CYTK · Cytokinetics Inc

Track CYTK — free

$74.13 +0.68 (+0.93%) At close · Aug 14

Market Cap

$10.31B

139.02M

Options Chain

Underlying $74.13 · at close Aug 14, 2026 Options Calculator

Positioning

Aug 21, 2026 · 4 days to expiry · 40 contracts · mixed snapshot sessions · Mar 13, 2026–Aug 14, 2026; 9 unknown

Put / call OI

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dated and unknown snapshot sessions

Open interest

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dated and unknown snapshot sessions

Volume

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dated and unknown snapshot sessions

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 4d Sep 18 32d Nov 20 95d Jan 15 151d Feb 19 186d Jan 21 522d Dec 15 851d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		—	-0.023	463.8%	—	0
Call · $30 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $30 Snapshot session Unknown Last — Breakeven — Implied vol 463.8% Delta -0.023 ≈2% ITM Gamma 0.001 Theta -0.225 Vega 0.005 Open interest 0 Model this put
1	2	—	—	$29.21		$0.05	-0.049	483.1%	5	21
Call · $35 In the money Snapshot session Mar 13, 2026 Last $29.21 Breakeven $64.21 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $35 Snapshot session Jul 24, 2026 Last $0.05 Breakeven $34.95 Implied vol 483.1% Delta -0.049 ≈5% ITM Gamma 0.002 Theta -0.439 Vega 0.01 Open interest 21 Model this put
3	8	—	—	$30.90		$0.09	-0.059	413.9%	2	64
Call · $40 In the money Snapshot session Mar 31, 2026 Last $30.90 Breakeven $70.90 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this call Put · $40 Snapshot session Jun 16, 2026 Last $0.09 Breakeven $39.91 Implied vol 413.9% Delta -0.059 ≈6% ITM Gamma 0.003 Theta -0.438 Vega 0.011 Open interest 64 Model this put
8	14	—	—	$22.30		$0.69	-0.039	277.5%	2	65
Call · $45 In the money Snapshot session Mar 13, 2026 Last $22.30 Breakeven $67.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 8 Model this call Put · $45 Snapshot session May 5, 2026 Last $0.69 Breakeven $44.31 Implied vol 277.5% Delta -0.039 ≈4% ITM Gamma 0.004 Theta -0.208 Vega 0.007 Open interest 65 Model this put
1	1	—	—	$23.65		$0.28	-0.025	194.4%	1	36
Call · $50 In the money Snapshot session May 4, 2026 Last $23.65 Breakeven $73.65 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $50 Snapshot session Jul 17, 2026 Last $0.28 Breakeven $49.72 Implied vol 194.4% Delta -0.025 ≈3% ITM Gamma 0.004 Theta -0.103 Vega 0.007 Open interest 36 Model this put
295	2	—	—	$23.50		$0.05	-0.114	255.8%	1	40
Call · $55 In the money Snapshot session Jun 17, 2026 Last $23.50 Breakeven $78.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 295 Model this call Put · $55 Snapshot session Aug 6, 2026 Last $0.05 Breakeven $54.95 Implied vol 255.8% Delta -0.114 ≈11% ITM Gamma 0.009 Theta -0.446 Vega 0.019 Open interest 40 Model this put
153	4	—	—	$15.95		$0.25	-0.036	112.3%	77	1.2k
Call · $60 In the money Snapshot session Aug 13, 2026 Last $15.95 Breakeven $75.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 153 Model this call Put · $60 Snapshot session Aug 3, 2026 Last $0.25 Breakeven $59.75 Implied vol 112.3% Delta -0.036 ≈4% ITM Gamma 0.008 Theta -0.08 Vega 0.008 Open interest 1.2k Model this put
74	10	—	—	$16.58		$0.14	-0.066	85.8%	20	276
Call · $65 In the money Snapshot session Jul 16, 2026 Last $16.58 Breakeven $81.58 Implied vol — Delta — Gamma — Theta — Vega — Open interest 74 Model this call Put · $65 Snapshot session Aug 11, 2026 Last $0.14 Breakeven $64.86 Implied vol 85.8% Delta -0.066 ≈7% ITM Gamma 0.018 Theta -0.1 Vega 0.014 Open interest 276 Model this put
49	3	—	—	$7.19		$0.55	-0.149	58.1%	6	457
Call · $70 In the money Snapshot session Aug 7, 2026 Last $7.19 Breakeven $77.19 Implied vol — Delta — Gamma — Theta — Vega — Open interest 49 Model this call Put · $70 Snapshot session Aug 14, 2026 Last $0.55 Breakeven $69.45 Implied vol 58.1% Delta -0.149 ≈15% ITM Gamma 0.047 Theta -0.12 Vega 0.022 Open interest 457 Model this put
Underlying $74.13
1.1k	35	31.2%	0.486	$1.10		$3.37	-0.497	62.9%	1	304
Call · $75 Snapshot session Aug 13, 2026 Last $1.10 Breakeven $76.10 Implied vol 31.2% Delta 0.486 ≈49% ITM Gamma 0.151 Theta -0.116 Vega 0.034 Open interest 1.1k Model this call Put · $75 In the money Snapshot session Aug 14, 2026 Last $3.37 Breakeven $71.63 Implied vol 62.9% Delta -0.497 ≈50% ITM Gamma 0.076 Theta -0.225 Vega 0.034 Open interest 304 Model this put
954	3	50.4%	0.129	$0.15		$6.00	-0.735	86.5%	11	1.9k
Call · $80 Snapshot session Aug 14, 2026 Last $0.15 Breakeven $80.15 Implied vol 50.4% Delta 0.129 ≈13% ITM Gamma 0.049 Theta -0.097 Vega 0.016 Open interest 954 Model this call Put · $80 In the money Snapshot session Aug 14, 2026 Last $6.00 Breakeven $74.00 Implied vol 86.5% Delta -0.735 ≈73% ITM Gamma 0.045 Theta -0.252 Vega 0.031 Open interest 1.9k Model this put
5.8k	94	78.5%	0.083	$0.15		$10.20	-0.771	135.7%	1	647
Call · $85 Snapshot session Aug 13, 2026 Last $0.15 Breakeven $85.15 Implied vol 78.5% Delta 0.083 ≈8% ITM Gamma 0.023 Theta -0.109 Vega 0.016 Open interest 5.8k Model this call Put · $85 In the money Snapshot session Aug 13, 2026 Last $10.20 Breakeven $74.80 Implied vol 135.7% Delta -0.771 ≈77% ITM Gamma 0.026 Theta -0.366 Vega 0.024 Open interest 647 Model this put
3.6k	21	88%	0.034	$0.13		$11.70	-0.813	164.2%	4	6
Call · $90 Snapshot session Aug 14, 2026 Last $0.13 Breakeven $90.13 Implied vol 88% Delta 0.034 ≈3% ITM Gamma 0.01 Theta -0.061 Vega 0.005 Open interest 3.6k Model this call Put · $90 In the money Snapshot session Jul 16, 2026 Last $11.70 Breakeven $78.30 Implied vol 164.2% Delta -0.813 ≈81% ITM Gamma 0.019 Theta -0.391 Vega 0.025 Open interest 6 Model this put
433	30	140.9%	0.078	$0.10		—	-0.879	165.2%	—	0
Call · $95 Snapshot session Aug 13, 2026 Last $0.10 Breakeven $95.10 Implied vol 140.9% Delta 0.078 ≈8% ITM Gamma 0.012 Theta -0.186 Vega 0.01 Open interest 433 Model this call Put · $95 In the money Snapshot session Unknown Last — Breakeven — Implied vol 165.2% Delta -0.879 ≈88% ITM Gamma 0.014 Theta -0.292 Vega 0.017 Open interest 0 Model this put
1.5k	1	161.5%	0.069	$0.05		$18.80	-0.882	195.3%	9	0
Call · $100 Snapshot session Aug 13, 2026 Last $0.05 Breakeven $100.05 Implied vol 161.5% Delta 0.069 ≈7% ITM Gamma 0.01 Theta -0.193 Vega 0.01 Open interest 1.5k Model this call Put · $100 In the money Snapshot session Jun 26, 2026 Last $18.80 Breakeven $81.20 Implied vol 195.3% Delta -0.882 ≈88% ITM Gamma 0.012 Theta -0.339 Vega 0.017 Open interest 0 Model this put
103	3	152.4%	0.031	$0.93		—	-0.892	218.4%	—	0
Call · $105 Snapshot session Jul 22, 2026 Last $0.93 Breakeven $105.93 Implied vol 152.4% Delta 0.031 ≈3% ITM Gamma 0.005 Theta -0.095 Vega 0.005 Open interest 103 Model this call Put · $105 In the money Snapshot session Unknown Last — Breakeven — Implied vol 218.4% Delta -0.892 ≈89% ITM Gamma 0.01 Theta -0.357 Vega 0.018 Open interest 0 Model this put
76	3	202.3%	0.061	$0.50		—	-0.903	237.6%	—	0
Call · $110 Snapshot session Jul 20, 2026 Last $0.50 Breakeven $110.50 Implied vol 202.3% Delta 0.061 ≈6% ITM Gamma 0.007 Theta -0.217 Vega 0.011 Open interest 76 Model this call Put · $110 In the money Snapshot session Unknown Last — Breakeven — Implied vol 237.6% Delta -0.903 ≈90% ITM Gamma 0.009 Theta -0.361 Vega 0.018 Open interest 0 Model this put
1.2k	4	175.2%	0.019	$0.06		—	-0.908	258.7%	—	0
Call · $115 Snapshot session Aug 7, 2026 Last $0.06 Breakeven $115.06 Implied vol 175.2% Delta 0.019 ≈2% ITM Gamma 0.003 Theta -0.072 Vega 0.005 Open interest 1.2k Model this call Put · $115 In the money Snapshot session Unknown Last — Breakeven — Implied vol 258.7% Delta -0.908 ≈91% ITM Gamma 0.008 Theta -0.379 Vega 0.018 Open interest 0 Model this put
3	1	269.1%	0.082	$0.02		—	-0.913	276.7%	—	0
Call · $120 Snapshot session Aug 7, 2026 Last $0.02 Breakeven $120.02 Implied vol 269.1% Delta 0.082 ≈8% ITM Gamma 0.007 Theta -0.368 Vega 0.011 Open interest 3 Model this call Put · $120 In the money Snapshot session Unknown Last — Breakeven — Implied vol 276.7% Delta -0.913 ≈91% ITM Gamma 0.007 Theta -0.39 Vega 0.011 Open interest 0 Model this put
0	—	285%	0.078	—		—	-0.913	297%	—	0
Call · $125 Snapshot session Unknown Last — Breakeven — Implied vol 285% Delta 0.078 ≈8% ITM Gamma 0.006 Theta -0.375 Vega 0.011 Open interest 0 Model this call Put · $125 In the money Snapshot session Unknown Last — Breakeven — Implied vol 297% Delta -0.913 ≈91% ITM Gamma 0.006 Theta -0.416 Vega 0.011 Open interest 0 Model this put

About this data

Each contract's last price, volume, greeks, implied volatility and open interest belongs to the snapshot session shown in its details; unknown means the provider omitted the timestamp. This chain has mixed snapshot sessions · Mar 13, 2026–Aug 14, 2026; 9 unknown. Cross-contract positioning totals are shown only when every returned row has the same known session. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown.

Key facts CIK 1061983 CUSIP 23282W605 13F (30d) 450 filings 448 filers Visit website Investor relations