Dyne Therapeutics (DYN) Options Chain
NASDAQ: DYNHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Pre-market: 16.55 +1.10%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $16.37
- Put/call ratio (OI)
- 0.32
- Put/call ratio (volume)
- 3.30
- Expected move
- ±$0.2834
- Open interest (C / P)
- 1.71K / 550
DYN options summary
The DYN options chain for the October 16, 2026 expiration lists 14 call and 11 put contracts, with 7 days until expiration. Open interest stands at 1,709 calls and 550 puts, a put/call ratio of 0.32, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $17.50 strike is 12.5%, which implies the market expects a move of about ±$0.2834 (1.7%) in Dyne Therapeutics stock by expiration.
The most open interest sits at the $22.50 call (764 contracts) and the $15.00 put (314 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
DYN options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 14.00 | 0.00 | 0.00 | 2.50 | — | — | — | |||||
| 5.85 | 0.00 | 0.00 | 10.00 | — | — | — | |||||
| 0.69 | 0.00 | 0.00 | 15.00 | 0.00 | 0.00 | 0.45 | |||||
| 0.10 | 0.00 | 0.00 | 17.50 | 0.00 | 0.00 | 2.55 | |||||
| 0.10 | 0.00 | 0.00 | 19.00 | 0.00 | 0.00 | 3.10 | |||||
| 0.10 | 0.00 | 0.00 | 20.00 | 0.00 | 0.00 | 4.75 | |||||
| 1.20 | 0.00 | 0.00 | 21.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.00 | 22.50 | 0.00 | 0.00 | 4.30 | |||||
| — | — | — | 24.00 | 0.00 | 0.00 | 5.40 | |||||
| 0.75 | 0.00 | 0.00 | 25.00 | 0.00 | 0.00 | 7.55 | |||||
| 0.05 | 0.00 | 0.00 | 26.00 | — | — | — | |||||
| 2.25 | 0.00 | 0.00 | 27.00 | 0.00 | 0.00 | 3.55 | |||||
| 0.28 | 0.00 | 0.00 | 29.00 | — | — | — | |||||
| 2.95 | 0.00 | 0.00 | 30.00 | 0.00 | 0.00 | 6.00 | |||||
| 0.10 | 0.00 | 0.00 | 32.00 | 0.00 | 0.00 | 7.15 | |||||
| — | — | — | 35.00 | 0.00 | 0.00 | 10.00 | |||||
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 DYN put/call ratio?
For the October 16, 2026 expiration, the DYN put/call ratio based on open interest is 0.32 (550 puts vs 1,709 calls), and 3.30 based on today's volume. A ratio above 1 means more puts than calls.
What is DYN's implied volatility?
At-the-money implied volatility for DYN options expiring October 16, 2026 is about 12.5%, an annualized estimate of how much the market expects Dyne Therapeutics stock to move.
How many DYN option expiration dates are there?
DYN has 6 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.