Core Natural Resources (CNR) options traded 1,153 contracts on October 21, 2026 (1,080 calls and 73 puts, a put/call ratio of 0.07), compared with a 30-day average of 713. Options price a move of about ±2.8% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 42.5%
Implied move by the nearest expiration: ±2.8%
Option volume: 1,153 contracts (1,080 calls, 73 puts); 30-day average 713

Data as of October 21, 2026.

CNR Option Breakdown

A breakdown of key statistics for each option expiration listed for CNR. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.

▲ Close