FHTX · Foghorn Therapeutics Inc.

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$4.84 -0.23 (-4.54%) At close · Jul 24

Market Cap

$284.76M

58.71M

Options Chain

15-min delayed Underlying $4.84 · today Options Calculator

Positioning

Aug 21, 2026 · 26 days to expiry · 6 contracts

Put / call OI

5.00

Put-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$5.00

$0.16 above spot

ATM implied vol

298.6%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 26d Sep 18 54d Dec 18 145d Mar 19 236d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	271.6%	0.899	—		$0.06	—	—	10	10
Call · $2.5 In the money Last — Breakeven — Implied vol 271.6% Delta 0.899 ≈90% ITM Gamma 0.05 Theta -0.012 Vega 0.002 Open interest 0 Model this call Put · $2.5 Last $0.06 Breakeven $2.44 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this put
Underlying $4.84
1	1	531.2%	0.755	$0.33		—	-0.528	66.1%	—	0
Call · $5 Last $0.33 Breakeven $5.33 Implied vol 531.2% Delta 0.755 ≈76% ITM Gamma 0.045 Theta -0.043 Vega 0.004 Open interest 1 Model this call Put · $5 In the money Last — Breakeven — Implied vol 66.1% Delta -0.528 ≈53% ITM Gamma 0.468 Theta -0.006 Vega 0.005 Open interest 0 Model this put
1	1	623.3%	0.719	$0.05		—	—	—	—	0
Call · $7.5 Last $0.05 Breakeven $7.55 Implied vol 623.3% Delta 0.719 ≈72% ITM Gamma 0.04 Theta -0.053 Vega 0.004 Open interest 1 Model this call Put · $7.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1822462 CUSIP 344174107 13F (30d) 13 filings 13 filers Visit website Investor relations