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Delcath Systems DCTH

US equityMarket cap rank #3701Medical Devices
$15.38 −$0.03 (-0.19%)
Pre-market · Oct 8, 8:40 am ET · After hours $15.38 0.00%
Open$15.27
Prev close$15.41
Day range$15.27 – $15.82
Volume263.1K
Market cap$533.67M
P/E (TTM)1,538.0
Dividend yield–

Average implied volatility across the listed chain right now: 221%. 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

2.507.5013182330CallsPuts

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

-82%247%577%907%2.501530CallsPuts

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 $15.00 $1.09 $0.00/$4.90 0 258 96%
16 Oct 2026 $17.50 $0.22 $0.00/$0.25 0 62 92%
16 Oct 2026 $12.50 $3.04 $1.75/$4.60 0 0 146%
16 Oct 2026 $20.00 $0.03 $0.00/$1.15 0 0 91%
16 Oct 2026 $10.00 $5.49 $4.20/$6.80 0 0 193%
16 Oct 2026 $22.50 $0.00 $0.00/$2.00 0 0 91%
16 Oct 2026 $7.50 $7.99 $6.70/$10.30 0 0 474%
16 Oct 2026 $25.00 $0.00 $0.00/$1.35 0 0 89%
16 Oct 2026 $5.00 $10.48 $9.20/$12.80 0 0 695%
16 Oct 2026 $2.50 $12.98 $11.70/$14.50 0 1 824%
16 Oct 2026 $30.00 $0.00 $0.00/$1.40 0 0 119%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $15.00 $0.60 $0.00/$1.20 0 8 85%
16 Oct 2026 $17.50 $2.25 $0.50/$4.70 0 2 129%
16 Oct 2026 $12.50 $0.05 $0.00/$1.40 0 0 87%
16 Oct 2026 $20.00 $4.59 $3.30/$5.90 0 0 0%
16 Oct 2026 $10.00 $0.00 $0.00/$1.40 0 0 89%
16 Oct 2026 $22.50 $7.09 $5.80/$8.30 0 0 0%
16 Oct 2026 $7.50 $0.00 $0.00/$1.20 0 2 133%
16 Oct 2026 $25.00 $9.59 $7.20/$10.80 0 0 0%
16 Oct 2026 $5.00 $0.00 $0.00/$1.20 0 0 205%
16 Oct 2026 $2.50 $0.00 $0.00/$0.05 0 0 330%
16 Oct 2026 $30.00 $14.59 $13.20/$15.90 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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