IDEAYA Biosciences (IDYA) Options Chain
NASDAQ: IDYAHealth 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
- $36.11
- Put/call ratio (OI)
- 0.50
- Put/call ratio (volume)
- 1.00
- Expected move
- ±$7.70
- Open interest (C / P)
- 12 / 6
IDYA options summary
The IDYA options chain for the November 20, 2026 expiration lists 7 call and 3 put contracts, with 40 days until expiration. Open interest stands at 12 calls and 6 puts, a put/call ratio of 0.50, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $35.00 strike is 64.4%, which implies the market expects a move of about ±$7.70 (21.3%) in IDEAYA Biosciences stock by expiration.
The most open interest sits at the $40.00 call (6 contracts) and the $37.50 put (4 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
IDYA options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 9.70 | 5.00 | 9.50 | 30.00 | — | — | — | |||||
| 3.54 | 1.50 | 6.00 | 35.00 | 0.55 | 4.30 | 3.40 | |||||
| — | — | — | 37.50 | 1.50 | 5.80 | 3.80 | |||||
| 2.75 | 0.05 | 3.60 | 40.00 | — | — | 5.10 | |||||
| 1.70 | — | — | 42.50 | — | — | — | |||||
| 1.80 | 0.00 | 2.50 | 45.00 | — | — | — | |||||
| 0.85 | — | — | 47.50 | — | — | — | |||||
| 0.65 | — | — | 50.00 | — | — | — | |||||
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 IDYA put/call ratio?
For the November 20, 2026 expiration, the IDYA put/call ratio based on open interest is 0.50 (6 puts vs 12 calls), and 1.00 based on today's volume. A ratio above 1 means more puts than calls.
What is IDYA's implied volatility?
At-the-money implied volatility for IDYA options expiring November 20, 2026 is about 64.4%, an annualized estimate of how much the market expects IDEAYA Biosciences stock to move.
How many IDYA option expiration dates are there?
IDYA 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.