CMPS · COMPASS Pathways plc

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$11.22 -0.50 (-4.23%)

Market Cap

$1.58B

134.95M

Options Chain

15-min delayed

Underlying $11.71 · Jul 23, 2026 Options Calculator

Aug 21, 2026 · 28d Sep 18, 2026 · 56d Nov 20, 2026 · 119d Jan 15, 2027 · 175d Feb 19, 2027 · 210d Jan 21, 2028 · 546d

Put/Call OI

0.49

Open interest

49.8k

Volume

1.3k

Max pain

$11

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
52	2	798.3%	0.986	$11.35		—	—	—	—	0
Call · $1 In the money Last $11.35 Breakeven $12.35 IV 798.3% Delta 0.986 (~99% ITM) Gamma 0.001 Theta -0.016 Vega 0.001 Open interest 52 Model this call Put · $1 Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	2	471.1%	0.976	$11.50		—	—	—	—	0
Call · $2 In the money Last $11.50 Breakeven $13.50 IV 471.1% Delta 0.976 (~98% ITM) Gamma 0.004 Theta -0.015 Vega 0.002 Open interest 4 Model this call Put · $2 Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	2	359.7%	0.966	$9.19		$0.05	—	—	9	193
Call · $3 In the money Last $9.19 Breakeven $12.19 IV 359.7% Delta 0.966 (~97% ITM) Gamma 0.007 Theta -0.015 Vega 0.002 Open interest 4 Model this call Put · $3 Last $0.05 Breakeven $2.95 IV — Delta — Gamma — Theta — Vega — Open interest 193 Model this put
150	22	—	—	$7.35		$0.07	-0.057	342.1%	12	43
Call · $4 In the money Last $7.35 Breakeven $11.35 IV — Delta — Gamma — Theta — Vega — Open interest 150 Model this call Put · $4 Last $0.07 Breakeven $3.93 IV 342.1% Delta -0.057 (~6% ITM) Gamma 0.011 Theta -0.022 Vega 0.004 Open interest 43 Model this put
55	8	230.2%	0.945	$7.10		$0.05	-0.073	276.1%	33	89
Call · $5 In the money Last $7.10 Breakeven $12.10 IV 230.2% Delta 0.945 (~94% ITM) Gamma 0.015 Theta -0.015 Vega 0.003 Open interest 55 Model this call Put · $5 Last $0.05 Breakeven $4.95 IV 276.1% Delta -0.073 (~7% ITM) Gamma 0.016 Theta -0.022 Vega 0.005 Open interest 89 Model this put
401	9	—	—	$6.01		$0.05	-0.055	167.1%	8	746
Call · $6 In the money Last $6.01 Breakeven $12.01 IV — Delta — Gamma — Theta — Vega — Open interest 401 Model this call Put · $6 Last $0.05 Breakeven $5.95 IV 167.1% Delta -0.055 (~5% ITM) Gamma 0.021 Theta -0.01 Vega 0.004 Open interest 746 Model this put
1.4k	3	—	—	$4.82		$0.11	-0.054	120.8%	1	559
Call · $7 In the money Last $4.82 Breakeven $11.82 IV — Delta — Gamma — Theta — Vega — Open interest 1.4k Model this call Put · $7 Last $0.11 Breakeven $6.89 IV 120.8% Delta -0.054 (~5% ITM) Gamma 0.029 Theta -0.007 Vega 0.004 Open interest 559 Model this put
1k	4	116%	0.893	$4.10		$0.20	-0.103	113.4%	4	1.2k
Call · $8 In the money Last $4.10 Breakeven $12.10 IV 116% Delta 0.893 (~89% ITM) Gamma 0.052 Theta -0.013 Vega 0.007 Open interest 1k Model this call Put · $8 Last $0.20 Breakeven $7.80 IV 113.4% Delta -0.103 (~10% ITM) Gamma 0.051 Theta -0.011 Vega 0.007 Open interest 1.2k Model this put
490	2	102%	0.828	$3.20		$0.39	-0.179	106.9%	2	1.7k
Call · $9 In the money Last $3.20 Breakeven $12.20 IV 102% Delta 0.828 (~83% ITM) Gamma 0.081 Theta -0.015 Vega 0.007 Open interest 490 Model this call Put · $9 Last $0.39 Breakeven $8.61 IV 106.9% Delta -0.179 (~18% ITM) Gamma 0.08 Theta -0.016 Vega 0.007 Open interest 1.7k Model this put
2.6k	1	107.2%	0.712	$2.05		$0.60	-0.278	96%	13	1.4k
Call · $10 In the money Last $2.05 Breakeven $12.05 IV 107.2% Delta 0.712 (~71% ITM) Gamma 0.104 Theta -0.021 Vega 0.01 Open interest 2.6k Model this call Put · $10 Last $0.60 Breakeven $9.40 IV 96% Delta -0.278 (~28% ITM) Gamma 0.113 Theta -0.018 Vega 0.01 Open interest 1.4k Model this put
5.6k	106	101.4%	0.592	$1.90		$1.05	-0.41	94.3%	94	8.8k
Call · $11 In the money Last $1.90 Breakeven $12.90 IV 101.4% Delta 0.592 (~59% ITM) Gamma 0.124 Theta -0.023 Vega 0.012 Open interest 5.6k Model this call Put · $11 Last $1.05 Breakeven $9.95 IV 94.3% Delta -0.41 (~41% ITM) Gamma 0.134 Theta -0.02 Vega 0.012 Open interest 8.8k Model this put
Underlying $11.71
2.6k	116	96.5%	0.463	$1.00		$1.60	-0.549	89.8%	264	694
Call · $12 Last $1.00 Breakeven $13.00 IV 96.5% Delta 0.463 (~46% ITM) Gamma 0.133 Theta -0.022 Vega 0.013 Open interest 2.6k Model this call Put · $12 In the money Last $1.60 Breakeven $10.40 IV 89.8% Delta -0.549 (~55% ITM) Gamma 0.143 Theta -0.019 Vega 0.013 Open interest 694 Model this put
3.9k	41	96.8%	0.349	$0.70		$2.30	-0.666	91.7%	1	495
Call · $13 Last $0.70 Breakeven $13.70 IV 96.8% Delta 0.349 (~35% ITM) Gamma 0.123 Theta -0.02 Vega 0.012 Open interest 3.9k Model this call Put · $13 In the money Last $2.30 Breakeven $10.70 IV 91.7% Delta -0.666 (~67% ITM) Gamma 0.129 Theta -0.018 Vega 0.012 Open interest 495 Model this put
5.5k	253	99%	0.258	$0.42		$2.99	-0.904	57.9%	1	229
Call · $14 Last $0.42 Breakeven $14.42 IV 99% Delta 0.258 (~26% ITM) Gamma 0.106 Theta -0.018 Vega 0.009 Open interest 5.5k Model this call Put · $14 In the money Last $2.99 Breakeven $11.01 IV 57.9% Delta -0.904 (~90% ITM) Gamma 0.103 Theta -0.005 Vega 0.006 Open interest 229 Model this put
5.8k	126	104.1%	0.201	$0.30		$4.10	-0.835	95.3%	3	240
Call · $15 Last $0.30 Breakeven $15.30 IV 104.1% Delta 0.201 (~20% ITM) Gamma 0.087 Theta -0.017 Vega 0.01 Open interest 5.8k Model this call Put · $15 In the money Last $4.10 Breakeven $10.90 IV 95.3% Delta -0.835 (~83% ITM) Gamma 0.087 Theta -0.012 Vega 0.009 Open interest 240 Model this put
1.5k	1	101.8%	0.137	$0.24		$4.37	-0.974	67.5%	2	3
Call · $16 Last $0.24 Breakeven $16.24 IV 101.8% Delta 0.137 (~14% ITM) Gamma 0.069 Theta -0.013 Vega 0.007 Open interest 1.5k Model this call Put · $16 In the money Last $4.37 Breakeven $11.63 IV 67.5% Delta -0.974 (~97% ITM) Gamma 0.042 Theta -0.002 Vega 0.002 Open interest 3 Model this put
518	3	109.7%	0.116	$0.20		—	-0.933	93.5%	—	0
Call · $17 Last $0.20 Breakeven $17.20 IV 109.7% Delta 0.116 (~12% ITM) Gamma 0.057 Theta -0.012 Vega 0.007 Open interest 518 Model this call Put · $17 In the money Last — Breakeven — IV 93.5% Delta -0.933 (~93% ITM) Gamma 0.049 Theta -0.006 Vega 0.004 Open interest 0 Model this put
920	4	117.2%	0.098	$0.12		—	—	—	—	0
Call · $18 Last $0.12 Breakeven $18.12 IV 117.2% Delta 0.098 (~10% ITM) Gamma 0.048 Theta -0.011 Vega 0.007 Open interest 920 Model this call Put · $18 In the money Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
94	10	120.8%	0.081	$0.10		—	—	—	—	0
Call · $19 Last $0.10 Breakeven $19.10 IV 120.8% Delta 0.081 (~8% ITM) Gamma 0.04 Theta -0.01 Vega 0.004 Open interest 94 Model this call Put · $19 In the money Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
525	23	123.2%	0.066	$0.12		$8.75	—	—	1	1
Call · $20 Last $0.12 Breakeven $20.12 IV 123.2% Delta 0.066 (~7% ITM) Gamma 0.033 Theta -0.009 Vega 0.004 Open interest 525 Model this call Put · $20 In the money Last $8.75 Breakeven $11.25 IV — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
38	30	142.7%	0.084	$0.20		—	—	—	—	0
Call · $21 Last $0.20 Breakeven $21.20 IV 142.7% Delta 0.084 (~8% ITM) Gamma 0.035 Theta -0.012 Vega 0.004 Open interest 38 Model this call Put · $21 In the money Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
48	2	150.1%	0.081	$0.10		—	—	—	—	0
Call · $22 Last $0.10 Breakeven $22.10 IV 150.1% Delta 0.081 (~8% ITM) Gamma 0.032 Theta -0.013 Vega 0.004 Open interest 48 Model this call Put · $22 In the money Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	2	157.1%	0.078	$0.10		—	—	—	—	0
Call · $23 Last $0.10 Breakeven $23.10 IV 157.1% Delta 0.078 (~8% ITM) Gamma 0.03 Theta -0.013 Vega 0.004 Open interest 4 Model this call Put · $23 In the money Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
34	2	163.9%	0.076	$0.10		$9.80	—	—	5	1
Call · $24 Last $0.10 Breakeven $24.10 IV 163.9% Delta 0.076 (~8% ITM) Gamma 0.028 Theta -0.013 Vega 0.005 Open interest 34 Model this call Put · $24 In the money Last $9.80 Breakeven $14.20 IV — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
12	14	181.2%	0.09	$0.09		—	—	—	—	0
Call · $25 Last $0.09 Breakeven $25.09 IV 181.2% Delta 0.09 (~9% ITM) Gamma 0.029 Theta -0.017 Vega 0.005 Open interest 12 Model this call Put · $25 In the money Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
5	3	182%	0.08	$0.20		—	—	—	—	0
Call · $26 Last $0.20 Breakeven $26.20 IV 182% Delta 0.08 (~8% ITM) Gamma 0.026 Theta -0.015 Vega 0.005 Open interest 5 Model this call Put · $26 In the money Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
9	2	182.7%	0.07	$0.10		—	—	—	—	0
Call · $27 Last $0.10 Breakeven $27.10 IV 182.7% Delta 0.07 (~7% ITM) Gamma 0.023 Theta -0.014 Vega 0.005 Open interest 9 Model this call Put · $27 In the money Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
90	4	193.7%	0.077	$0.15		—	—	—	—	0
Call · $28 Last $0.15 Breakeven $28.15 IV 193.7% Delta 0.077 (~8% ITM) Gamma 0.024 Theta -0.015 Vega 0.005 Open interest 90 Model this call Put · $28 In the money Last — Breakeven — IV — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

56 contracts expiring August 21, 2026. Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. In-the-money strikes are shaded and deepen toward the money; the strike nearest the underlying is highlighted, and the bar under each open-interest figure scales to the heaviest strike shown. Click any strike for its greeks, breakevens and to model it in the calculator on the market's own implied volatility. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1816590 CUSIP 20451W101 13F (30d) 41 filings 39 filers Visit website Investor relations