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Core & Main CNM

US equityMarket cap rank #1684
$41.82 +$0.47 (+1.14%)
Market closed · Oct 5, 8:20 pm ET · Last extended-hours $41.82 0.00%
Open$41.15
Prev close$41.35
Day range$40.62 – $42.04
Volume2.58M
Market cap$7.70B
P/E (TTM)17.2
Dividend yield–

Average implied volatility across the listed chain right now: 73%. 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 $42.50 $0.70 $0.35/$0.85 1 502 30%
16 Oct 2026 $40.00 $2.28 $1.75/$2.70 0 7 37%
16 Oct 2026 $45.00 $0.25 $0.00/$0.75 0 52 41%
16 Oct 2026 $37.50 $4.36 $3.20/$5.50 0 1 0%
16 Oct 2026 $47.50 $0.11 $0.00/$0.75 0 122 48%
16 Oct 2026 $35.00 $6.63 $5.00/$8.50 0 0 0%
16 Oct 2026 $50.00 $0.05 $0.00/$0.75 0 20 54%
16 Oct 2026 $32.50 $9.00 $7.50/$10.80 0 4 0%
16 Oct 2026 $52.50 $0.02 $0.00/$1.25 0 12 59%
16 Oct 2026 $30.00 $11.43 $10.10/$13.10 0 0 0%
16 Oct 2026 $55.00 $0.01 $0.00/$0.20 0 2 63%
16 Oct 2026 $27.50 $13.90 $12.50/$16.20 0 0 0%
16 Oct 2026 $60.00 $0.00 $0.00/$0.75 0 0 71%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $42.50 $1.74 $1.00/$1.45 0 7 30%
16 Oct 2026 $40.00 $0.90 $0.25/$1.05 0 43 49%
16 Oct 2026 $45.00 $3.87 $2.35/$4.50 0 5 43%
16 Oct 2026 $37.50 $0.48 $0.00/$1.15 0 50 70%
16 Oct 2026 $47.50 $6.23 $4.70/$7.60 0 0 76%
16 Oct 2026 $35.00 $0.25 $0.00/$2.15 0 64 81%
16 Oct 2026 $50.00 $8.67 $7.20/$10.10 0 0 94%
16 Oct 2026 $32.50 $0.13 $0.00/$2.15 0 1 91%
16 Oct 2026 $52.50 $11.15 $9.70/$12.60 0 0 111%
16 Oct 2026 $30.00 $0.06 $0.00/$1.15 0 0 100%
16 Oct 2026 $55.00 $13.65 $12.20/$15.10 0 0 126%
16 Oct 2026 $27.50 $0.03 $0.00/$2.05 0 0 110%
16 Oct 2026 $60.00 $18.65 $17.10/$20.10 0 0 149%

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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