Cytokinetics (CYTK) Options Chain

NASDAQ: CYTKHealth CareBiotechnology: Pharmaceutical PreparationsUSD

62.91+0.90 (+1.45%)

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

Expiration date

Expiration: May 21, 2027
Days to expiration: 223
Share price: $62.91
Put/call ratio (OI): 0.01
Put/call ratio (volume): 0.05
ATM implied volatility: 66.4%
Expected move: ±$32.66
Open interest (C / P): 1.26K / 15

CYTK options summary

The CYTK options chain for the May 21, 2027 expiration lists 8 call and 3 put contracts, with 223 days until expiration. Open interest stands at 1,260 calls and 15 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $65.00 strike is 66.4%, which implies the market expects a move of about ±$32.66 (51.9%) in Cytokinetics stock by expiration.

The most open interest sits at the $65.00 call (1.21K contracts) and the $70.00 put (10 contracts).

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

CYTK options chain · May 21, 2027

CYTK 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
1	1	67.9%	17.80	15.00	18.40	55.00	—	—	—	—	—	—
—	—	—	—	—	—	60.00	—	—	9.00	—	—	—
CYTK $62.91
1,207	92	70.5%	12.80	12.60	13.20	65.00	11.40	15.40	9.40	62.3%	5	5
42	13	71.6%	10.60	10.80	12.00	70.00	14.40	17.20	12.69	58.0%	—	10
6	—	67.2%	9.10	7.20	10.90	75.00	—	—	—	—	—	—
1	—	62.2%	8.50	3.00	6.70	90.00	—	—	—	—	—	—
1	—	62.5%	7.30	2.50	5.80	95.00	—	—	—	—	—	—
1	1	60.4%	3.10	1.70	4.70	100.00	—	—	—	—	—	—
1	1	60.4%	2.90	1.45	3.90	105.00	—	—	—	—	—	—

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 CYTK put/call ratio?

For the May 21, 2027 expiration, the CYTK put/call ratio based on open interest is 0.01 (15 puts vs 1,260 calls), and 0.05 based on today's volume. A ratio above 1 means more puts than calls.

What is CYTK's implied volatility?

At-the-money implied volatility for CYTK options expiring May 21, 2027 is about 66.4%, an annualized estimate of how much the market expects Cytokinetics stock to move.

How many CYTK option expiration dates are there?

CYTK has 8 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.