[--[65.84.65.76]--]
NATIONALUM
National Aluminium Co Ltd

208.24 1.12 (0.54%)

Option Chain for NATIONALUM
17 Aug 2025 12:55 AM IST

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Call
Put

Lot Size : 3750

Delta OI Change OI Vol IV Ltp Change OI pcr COI pcr Change Ltp IV Vol Change OI OI Delta
- 0 0 0 - 42.30 0.00 - 160 - 0.15 0.90 34.99 2 -2 1 -0.08
- 0 0 0 - 27.85 0.00 - 165 - 0.00 1.10 0.00 0 0 0 0.00
- 0 0 0 - 35.45 0.00 - 170 - 0.30 1.95 32.28 27 16 95 -0.16
- 0 0 0 - 21.50 0.00 - 175 - 0.00 9.65 6.41 0 0 0 -0.00
- 0 0 0 - 29.40 0.00 - 180 - 0.70 4.55 32.05 178 143 187 -0.31
0.63 0 2 2 21.22 8.00 -8.25 - 185 2.50 1.90 6.90 33.56 5 5 5 -0.40
0.50 184 35 54 23.62 6.00 -1.50 0.25 190 0.34 1.30 9.45 34.01 17 12 46 -0.49
0.38 11 0 1 23.44 3.95 -1.25 - 195 - 0.00 19.95 - 0 0 0 -
0.28 206 48 178 24.78 2.80 -1.10 0.16 200 0.21 2.50 16.05 36.02 11 10 33 -0.64
0.00 0 0 0 6.47 8.70 0.00 - 205 - 0.00 26.55 - 0 0 0 -
0.15 159 47 66 26.76 1.35 -0.55 0.10 210 0.13 3.30 25.10 43.64 6 6 16 -0.72
0.00 0 0 0 0.00 0.00 0.00 - 215 - 0.00 0.00 0.00 0 0 0 0.00
0.08 7 1 9 29.02 0.70 -0.30 - 220 - 0.00 35.50 - 0 0 0 -
0.00 0 0 0 0.00 0.00 0.00 - 225 - 0.00 0.00 0.00 0 0 0 0.00
0.04 27 3 25 29.83 0.30 -0.25 - 230 - 0.00 42.75 0.00 0 0 0 0.00
594 383
Note
  1. 10% interest rate is applied while computing implied volatility.
  2. Volume and Open Interest, displayed in Contracts.
  3.        Highlighted options are in-the-money.

What is an Option Chain?
  • An option chain, also known as an option matrix, is a listing of all available option contracts, both puts and calls, for a given security.
  • It shows all puts, calls, strike ltp, and pricing information for a single underlying asset within a given maturity period.

How is it Useful?
  • The option chain matrix is most useful for the next trading day.
  • Trading volume, or the number of contracts that change hands in a given day, indicates how much liquidity there might be for any given option.
  • Open interest measures the total number of options outstanding on each strike and maturity, allowing you to gauge the scale of market commitment.