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NOV Inc NOV

US equityMarket cap rank #1780
$19.51 +$0.71 (+3.78%)
Market closed · Oct 5, 8:20 pm ET · Last extended-hours $19.51 0.00%
Open$18.83
Prev close$18.80
Day range$18.79 – $19.76
Volume4.45M
Market cap$6.95B
P/E (TTM)72.3
Dividend yield2.15%

Average implied volatility across the listed chain right now: 67%. 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 $20.00 $0.11 $0.15/$0.40 0 110 35%
16 Oct 2026 $19.00 $0.87 $0.65/$1.15 16 44 45%
16 Oct 2026 $21.00 $0.17 $0.00/$0.25 1 2,081 47%
16 Oct 2026 $18.00 $1.00 $1.35/$2.00 0 0 49%
16 Oct 2026 $22.00 $0.07 $0.00/$0.15 1 116 50%
16 Oct 2026 $17.00 $1.86 $1.60/$3.90 0 5 82%
16 Oct 2026 $23.00 $0.00 $0.00/$0.10 0 597 31%
16 Oct 2026 $16.00 $2.84 $2.30/$4.90 0 0 78%
16 Oct 2026 $24.00 $0.00 $0.00/$0.05 0 0 35%
16 Oct 2026 $15.00 $3.83 $3.30/$5.90 0 0 98%
16 Oct 2026 $25.00 $0.00 $0.00/$0.10 0 1 41%
16 Oct 2026 $14.00 $4.83 $4.30/$5.90 0 0 0%
16 Oct 2026 $26.00 $0.00 $0.00/$0.65 0 0 47%
16 Oct 2026 $13.00 $5.83 $5.20/$7.10 0 0 0%
16 Oct 2026 $27.00 $0.00 $0.00/$0.20 0 0 53%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $20.00 $1.28 $0.30/$1.55 0 22 49%
16 Oct 2026 $19.00 $0.56 $0.00/$0.45 0 47 61%
16 Oct 2026 $21.00 $2.20 $1.00/$2.50 0 12 58%
16 Oct 2026 $18.00 $0.16 $0.00/$0.40 0 17 51%
16 Oct 2026 $22.00 $3.20 $1.85/$3.70 0 0 80%
16 Oct 2026 $17.00 $0.02 $0.00/$0.75 0 2 47%
16 Oct 2026 $23.00 $4.20 $2.80/$4.70 0 0 94%
16 Oct 2026 $16.00 $0.00 $0.00/$0.35 0 0 44%
16 Oct 2026 $24.00 $5.20 $3.80/$5.70 0 0 109%
16 Oct 2026 $15.00 $0.00 $0.00/$0.75 0 0 44%
16 Oct 2026 $25.00 $6.20 $4.90/$6.70 0 0 130%
16 Oct 2026 $14.00 $0.00 $0.00/$0.75 0 0 55%
16 Oct 2026 $26.00 $7.20 $5.20/$7.70 0 0 0%
16 Oct 2026 $13.00 $0.00 $0.00/$0.75 0 0 67%
16 Oct 2026 $27.00 $8.20 $6.70/$8.70 0 0 141%

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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