IDEAYA Biosciences (IDYA) Options Chain
NASDAQ: IDYAHealthcareBiotechnologyUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $36.06
- Put/call ratio (OI)
- 3.44
- Put/call ratio (volume)
- 0.24
- Expected move
- ±$0.3121
- Open interest (C / P)
- 18 / 62
IDYA options summary
The IDYA options chain for the October 16, 2026 expiration lists 12 call and 12 put contracts, with 7 days until expiration. Open interest stands at 18 calls and 62 puts, a put/call ratio of 3.44, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $35.00 strike is 6.3%, which implies the market expects a move of about ±$0.3121 (0.9%) in IDEAYA Biosciences stock by expiration.
The most open interest sits at the $17.50 call (12 contracts) and the $25.00 put (20 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
IDYA options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 23.85 | 0.00 | 0.00 | 15.00 | 0.00 | 4.90 | 0.40 | |||||
| 20.81 | 20.10 | 25.00 | 17.50 | 0.00 | 4.90 | 2.05 | |||||
| 9.81 | 11.10 | 16.00 | 20.00 | 0.00 | 4.90 | 0.53 | |||||
| 7.76 | 0.00 | 0.00 | 22.50 | 0.00 | 4.90 | 4.30 | |||||
| 14.98 | 0.00 | 0.00 | 25.00 | 0.00 | 4.00 | 0.73 | |||||
| 14.89 | 0.00 | 0.00 | 27.50 | 0.00 | 0.00 | 3.00 | |||||
| 8.61 | 0.00 | 0.00 | 30.00 | 0.00 | 0.00 | 0.42 | |||||
| — | — | — | 32.50 | 0.00 | 0.00 | 1.35 | |||||
| 1.62 | 0.00 | 0.00 | 35.00 | 0.00 | 0.00 | 0.75 | |||||
| 1.70 | 0.00 | 0.00 | 37.50 | 0.00 | 0.00 | 1.40 | |||||
| 0.55 | 0.00 | 0.00 | 40.00 | 0.00 | 0.00 | 4.13 | |||||
| 0.20 | 0.00 | 0.00 | 45.00 | 14.00 | 18.90 | 13.63 | |||||
| 0.20 | 0.00 | 0.00 | 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 October 16, 2026 expiration, the IDYA put/call ratio based on open interest is 3.44 (62 puts vs 18 calls), and 0.24 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 October 16, 2026 is about 6.3%, 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.