Erasca (ERAS) Options Chain
NASDAQ: ERASHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Apr 16, 2027
- Days to expiration
- 187
- Share price
- $16.03
- Put/call ratio (OI)
- 0.50
- Put/call ratio (volume)
- 0.10
- ATM implied volatility
- 130.0%
- Expected move
- ±$14.91
- Open interest (C / P)
- 22 / 11
ERAS options summary
The ERAS options chain for the April 16, 2027 expiration lists 9 call and 3 put contracts, with 187 days until expiration. Open interest stands at 22 calls and 11 puts, a put/call ratio of 0.50, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $15.00 strike is 130.0%, which implies the market expects a move of about ±$14.91 (93.0%) in Erasca stock by expiration.
The most open interest sits at the $12.50 call (17 contracts) and the $10.00 put (7 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ERAS options chain · April 16, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 7.50 | 0.15 | 1.05 | 0.78 | |||||
| 6.81 | 0.00 | 0.00 | 10.00 | 1.00 | 1.80 | 1.46 | |||||
| 5.70 | 5.50 | 6.20 | 12.50 | 1.80 | 2.50 | 2.15 | |||||
| 8.10 | 5.40 | 6.80 | 15.00 | — | — | — | |||||
| 6.75 | 3.50 | 5.60 | 17.50 | — | — | — | |||||
| 2.25 | 2.45 | 3.30 | 20.00 | — | — | — | |||||
| 5.30 | 2.05 | 2.90 | 22.50 | — | — | — | |||||
| 1.60 | 1.25 | 2.20 | 25.00 | — | — | — | |||||
| 1.13 | 0.00 | 0.00 | 30.00 | — | — | — | |||||
| 2.50 | 0.05 | 2.80 | 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 ERAS put/call ratio?
For the April 16, 2027 expiration, the ERAS put/call ratio based on open interest is 0.50 (11 puts vs 22 calls), and 0.10 based on today's volume. A ratio above 1 means more puts than calls.
What is ERAS's implied volatility?
At-the-money implied volatility for ERAS options expiring April 16, 2027 is about 130.0%, an annualized estimate of how much the market expects Erasca stock to move.
How many ERAS option expiration dates are there?
ERAS has 10 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
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.