Zymeworks (ZYME) Options Chain
NASDAQ: ZYMEHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $25.79
- Put/call ratio (OI)
- 0.23
- Put/call ratio (volume)
- 0.03
- Expected move
- ±$6.32
- Open interest (C / P)
- 243 / 57
ZYME options summary
The ZYME options chain for the November 20, 2026 expiration lists 3 call and 2 put contracts, with 40 days until expiration. Open interest stands at 243 calls and 57 puts, a put/call ratio of 0.23, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $25.00 strike is 74.0%, which implies the market expects a move of about ±$6.32 (24.5%) in Zymeworks stock by expiration.
The most open interest sits at the $30.00 call (171 contracts) and the $25.00 put (30 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ZYME options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.23 | 0.50 | 4.90 | 25.00 | 0.20 | 4.50 | 1.50 | |||||
| 0.10 | 0.00 | 2.30 | 30.00 | 3.30 | 5.90 | 4.50 | |||||
| 1.30 | 0.00 | 4.90 | 35.00 | — | — | — | |||||
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 ZYME put/call ratio?
For the November 20, 2026 expiration, the ZYME put/call ratio based on open interest is 0.23 (57 puts vs 243 calls), and 0.03 based on today's volume. A ratio above 1 means more puts than calls.
What is ZYME's implied volatility?
At-the-money implied volatility for ZYME options expiring November 20, 2026 is about 74.0%, an annualized estimate of how much the market expects Zymeworks stock to move.
How many ZYME option expiration dates are there?
ZYME has 5 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.