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Canadian Solar CSIQ

US equityMarket cap rank #3446SolarSolar Power
$11.17 −$0.08 (-0.71%)
Market open · Oct 8, 10:00 am ET · After hours $11.25 0.00%
Open$11.23
Prev close$11.25
Day range$11.14 – $11.32
Volume63.1K
Market cap$758.41M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 220%. Implied volatility measures how big a price swing the options market is pricing in — there is no fixed “normal” level, it varies a lot by stock.

Open interest by strike

5.008.5011131517192125CallsPuts

Nearest listed expiry only. Calls above the line, puts below — clusters mark strikes where the market has built up the most open positions.

Implied volatility by strike

-77%231%538%845%5.001525CallsPuts

The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
9 Oct 2026 $11.00 $0.66 $0.25/$0.50 0 311 82%
9 Oct 2026 $11.50 $0.12 $0.10/$0.20 8 415 91%
9 Oct 2026 $10.50 $1.08 $0.45/$0.90 0 13 0%
9 Oct 2026 $12.00 $0.10 $0.00/$0.10 10 423 124%
9 Oct 2026 $10.00 $1.55 $0.95/$1.35 0 1 0%
9 Oct 2026 $12.50 $0.08 $0.00/$0.20 0 385 152%
9 Oct 2026 $9.50 $1.63 $1.45/$2.25 2 4 240%
9 Oct 2026 $13.00 $0.05 $0.00/$0.15 0 348 167%
9 Oct 2026 $9.00 $2.18 $1.90/$2.80 3 22 294%
9 Oct 2026 $13.50 $0.03 $0.00/$0.20 0 207 181%
9 Oct 2026 $8.50 $2.62 $2.45/$3.00 29 35 0%
9 Oct 2026 $14.00 $0.02 $0.00/$0.35 0 45 193%
9 Oct 2026 $8.00 $3.05 $2.90/$3.50 27 31 0%
9 Oct 2026 $14.50 $0.01 $0.00/$0.35 0 10 204%
9 Oct 2026 $15.00 $0.01 $0.00/$0.05 0 14 214%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
9 Oct 2026 $11.00 $0.23 $0.05/$0.20 48 271 83%
9 Oct 2026 $11.50 $0.59 $0.25/$0.65 8 295 110%
9 Oct 2026 $10.50 $0.04 $0.00/$0.15 0 144 98%
9 Oct 2026 $12.00 $0.59 $0.60/$1.20 0 197 148%
9 Oct 2026 $10.00 $0.01 $0.00/$0.10 0 101 109%
9 Oct 2026 $12.50 $1.04 $0.80/$1.60 0 46 0%
9 Oct 2026 $9.50 $0.00 $0.00/$0.30 0 113 117%
9 Oct 2026 $13.00 $1.51 $1.50/$2.10 0 61 171%
9 Oct 2026 $9.00 $0.00 $0.00/$0.35 0 0 123%
9 Oct 2026 $13.50 $1.99 $2.00/$2.65 0 7 224%
9 Oct 2026 $8.50 $0.21 $0.00/$0.35 11 0 440%
9 Oct 2026 $14.00 $2.48 $2.30/$3.40 0 0 275%
9 Oct 2026 $8.00 $0.15 $0.00/$0.35 11 11 457%
9 Oct 2026 $14.50 $2.97 $2.80/$3.90 0 0 306%
9 Oct 2026 $15.00 $3.47 $3.30/$4.40 0 0 334%

Open interest = contracts currently outstanding (not yet closed out). Higher open interest generally means a strike/expiry is more actively traded and easier to get in and out of.

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