TBTflow / F&O data / Options / OFSS options
OFSS options · NSE · end of day

OFSS option chain today, 23 Oct 2026: max pain 10,400, PCR 0.87, call wall 11,000, put wall 9,000

As of Friday 23 October 2026, from the exchange's official end-of-day F&O file.

Next OFSS expiry: Tuesday 27 October 2026; the one after: Monday 23 November 2026. From the exchange's F&O contract list.

OFSS closed at 9,676.80. For the 27 October 2026 expiry the biggest call open interest is at 11,000 and the biggest put open interest at 9,000; put-call ratio 0.87, max pain 10,400.

Biggest call OI
11,000
1.1 L
Biggest put OI
9,000
78.8K
PCR (open interest)
0.87
puts ÷ calls, whole chain
Max pain
10,400
close 9,676.80
OFSS open interest by strike, expiry 27 OctAs of 23 October 2026
Puts (left)Calls (right)Thin mark = previous day's open interest
29 strikes around the at-the-money strike (9,700, the strike nearest the close). The line across marks the underlying close, 9,676.80. The biggest put and call bars shown carry their value. Tap or hover a strike to read it.

The at-the-money straddle (9,700 call + put) settled at 461.40: on 23 October 2026 the options were priced for a move of about ±₹461.40 (±4.77 %) by the 27 October 2026 expiry. That is what the options cost, not a forecast.

Settle prices around the money

Settle price = the exchange's official end-of-day price of each option. OI = open interest, the number of option units still open; change = since the previous day.

Call settle
OI · change
StrikePut settle
OI · change
449.08
OI 0 · 0
9,250101.85
OI 5.3K · −1.5K
—
OI — · —
9,300110.75
OI 7.6K · −2.3K
—
OI — · —
9,400136.85
OI 12.9K · −3.1K
313.50
OI 10.0K · +9.0K
9,500169.05
OI 57.3K · +29.7K
—
OI — · —
9,600209.80
OI 34.8K · +13.8K
209.70
OI 23.0K · +18.3K
9,700
at the money
251.70
OI 23.5K · −3.0K
180.30
OI 11.0K · −4.1K
9,750281.50
OI 10.1K · −2.0K
—
OI — · —
9,800306.90
OI 14.5K · −10.7K
—
OI — · —
9,900375.80
OI 13.6K · −12.1K
98.20
OI 56.7K · +32.0K
10,000440.65
OI 35.2K · −44.5K
76.60
OI 17.5K · +8.6K
10,100526.35
OI 6.7K · −5.6K

Biggest open interest added

  • 9,000 put: +46.0K
  • 10,000 call: +32.0K
  • 9,500 put: +29.7K
  • 10,500 call: +21.4K
  • 8,000 put: +20.3K

Biggest open interest cut

  • 10,000 put: −44.5K
  • 11,500 call: −21.8K
  • 12,000 call: −13.4K
  • 11,000 put: −13.3K
  • 10,250 call: −13.2K
Biggest call OI
11,000
43.1K
Biggest put OI
9,500
25.1K
PCR (open interest)
0.76
puts ÷ calls, whole chain
Max pain
10,000
close 9,676.80
OFSS open interest by strike, expiry 23 NovAs of 23 October 2026
Puts (left)Calls (right)Thin mark = previous day's open interest
18 strikes around the at-the-money strike (9,750, the strike nearest the close). The line across marks the underlying close, 9,676.80. The biggest put and call bars shown carry their value. Tap or hover a strike to read it.

The at-the-money straddle (9,750 call + put) settled at 904.50: on 23 October 2026 the options were priced for a move of about ±₹904.50 (±9.35 %) by the 23 November 2026 expiry. That is what the options cost, not a forecast.

Settle prices around the money

Settle price = the exchange's official end-of-day price of each option. OI = open interest, the number of option units still open; change = since the previous day.

Call settle
OI · change
StrikePut settle
OI · change
1,255.75
OI 0 · 0
8,500106.80
OI 12.2K · +7.9K
1,038.39
OI 0 · 0
8,75068.97
OI 0 · 0
838.11
OI 0 · 0
9,000217.80
OI 21.1K · +9.7K
658.94
OI 0 · 0
9,250187.07
OI 2.3K · 0
507.75
OI 9.7K · +7.4K
9,500401.85
OI 25.1K · +18.1K
374.25
OI 800 · +800
9,750
at the money
530.25
OI 3.2K · +1.0K
295.95
OI 19.9K · +8.9K
10,000680.35
OI 12.6K · +800
—
OI — · —
10,200676.83
OI 900 · −100
215.85
OI 3.4K · +100
10,250852.25
OI 1.2K · +900
162.50
OI 21.4K · +5.5K
10,5001,045.10
OI 5.8K · +500
115.05
OI 4.1K · +1.5K
10,7501,105.42
OI 3.5K · −200

Biggest open interest added

  • 9,500 put: +18.1K
  • 11,000 call: +10.6K
  • 9,000 put: +9.7K
  • 10,000 call: +8.9K
  • 8,500 put: +7.9K

Biggest open interest cut

  • 12,000 call: −1.2K
  • 10,750 put: −200
  • 10,200 put: −100

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The last sessions

OFSS: biggest call and put open-interest strikes vs the close, last 15 sessionsAs of 23 October 2026
Biggest call OI strikeCloseBiggest put OI strike
Each session's nearest expiry. The strikes with the most open interest are often called walls.
OFSS: max pain vs the close, last 15 sessionsAs of 23 October 2026
Max painClose
Max pain = the strike where option holders, all together, would collect the least at expiry.
OFSS: put-call ratio of open interest, last 15 sessionsAs of 23 October 2026
Put open interest ÷ call open interest, nearest expiry. The line at 1.0 = equal.

OFSS futures: open interest, rollover and build-up →

What this page cannot tell you. Open interest shows where positions are open, not who holds them or which side opened them. Walls and max pain often move as expiry nears.

Quick questions

Where is the biggest open interest in OFSS options today?
On 23 October 2026, for the 27 October 2026 expiry, the biggest call open interest was at 11,000 and the biggest put open interest at 9,000, with OFSS at 9,676.80.
What is the OFSS PCR and max pain today?
Put-call ratio of open interest 0.87; max pain 10,400 (expiry 27 October 2026, as of 23 October 2026).
What does the straddle price say?
The at-the-money straddle settled at 461.40, so the options were priced for a move of about ±4.77 % by expiry. It is the market price of the options, not a forecast.
OFSS option chain mein sabse zyada OI kahan hai?
23 October 2026 ko 11,000 par sabse zyada call OI aur 9,000 par sabse zyada put OI tha. Yeh exchange ki official day-end file se hai.

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