Canadian Solar - Common Shares (CSIQ) options traded 1,653 contracts on October 21, 2026 (1,123 calls and 530 puts, a put/call ratio of 0.47), compared with a 30-day average of 2,949. Options price a move of about ±3.7% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 78.8%
Implied move by the nearest expiration: ±3.7%
Option volume: 1,653 contracts (1,123 calls, 530 puts); 30-day average 2,949

Data as of October 21, 2026.

CSIQ Option Breakdown

A breakdown of key statistics for each option expiration listed for CSIQ. 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.

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