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Granite Ridge Resources GRNT

US equityMarket cap rank #3618Oil & Gas E&P
$4.59 −$0.02 (-0.43%)
Pre-market · Oct 8, 8:10 am ET · After hours $4.56 -0.65%
Open$4.64
Prev close$4.61
Day range$4.55 – $4.68
Volume958.5K
Market cap$605.42M
P/E (TTM)–
Dividend yield9.59%

Average implied volatility across the listed chain right now: 119%. 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

2.505.007.5010CallsPuts

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

-16%49%114%179%2.505.0010CallsPuts

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 $5.00 $0.02 $0.00/$0.05 0 474 47%
16 Oct 2026 $2.50 $2.15 $1.75/$2.40 33 33 0%
16 Oct 2026 $7.50 $0.00 $0.00/$0.05 0 1,006 119%
16 Oct 2026 $10.00 $0.00 $0.00/$0.65 0 11 148%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $5.00 $0.47 $0.10/$0.60 19 105 0%
16 Oct 2026 $2.50 $0.00 $0.00/$0.55 0 10 163%
16 Oct 2026 $7.50 $2.89 $2.30/$3.50 0 2 0%
16 Oct 2026 $10.00 $5.39 $4.80/$6.00 0 1 0%

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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