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Krystal Biotech KRYS

US equityMarket cap rank #1468
$334.85 +$12.57 (+3.90%)
Market closed · Oct 5, 8:10 pm ET · Last extended-hours $331.94 -0.87%
Open$323.76
Prev close$322.28
Day range$321.37 – $339.69
Volume337.0K
Market cap$9.91B
P/E (TTM)42.0
Dividend yield–

Average implied volatility across the listed chain right now: 57%. 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.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $330.00 $5.60 $10.90/$13.60 1 3 41%
16 Oct 2026 $340.00 $8.69 $6.10/$8.80 2 8 41%
16 Oct 2026 $320.00 $10.44 $17.20/$20.40 0 108 41%
16 Oct 2026 $350.00 $2.54 $1.80/$5.70 0 528 40%
16 Oct 2026 $310.00 $16.56 $25.70/$28.60 0 0 44%
16 Oct 2026 $360.00 $1.67 $0.05/$4.40 0 161 42%
16 Oct 2026 $300.00 $24.65 $34.70/$37.80 0 7 47%
16 Oct 2026 $370.00 $1.53 $0.00/$3.90 0 12 47%
16 Oct 2026 $290.00 $34.22 $44.30/$47.30 0 0 52%
16 Oct 2026 $380.00 $1.38 $0.00/$3.60 0 23 54%
16 Oct 2026 $280.00 $43.81 $53.60/$57.10 0 0 50%
16 Oct 2026 $390.00 $0.32 $0.00/$0.65 14 101 46%
16 Oct 2026 $270.00 $53.47 $63.40/$67.30 0 0 59%
16 Oct 2026 $400.00 $0.25 $0.05/$3.50 2 94 74%
16 Oct 2026 $260.00 $63.18 $73.50/$77.00 0 0 62%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $330.00 $6.40 $4.30/$7.30 1 10 36%
16 Oct 2026 $340.00 $11.80 $9.80/$12.10 2 174 36%
16 Oct 2026 $320.00 $6.25 $1.00/$4.00 3 210 35%
16 Oct 2026 $350.00 $30.26 $16.40/$20.00 0 7 38%
16 Oct 2026 $310.00 $4.33 $0.00/$4.20 0 13 60%
16 Oct 2026 $360.00 $39.38 $24.70/$28.00 0 0 38%
16 Oct 2026 $300.00 $2.15 $0.00/$3.80 3 13 58%
16 Oct 2026 $370.00 $49.22 $33.80/$37.00 0 7 36%
16 Oct 2026 $290.00 $2.00 $0.00/$3.10 0 11 69%
16 Oct 2026 $380.00 $59.07 $43.40/$46.50 0 0 0%
16 Oct 2026 $280.00 $1.60 $0.00/$3.50 0 0 76%
16 Oct 2026 $390.00 $68.92 $52.50/$57.10 0 0 0%
16 Oct 2026 $270.00 $1.26 $0.00/$3.40 0 0 83%
16 Oct 2026 $400.00 $78.78 $63.40/$66.30 0 0 0%
16 Oct 2026 $260.00 $0.98 $0.00/$3.40 0 0 90%

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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