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Hallador Energy HNRG

US equityMarket cap rank #3574Utilities - Independent Power Producers
$13.65 −$1.16 (-7.83%)
Pre-market · Oct 8, 8:20 am ET · After hours $13.81 +1.17%
Open$14.45
Prev close$14.81
Day range$13.38 – $14.59
Volume1.30M
Market cap$643.51M
P/E (TTM)682.5
Dividend yield–

Average implied volatility across the listed chain right now: 147%. 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

8.00101214161820222430CallsPuts

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

-25%74%173%272%8.001730CallsPuts

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 $14.00 $1.27 $0.00/$1.30 0 15 171%
16 Oct 2026 $13.00 $0.90 $0.55/$1.45 40 10 76%
16 Oct 2026 $15.00 $0.15 $0.15/$0.25 3,401 6,919 77%
16 Oct 2026 $12.00 $3.08 $1.20/$3.00 0 0 138%
16 Oct 2026 $16.00 $0.05 $0.00/$0.45 5 18 71%
16 Oct 2026 $11.00 $4.02 $2.20/$4.00 0 1 187%
16 Oct 2026 $17.00 $0.20 $0.00/$0.55 0 70 130%
16 Oct 2026 $10.00 $4.97 $3.20/$5.10 0 0 247%
16 Oct 2026 $18.00 $0.15 $0.00/$1.20 0 70 140%
16 Oct 2026 $9.00 $5.93 $3.40/$6.10 0 1 184%
16 Oct 2026 $19.00 $0.11 $0.00/$1.20 0 102 148%
16 Oct 2026 $8.00 $6.91 $4.40/$7.10 0 0 227%
16 Oct 2026 $20.00 $0.09 $0.00/$0.05 0 87 156%
16 Oct 2026 $21.00 $0.07 $0.00/$1.95 0 0 164%
16 Oct 2026 $22.00 $0.06 $0.00/$0.40 0 0 170%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $14.00 $0.40 $0.00/$1.40 0 36 22%
16 Oct 2026 $13.00 $0.30 $0.00/$0.50 0 4 71%
16 Oct 2026 $15.00 $0.64 $0.85/$1.95 0 703 51%
16 Oct 2026 $12.00 $0.22 $0.00/$1.20 0 0 101%
16 Oct 2026 $16.00 $1.42 $1.70/$2.85 0 40 0%
16 Oct 2026 $11.00 $0.16 $0.00/$0.95 0 0 127%
16 Oct 2026 $17.00 $2.34 $2.60/$3.80 0 0 0%
16 Oct 2026 $10.00 $0.11 $0.00/$1.20 0 0 151%
16 Oct 2026 $18.00 $3.30 $3.50/$5.10 0 0 0%
16 Oct 2026 $9.00 $0.07 $0.00/$1.20 0 0 174%
16 Oct 2026 $19.00 $5.50 $5.20/$5.80 2 3 162%
16 Oct 2026 $8.00 $0.05 $0.00/$1.95 0 0 197%
16 Oct 2026 $20.00 $5.24 $5.00/$7.60 0 0 0%
16 Oct 2026 $21.00 $6.23 $6.90/$7.90 0 1 161%
16 Oct 2026 $22.00 $7.21 $7.80/$8.80 0 0 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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