NRG Energy, Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with NRG Energy, Inc. at $103.00: open interest within 90 days was 102,618 call and 17,319 put contracts, a put/call ratio of 0.17; the day's volume was 88,611 calls and 1,151 puts (0.01). The most call open interest sits at the $170.00 strike (29,868 contracts) and the most put open interest at $55.00 (2,541). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 3.8% of spot. For 16 October 2026, implied volatility was 45.4% at the put 5% below spot and 48.2% at the call 5% above, -2.9 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $170.00 | 29,868 |
| Puts | $55.00 | 2,541 |
The strike with the most open interest on each side, across expiries within 90 days.
Strikes where the day's volume was at least twice the open interest
| Contract | Volume | Open interest before | Premium traded |
|---|---|---|---|
| 18 December 2026 call at $125.00 | 10,075 | 792 | $3.3 million |
| 20 November 2026 call at $120.00 | 10,224 | 162 | $3.2 million |
Volume of at least 200 contracts and at least twice the open interest, with at least $25,000 of premium at the mid; contracts expiring the same day are left out. Premium is mid price times volume times 100.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 25 September 2026 call at $113.00 | 1,543 | +1,512 |
| 18 December 2026 put at $90.00 | 1,233 | +850 |
| 18 December 2026 call at $110.00 | 664 | +556 |
| 18 December 2026 call at $130.00 | 696 | +478 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for NRG, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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