Note: All prices and reports are based on end of the day (EOD) data.

Option Chain Analysis

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GAIL 185.23 -0.06 *Data as on 2025-07-18
GAIL (India) Option chain analysis for expiry 31-Jul-2025. Strike prices without any Open Interest are ommited in below table. This is an end of the day report and not the live market data. Visit the offical NSE option chain page to see the live data.
Calls Puts
Builtup Call Price Call OI Strike Puts OI Put Price Builtup PCR
- - - 150 3 0.05 - -
- - - 155 58 0.05 - -
- 25.7 -0.15 15 160 187 +2 0.15 - 12.47
- 23.3 -0.15 1 162.5 - - - -
Long Covering 19.8 -1.3 33 -1 165 240 -14 0.2 - 7.27
- 18.65 -0.15 16 167.5 65 0.25 -0.4 - 4.06
Long Covering 14.95 -0.8 142 -5 170 567 -7 0.3 -0.05 Long Covering 3.99
Writing 12.6 -1.9 61 +2 172.5 138 +6 0.45 -0.05 Writing 2.26
Long Covering 10.5 -0.95 144 -14 175 598 +3 0.75 -0.1 Writing 4.15
Writing 8.5 -0.8 39 +2 177.5 198 +2 1.2 -0.1 Writing 5.08
Long Covering 6.6 -0.75 412 -8 180 816 -5 1.8 -0.1 Long Covering 1.98
Long Covering 4.95 -0.8 160 -3 182.5 246 -5 2.75 +0.05 Short Covering 1.54
Long Covering 3.6 -0.75 1509 -52 185 1125 -7 3.85 - 0.75
Long Covering 2.6 -0.65 559 -4 187.5 367 -26 5.3 +0.1 Short Covering 0.66
Long Covering 1.8 -0.65 3076 -447 190 1015 -1 7 +0.1 Short Covering 0.33
Writing 1.3 -0.5 582 +58 192.5 171 -3 9.05 -0.85 Long Covering 0.29
Writing 0.9 -0.4 1675 +23 195 445 11.1 +0.45 - 0.27
Long Covering 0.6 -0.3 338 -19 197.5 96 +7 13.3 +0.5 Buying 0.28
Writing 0.45 -0.2 2655 +9 200 794 -3 15.65 +0.5 Short Covering 0.3
Writing 0.35 -0.1 209 +21 202.5 68 +4 18 +0.2 Buying 0.33
Writing 0.25 -0.15 886 +13 205 650 -1 20.5 +0.5 Short Covering 0.73
Short Covering 0.5 +0.2 103 -9 207.5 37 22.3 - 0.36
Long Covering 0.2 -0.05 855 -103 210 103 24.65 - 0.12
- 0.25 -0.05 46 212.5 34 27.05 +0.05 - 0.74
Short Covering 0.15 +0.05 219 -15 215 76 29.5 +0.05 - 0.35
- 0.1 662 -48 220 47 34.4 +0.1 - 0.07
- 0.05 95 -2 225 45 -2 39.35 +0.1 Short Covering 0.47
14492 Total 8189 0.57

Option chain displays all the contracts of a given derivative in a single table. This is incredibly valuable for "Options Trading" since it displays where the rest of the market players find support and resistance. This table could be used by both the "Option Writer" and the "Option Buyer" to increase their trading odds.

Check the list of all F&O stocks.

How to read the above option chain table?

Data we are showing in above table is not the live data but is end of the day data. It displayes Open Interest along with the increase or decrease in OI from the previous trading day. Price column shows the settlement price of the options. PCR column has the value of Put Call Ratio. And builtup show an estimated idea according to activity based on the below table as suggested by many market experts. Still we want to remind you that these are just ideas and not any type of guarantee of the momentum.


Calls:

  1. OI increasing & Option Price Increasing = Call Buying (Bullish trend trend)
  2. OI increasing & Option Price Decreasing = Call Writing (Bearish trend)
  3. OI Decreasing & Option Price Increasing = Call Short Covering (Bullish trend)
  4. OI Decreasing & Option Price Decreasing = Call Long Covering (Bearish trend)

Puts:

  1. OI increasing & Option Price Increasing = Put Buying (Bearish trend)
  2. OI increasing & Option Price Decreasing = Put Writing (Bullish trend)
  3. OI Decreasing & Option Price Increasing = Put Short Covering (Bearish trend)
  4. OI Decreasing & Option Price Decreasing = Put Long Covering (Bullish trend)
Disclaimer :

All prices or any other data provided here is based on previous day's closing price.

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