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IsoEnergy ISOU

US equityMarket cap rank #3587
$9.72 −$0.66 (-6.36%)
Market closed · Oct 8, 7:00 am ET · Last extended-hours $9.72 0.00%
Open$10.01
Prev close$10.38
Day range$9.54 – $10.20
Volume160.7K
Market cap$634.29M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 207%. 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

2.505.007.501013151820CallsPuts

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

1%197%394%590%2.501020CallsPuts

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

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $10.00 $0.84 $0.00/$1.85 0 27 163%
16 Oct 2026 $7.50 $2.90 $0.95/$3.70 0 0 141%
16 Oct 2026 $12.50 $0.05 $0.00/$1.55 10 45 108%
16 Oct 2026 $5.00 $5.39 $3.40/$6.20 0 0 282%
16 Oct 2026 $15.00 $0.01 $0.00/$0.20 0 0 118%
16 Oct 2026 $2.50 $7.88 $5.90/$8.70 0 0 541%
16 Oct 2026 $17.50 $0.00 $0.00/$1.55 0 2 114%
16 Oct 2026 $20.00 $0.00 $0.00/$1.55 0 0 131%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $10.00 $0.45 $0.00/$3.00 0 0 50%
16 Oct 2026 $7.50 $0.01 $0.00/$2.00 0 0 85%
16 Oct 2026 $12.50 $2.21 $1.40/$5.00 0 0 210%
16 Oct 2026 $5.00 $0.00 $0.00/$3.40 0 0 127%
16 Oct 2026 $15.00 $4.62 $3.80/$7.50 0 0 274%
16 Oct 2026 $2.50 $0.00 $0.00/$3.40 0 0 254%
16 Oct 2026 $17.50 $7.12 $6.30/$10.00 0 0 331%
16 Oct 2026 $20.00 $9.62 $8.80/$12.50 0 0 377%

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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