Erasca (ERAS) Options Chain

NASDAQ: ERASHealth CareBiotechnology: Pharmaceutical PreparationsUSD

16.03+0.57 (+3.69%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 159
Share price: $16.03
Put/call ratio (OI): 0.50
Put/call ratio (volume): 1.22
ATM implied volatility: 96.3%
Expected move: ±$10.19
Open interest (C / P): 651 / 325

ERAS options summary

The ERAS options chain for the March 19, 2027 expiration lists 9 call and 6 put contracts, with 159 days until expiration. Open interest stands at 651 calls and 325 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 96.3%, which implies the market expects a move of about ±$10.19 (63.6%) in Erasca stock by expiration.

The most open interest sits at the $10.00 call (356 contracts) and the $15.00 put (168 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

ERAS options chain · March 19, 2027

ERAS calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
3	2	129.7%	11.70	9.00	9.90	7.50	0.25	1.85	0.93	136.9%	—	2
356	10	95.2%	6.30	6.50	7.60	10.00	0.85	1.35	0.70	98.5%	100	102
12	4	95.1%	4.80	5.00	6.10	12.50	1.65	2.35	1.98	94.5%	2	38
131	27	99.8%	3.30	4.10	5.00	15.00	2.80	3.70	3.70	92.8%	5	168
ERAS $16.03
26	2	95.2%	3.60	3.00	3.90	17.50	4.30	5.40	5.10	93.5%	2	15
76	11	93.8%	2.35	2.45	2.90	20.00	—	—	—	—	—	—
—	—	—	—	—	—	22.50	0.00	0.00	7.20	—	—	0
2	1	109.2%	3.79	1.30	3.30	25.00	—	—	—	—	—	—
3	1	92.1%	0.60	0.60	1.45	30.00	—	—	—	—	—	—
42	31	91.6%	0.45	0.35	0.95	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 March 19, 2027 expiration, the ERAS put/call ratio based on open interest is 0.50 (325 puts vs 651 calls), and 1.22 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 March 19, 2027 is about 96.3%, 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.