greeksoup/ stock research

Core Natural Resources, Inc. options tape

These figures are updated after the US market closes, every trading day. For the live chain, go to CBOE's own page for CNR.

Updated after the US market close on 9 October 2026, with Core Natural Resources, Inc. at $88.46: open interest within 90 days was 10,724 call and 9,068 put contracts, a put/call ratio of 0.85; the day's volume was 38 calls and 5 puts (0.13). The most call open interest sits at the $95.00 strike (2,022 contracts) and the most put open interest at $90.00 (2,857). The at-the-money straddle for 16 October 2026, 4 days out, was priced at 4.7% of spot. For 20 November 2026, implied volatility was 45.8% at the put 5% below spot and 43.2% at the call 5% above, +2.6 points.

Spot$88.46-0.10% on the day
Put/call, open interest0.859,068 puts, 10,724 calls
Put/call, volume0.135 puts, 38 calls
Priced move4.7%straddle to 16 October 2026, 4 days
30-day implied volatility42.5%
Put minus call IV, 5% out+2.6 ptsto 20 November 2026

Where the open interest sits

SideStrikeOpen interest
Calls$95.002,022
Puts$90.002,857

The strike with the most open interest on each side, across expiries within 90 days.

Source

Official exchange quotes, updated after each US market close. Figures describe positioning; they are not a forecast.

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