Option chain for Canadian National Railway Company (CNI): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Oct 22, 2026, CNI had 6 option expirations, from Nov 20, 2026 to Apr 16, 2027, and 413 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 23.4% (+15% on the day) and 132 contracts traded.

For the latest figures, see CNI options overview.

Key numbers

Expirations: at-the-money implied volatility, change on the day, volume

Nov 20, 2026 (29 days): ATM IV 23.4% (+15%), volume 132
Dec 18, 2026 (57 days): ATM IV 20.7% (-0%), volume 34
Jan 15, 2027 (85 days): ATM IV 22.1% (+2%), volume 97
Feb 19, 2027 (120 days): ATM IV 23.2% (+2%), volume 31
Mar 19, 2027 (148 days): ATM IV 21.3% (-1%), volume 85
Apr 16, 2027 (176 days): ATM IV 21.5% (+3%), volume 34

Data as of October 22, 2026.

CNI Option Chain

Detailed and comprehensive option chain for each expiration listed for CNI. Includes volume, open interest, implied volatility, and bid/ask for each strike. Investigate further by clicking on a strike and seeing trade activity, volatility movement, and yesterday's closing values. Use the built-in options profit calculator to see the profit or loss of any CNI options strategy.

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