4D Molecular Therapeutics (FDMT) Options Chain

NASDAQ: FDMTHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD

13.33+0.63 (+4.96%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jul 16, 2027
Days to expiration: 278
Share price: $13.33
Put/call ratio (OI): 0.44
Put/call ratio (volume): 0.61
ATM implied volatility: 100.6%
Expected move: ±$11.71
Open interest (C / P): 97 / 43

FDMT options summary

The FDMT options chain for the July 16, 2027 expiration lists 8 call and 5 put contracts, with 278 days until expiration. Open interest stands at 97 calls and 43 puts, a put/call ratio of 0.44, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $12.00 strike is 100.6%, which implies the market expects a move of about ±$11.71 (87.8%) in 4D Molecular Therapeutics stock by expiration.

The most open interest sits at the $5.00 call (60 contracts) and the $17.00 put (21 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

FDMT options chain · July 16, 2027

FDMT calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
60	10	112.3%	10.00	7.00	10.90	5.00	—	—	—	—	—	—
3	3	104.8%	8.45	5.00	8.90	8.00	0.00	5.00	1.05	136.5%	—	1
10	—	104.2%	7.50	4.00	7.90	10.00	—	—	—	—	—	—
13	2	100.6%	5.95	3.00	7.00	12.00	—	—	3.21	—	—	—
FDMT $13.33
3	1	100.2%	3.50	2.00	6.00	15.00	3.00	7.50	5.10	90.8%	10	20
2	1	95.1%	2.80	1.00	5.50	17.00	4.50	9.00	5.70	91.5%	1	21
6	1	107.6%	2.25	1.70	4.70	20.00	7.00	11.00	8.00	88.9%	—	1
—	—	—	1.30	—	—	30.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the FDMT put/call ratio?

For the July 16, 2027 expiration, the FDMT put/call ratio based on open interest is 0.44 (43 puts vs 97 calls), and 0.61 based on today's volume. A ratio above 1 means more puts than calls.

What is FDMT's implied volatility?

At-the-money implied volatility for FDMT options expiring July 16, 2027 is about 100.6%, an annualized estimate of how much the market expects 4D Molecular Therapeutics stock to move.

How many FDMT option expiration dates are there?

FDMT has 5 listed expiration dates, from Oct 16, 2026 to Jul 16, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.