
NATIONALUM Option Chain
As of 23 Oct 2026, 15:38 IST (15-minute delay), the NATIONALUM option chain for the 27-Oct-2026 expiry has a put-call ratio (PCR) of 0.74 by open interest. The highest call open interest is at the 350 strike (resistance) and the highest put open interest is at the 310 strike (support). Max pain is 330, with NATIONALUM spot at 301.75 (-9.15).
- Spot
- 301.75
- Future
- 300.7
- PCR
- 0.74
- Max Pain
- 330
- Resistance
- 350
- Support
- 310
What is the NATIONALUM PCR today?
The NATIONALUM put-call ratio by open interest is 0.74, with total put OI of 1.65Cr against call OI of 2.22Cr. AOC shows a PCR above 1.2 in green, below 0.8 in red, and neutral in between.
What are the NATIONALUM support and resistance levels?
By open interest, resistance is at 350, 330, 360 (highest call OI) and support is at 310, 330, 350 (highest put OI). AOC's computed resistance and support are 310 and 295; expiry resistance and support are 347 and 347.
What is the NATIONALUM max pain?
NATIONALUM max pain for the 27-Oct-2026 expiry is 330: the strike at which open calls and puts would expire with the lowest total value, so option writers would pay out the least.
How has NATIONALUM open interest changed today?
Call open interest changed by -11.18L and put open interest by -11.91L, for a total call OI of 2.22Cr and put OI of 1.65Cr.