BeStock  
Stocks › Biotechnology › VSTM

Verastem VSTM

US equityMarket cap rank #3463Biotechnology
$8.27 +$0.52 (+6.65%)
Pre-market · Oct 8, 6:50 am ET · After hours $8.27 0.00%
Open$7.77
Prev close$7.75
Day range$7.65 – $8.36
Volume3.93M
Market cap$748.51M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 328%. 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

1.003.005.007.009.00111315CallsPuts

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

-65%194%453%712%1.008.0015CallsPuts

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 $8.00 $1.25 $0.85/$1.60 234 538 221%
16 Oct 2026 $9.00 $1.02 $0.90/$4.90 37 1,725 648%
16 Oct 2026 $7.00 $1.62 $1.35/$4.60 0 74 508%
16 Oct 2026 $10.00 $0.80 $0.10/$1.00 1,220 1,407 223%
16 Oct 2026 $6.00 $2.06 $0.75/$4.30 0 38 237%
16 Oct 2026 $11.00 $0.67 $0.10/$0.85 41 337 251%
16 Oct 2026 $5.00 $2.85 $2.75/$5.50 0 1 549%
16 Oct 2026 $12.00 $0.40 $0.00/$4.80 1 54 270%
16 Oct 2026 $4.00 $3.77 $2.00/$6.30 0 0 0%
16 Oct 2026 $13.00 $0.25 $0.00/$4.70 1 250 259%
16 Oct 2026 $3.00 $4.75 $3.00/$7.30 0 0 0%
16 Oct 2026 $14.00 $0.20 $0.00/$4.70 1 2 268%
16 Oct 2026 $2.00 $5.75 $4.00/$8.00 0 0 0%
16 Oct 2026 $15.00 $0.24 $0.10/$0.25 6 324 282%
16 Oct 2026 $1.00 $6.75 $5.00/$9.00 0 0 0%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $8.00 $1.25 $0.40/$2.15 11 264 288%
16 Oct 2026 $9.00 $2.09 $0.20/$4.90 0 0 422%
16 Oct 2026 $7.00 $0.86 $0.00/$5.00 0 323 308%
16 Oct 2026 $10.00 $2.79 $0.50/$4.90 0 0 311%
16 Oct 2026 $6.00 $0.35 $0.15/$0.45 79 532 253%
16 Oct 2026 $11.00 $3.55 $2.10/$6.00 0 0 431%
16 Oct 2026 $5.00 $0.10 $0.00/$0.45 0 0 246%
16 Oct 2026 $12.00 $4.45 $2.10/$6.50 0 0 313%
16 Oct 2026 $4.00 $0.02 $0.00/$0.35 0 36 241%
16 Oct 2026 $13.00 $5.38 $3.00/$7.50 0 0 334%
16 Oct 2026 $3.00 $0.00 $0.00/$0.10 0 2 238%
16 Oct 2026 $14.00 $6.33 $4.00/$8.50 0 0 363%
16 Oct 2026 $2.00 $0.00 $0.00/$0.05 0 0 268%
16 Oct 2026 $15.00 $7.30 $5.00/$9.50 0 0 390%
16 Oct 2026 $1.00 $0.00 $0.00/$0.05 0 0 398%

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 VSTM.

Leave a comment

Scroll to Top