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Cardinal Infrastructure Group CDNL

US equityMarket cap rank #3702Engineering & Construction
$26.07 −$2.65 (-9.23%)
Pre-market · Oct 8, 7:30 am ET · After hours $26.51 +1.67%
Open$28.20
Prev close$28.72
Day range$25.19 – $28.20
Volume600.5K
Market cap$532.57M
P/E (TTM)68.2
Dividend yield–

Average implied volatility across the listed chain right now: 202%. 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

202535455565758595105CallsPuts

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

-43%128%298%469%2060105CallsPuts

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 $25.00 $3.95 $0.80/$3.70 0 0 107%
16 Oct 2026 $22.50 $6.26 $2.60/$5.40 0 0 110%
16 Oct 2026 $30.00 $0.90 $0.00/$1.55 0 10 140%
16 Oct 2026 $20.00 $8.73 $5.00/$8.20 0 1 177%
16 Oct 2026 $35.00 $0.09 $0.00/$1.00 0 73 113%
16 Oct 2026 $40.00 $0.00 $0.00/$0.20 0 19 103%
16 Oct 2026 $45.00 $0.00 $0.00/$0.15 0 24 100%
16 Oct 2026 $50.00 $0.00 $0.00/$0.40 0 26 113%
16 Oct 2026 $55.00 $0.00 $0.00/$2.15 0 7 128%
16 Oct 2026 $60.00 $0.00 $0.00/$2.15 0 2 142%
16 Oct 2026 $65.00 $0.00 $0.00/$2.15 0 0 154%
16 Oct 2026 $70.00 $0.00 $0.00/$2.15 0 2 166%
16 Oct 2026 $75.00 $0.00 $0.00/$2.15 0 0 176%
16 Oct 2026 $80.00 $0.00 $0.00/$2.15 0 0 186%
16 Oct 2026 $85.00 $0.00 $0.00/$2.15 0 0 195%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $25.00 $1.10 $0.10/$1.10 8 11 69%
16 Oct 2026 $22.50 $0.03 $0.00/$1.20 0 57 54%
16 Oct 2026 $30.00 $4.65 $2.80/$5.30 2 23 72%
16 Oct 2026 $20.00 $0.05 $0.00/$1.80 11 65 98%
16 Oct 2026 $35.00 $6.35 $7.30/$10.10 0 122 0%
16 Oct 2026 $40.00 $11.28 $12.30/$15.80 0 106 166%
16 Oct 2026 $45.00 $16.28 $17.30/$20.80 0 4 201%
16 Oct 2026 $50.00 $21.28 $22.10/$25.80 0 0 192%
16 Oct 2026 $55.00 $26.28 $27.20/$30.80 0 0 241%
16 Oct 2026 $60.00 $31.28 $32.30/$35.80 0 0 281%
16 Oct 2026 $65.00 $36.28 $37.10/$40.80 0 0 257%
16 Oct 2026 $70.00 $41.28 $42.10/$45.80 0 0 275%
16 Oct 2026 $75.00 $46.28 $47.30/$50.80 0 0 340%
16 Oct 2026 $80.00 $51.28 $52.10/$55.80 0 0 308%
16 Oct 2026 $85.00 $56.28 $57.10/$60.80 0 0 322%

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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