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 Nov 12, 2026, CNI had 6 option expirations, from Nov 20, 2026 to Apr 16, 2027, and 195 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 21.8% (-4% on the day) and 17 contracts traded; the busiest was Jan 15, 2027, with 154.

For the latest figures, see CNI options overview.

Key numbers

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

Nov 20, 2026 (8 days): ATM IV 21.8% (-4%), volume 17
Dec 18, 2026 (36 days): ATM IV 19.8% (-6%), volume 9
Jan 15, 2027 (64 days): ATM IV 21.1% (+8%), volume 154
Feb 19, 2027 (99 days): ATM IV 20.0% (-4%), volume 14
Mar 19, 2027 (127 days): ATM IV 20.0% (+8%), volume 1
Apr 16, 2027 (155 days): ATM IV 19.2% (-1%), volume 0

Data as of November 12, 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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