Cytokinetics (CYTK) Options Chain

NASDAQ: CYTKHealth CareBiotechnology: Pharmaceutical PreparationsUSD

61.60+0.48 (+0.79%)

Market open · Delayed 15 min · as of Oct 8, 2:13 PM ET

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $61.73
Put/call ratio (OI): 0.62
Put/call ratio (volume): 0.41
ATM implied volatility: 49.9%
Expected move: ±$4.56
Open interest (C / P): 3.63K / 2.24K

CYTK options summary

The CYTK options chain for the October 16, 2026 expiration lists 12 call and 7 put contracts, with 8 days until expiration. Open interest stands at 3,629 calls and 2,236 puts, a put/call ratio of 0.62, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $60.00 strike is 49.9%, which implies the market expects a move of about ±$4.56 (7.4%) in Cytokinetics stock by expiration.

The most open interest sits at the $65.00 call (933 contracts) and the $60.00 put (819 contracts).

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

CYTK options chain · October 16, 2026

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	—	78.5%	16.23	4.30	7.40	55.00	0.05	0.60	0.35	61.8%	1	24
11	7	46.0%	1.90	2.00	2.75	60.00	1.05	1.55	1.50	53.7%	125	819
CYTK $61.73
933	23	51.2%	0.45	0.40	0.80	65.00	4.10	6.50	5.50	86.1%	5	208
615	1	52.5%	0.15	0.00	0.30	70.00	8.10	11.10	9.10	103.0%	4	633
513	10	73.6%	0.15	0.05	0.25	75.00	13.10	16.00	14.35	130.7%	2	197
740	4	147.8%	0.15	0.00	2.15	80.00	18.10	21.00	18.27	156.1%	2	355
366	1	112.3%	0.05	0.00	0.35	85.00	23.10	26.00	10.41	178.5%	1	0
99	4	163.7%	0.15	0.00	1.20	90.00	—	—	—	—	—	—
39	8	180.5%	0.25	0.00	1.20	95.00	—	—	—	—	—	—
286	285	207.4%	0.06	0.00	1.55	100.00	—	—	—	—	—	—
1	—	239.9%	0.09	0.00	2.15	105.00	—	—	—	—	—	—
25	—	254.5%	0.10	0.00	2.15	110.00	—	—	—	—	—	—

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 October 16, 2026 expiration, the CYTK put/call ratio based on open interest is 0.62 (2,236 puts vs 3,629 calls), and 0.41 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 October 16, 2026 is about 49.9%, 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.