +35,32,425 | 28,97,635 | +11,45,105 |
| 22,300 | 87,47,635 | +76,22,420 | 1,00,78,965 | +29,07,515 |
| 22,350 | 34,80,685 | +32,94,850 | 15,14,240 | +1,42,350 |
| 22,400 | 1,29,28,240 | +1,14,42,405 | 56,25,815 | -5,24,875 |
| 22,450 | 41,74,235 | +38,44,165 | 15,50,185 | -40,950 |
| 22,500 | 1,91,39,445 | +1,29,31,555 | 1,19,25,485 | -21,20,365 |
| 22,550 | 53,18,950 | +37,27,685 | 10,32,590 | -13,80,210 |
| 22,600 | 1,47,99,525 | +56,17,625 | 48,62,455 | -38,16,800 |
| 22,650 | 62,34,670 | +26,99,190 | 11,46,665 | -8,73,860 |
| 22,700 | 1,76,08,695 | +50,13,775 | 59,56,990 | -12,52,940 |
| 22,750 | 61,80,850 | +18,33,000 | 8,21,730 | -3,17,460 |
| 22,800 | 1,56,36,205 | +17,13,660 | 32,48,895 | -9,70,970 |
| 22,850 | 51,36,560 | +17,41,935 | 3,79,600 | -84,045 |
| 22,900 | 97,58,190 | +36,56,315 | 14,92,010 | -2,37,380 |
| 22,950 | 35,70,775 | +14,82,130 | 3,46,190 | -26,325 |
| 23,000 | 2,61,28,385 | +68,09,270 | 88,27,360 | -6,87,865 |
| 23,050 | 27,97,210 | -86,905 | 1,35,005 | -11,115 |
| 23,100 | 88,76,725 | +4,11,905 | 20,52,505 | +91,780 |
| 23,150 | 33,48,540 | -9,28,395 | 91,715 | -1,18,235 |
| 23,200 | 1,42,02,500 | +28,87,495 | 23,87,515 | -1,67,180 |
| 23,250 | 35,85,465 | +7,48,085 | 2,53,110 | -31,720 |
| 23,300 | 1,23,33,685 | +29,22,660 | 26,23,335 | -49,725 |

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