Finostat
FII/DIICALENDARBRIEFTERMINAL

PETRONET option chain

Open interest, change in OI, volume, implied volatility and last price for every strike of the nearest expiry, with the put-call ratio, max pain and the OI walls. Free, from NSE's public data, refreshed every few minutes during market hours.

NIFTY 50BANKNIFTYFINNIFTYALL F&O STOCKS · LOT SIZES

UPDATED 27 Oct 2026, 09:20 IST · NSE TIMESTAMP 27-Oct-2026 09:19:41 · OI IN CONTRACTS

spot290.45
expiry27-Oct-2026
PCR (OI)0.67
max pain290
call wall310
put wall280
call OI · Δ today2.2k · 0
put OI · Δ today1.4k · -2
ATM IV25.1%
lot size1900
CALL OIΔOIVOLIVCE LTPSTRIKEPE LTPIVVOLΔOIPUT OI
000—0.002500.0042.8005
000—0.002550.00—000
000—0.002580.00—000
000—0.002600.0094.10011
000—0.002620.0031.7001
000—0.002650.0080.10019
000—0.002680.0080.9003
500—0.002700.0078.500146
000—0.002720.0065.70013
500—0.002750.0058.000113
000—0.002780.0062.80010
580064.90.002800.4557.99-2578
130085.10.002820.0044.20035
610048.10.002850.0034.40058
50041.60.002880.0025.30037
2460125.11.902900.0017.800126
750037.10.002920.00—0058
2830540.50.902950.0019.900100
370034.50.002980.00—0025
3230141.60.303000.00—0097
150070.80.003020.0028.4001
3080048.50.003050.00—000
330079.30.003080.00—000
3900457.00.053100.0024.90010
150077.50.003120.00—000
1110089.20.003150.00—000
90036.00.003180.00—000
690079.40.003200.00—002
50033.40.003220.00—000
410041.90.003250.00—000
4800101.30.003300.00—000

Greeks, 2nd & 3rd order, implied distribution and the implied move on the terminal → FII/DII today Expiry dates

How to read it

Calls on the left, puts on the right, strikes down the middle with the at-the-money row highlighted. Bars behind the OI columns scale to the largest position on the chain; the gold-outlined cells are the walls. ΔOI is the change since the previous close: rising call OI above spot is writing (resistance), rising put OI below spot is support, and OI falling on both sides into expiry is unwinding.

PCR, max pain and the walls

PCR above 1 says more puts than calls are outstanding, usually hedges, which can act as support; far below 1 says call-heavy. Max pain is where option sellers as a group collect the most, and expiry-day drifts toward it are common but not guaranteed. The walls are the largest OI strikes above and below spot; the space between them is the range the market is being defended in.

Live Greeks and the implied move

This page is NSE's delayed public data. The Finostat terminal prices the same chain live off the exchange feed with delta, gamma, theta, vega, vanna, charm, vomma, speed, zomma and more on every strike, plus the implied distribution and the straddle-implied move.

Source: NSE option chain (public, delayed). Finostat reformats and computes PCR, max pain and walls; it does not alter the figures. Not investment advice.