BeStock  
Stocks › Biotechnology › FDMT

4D Molecular Therapeutics FDMT

US equityMarket cap rank #3514Biotechnology
$12.59 +$0.03 (+0.24%)
Pre-market · Oct 8, 8:10 am ET · After hours $12.59 0.00%
Open$12.36
Prev close$12.56
Day range$12.19 – $12.92
Volume603.6K
Market cap$695.52M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 189%. 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

2.006.0010141822263032CallsPuts

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

-74%223%520%817%2.001732CallsPuts

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 $13.00 $0.84 $0.00/$4.20 0 12 133%
16 Oct 2026 $12.00 $1.31 $0.75/$1.10 0 38 77%
16 Oct 2026 $14.00 $0.51 $0.00/$4.00 0 4 133%
16 Oct 2026 $11.00 $1.40 $1.40/$4.20 3 70 267%
16 Oct 2026 $15.00 $0.30 $0.05/$0.95 0 49 166%
16 Oct 2026 $10.00 $2.67 $2.50/$2.85 2 3,114 112%
16 Oct 2026 $16.00 $0.17 $0.00/$3.80 0 59 134%
16 Oct 2026 $9.00 $3.62 $3.50/$3.80 0 59 139%
16 Oct 2026 $17.00 $0.09 $0.00/$2.55 0 15 134%
16 Oct 2026 $8.00 $4.58 $2.50/$6.90 0 40 207%
16 Oct 2026 $18.00 $0.05 $0.00/$3.80 0 4 134%
16 Oct 2026 $7.00 $5.57 $3.50/$7.90 0 23 257%
16 Oct 2026 $19.00 $0.03 $0.00/$3.80 0 0 134%
16 Oct 2026 $6.00 $6.57 $4.50/$8.80 0 0 276%
16 Oct 2026 $20.00 $0.01 $0.00/$1.20 0 1 134%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $13.00 $1.27 $0.00/$1.30 0 0 137%
16 Oct 2026 $12.00 $0.74 $0.00/$0.60 0 7 136%
16 Oct 2026 $14.00 $1.94 $0.20/$4.90 0 1 220%
16 Oct 2026 $11.00 $0.37 $0.00/$4.00 0 5 136%
16 Oct 2026 $15.00 $2.73 $0.60/$4.90 0 1 143%
16 Oct 2026 $10.00 $0.15 $0.00/$1.90 0 18 136%
16 Oct 2026 $16.00 $3.60 $1.30/$5.50 0 20 0%
16 Oct 2026 $9.00 $0.05 $0.00/$3.80 0 56 135%
16 Oct 2026 $17.00 $4.52 $2.30/$6.50 0 0 0%
16 Oct 2026 $8.00 $0.01 $0.00/$1.55 0 5 135%
16 Oct 2026 $18.00 $5.48 $3.20/$7.50 0 0 0%
16 Oct 2026 $7.00 $0.00 $0.00/$3.80 0 4 135%
16 Oct 2026 $19.00 $6.46 $4.20/$8.50 0 0 0%
16 Oct 2026 $6.00 $0.00 $0.00/$3.80 0 4 139%
16 Oct 2026 $20.00 $7.44 $5.20/$9.50 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.

Discussion

No comments yet — be the first to weigh in on FDMT.

Leave a comment

Scroll to Top