INSM · INSMED Inc

Track INSM — free Ask ALVIS about INSM

$99.02 +0.27 (+0.27%) At close · Aug 5

Market Cap

$21.46B

216.75M

Options Chain

15-min delayed Underlying $99.02 · at close Aug 5, 2026 Options Calculator

Positioning

Aug 21, 2026 · 15 days to expiry · 86 contracts

Put / call OI

0.55

Call-heavy positioning

Open interest

33,694

contracts outstanding

Volume

6,623

traded today

Max pain

$110.00

$10.98 above spot

ATM implied vol

89.8%

market's expected move

Open interest by strike · near the money

Calls Puts

87.5

92.5

97.5

100

105

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Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 15d Sep 18 43d Nov 20 106d Jan 15 162d Feb 19 197d Mar 19 225d May 21 288d Aug 20 379d Nov 19 470d Jan 21 533d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
1	1	—	—	$61.70		—	-0.032	173.6%	—	0
Call · $55 In the money Last $61.70 Breakeven $116.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $55 Last — Breakeven — Implied vol 173.6% Delta -0.032 ≈3% ITM Gamma 0.002 Theta -0.082 Vega 0.015 Open interest 0 Model this put
0	—	—	—	—		$0.25	-0.039	154.9%	50	50
Call · $60 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $60 Last $0.25 Breakeven $59.75 Implied vol 154.9% Delta -0.039 ≈4% ITM Gamma 0.003 Theta -0.086 Vega 0.016 Open interest 50 Model this put
0	—	—	—	—		—	-0.036	125.8%	—	0
Call · $65 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $65 Last — Breakeven — Implied vol 125.8% Delta -0.036 ≈4% ITM Gamma 0.003 Theta -0.066 Vega 0.017 Open interest 0 Model this put
0	—	—	—	—		$0.25	-0.042	107.6%	2	0
Call · $70 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $70 Last $0.25 Breakeven $69.75 Implied vol 107.6% Delta -0.042 ≈4% ITM Gamma 0.004 Theta -0.064 Vega 0.017 Open interest 0 Model this put
0	4	—	—	$38.00		$0.45	-0.057	95.8%	1	7
Call · $75 In the money Last $38.00 Breakeven $113.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $75 Last $0.45 Breakeven $74.55 Implied vol 95.8% Delta -0.057 ≈6% ITM Gamma 0.006 Theta -0.073 Vega 0.031 Open interest 7 Model this put
20	10	59.4%	0.973	$19.60		$0.93	-0.102	93.1%	1.1k	70
Call · $80 In the money Last $19.60 Breakeven $99.60 Implied vol 59.4% Delta 0.973 ≈97% ITM Gamma 0.005 Theta -0.033 Vega 0.018 Open interest 20 Model this call Put · $80 Last $0.93 Breakeven $79.07 Implied vol 93.1% Delta -0.102 ≈10% ITM Gamma 0.009 Theta -0.11 Vega 0.032 Open interest 70 Model this put
2	1	76.3%	0.869	$25.20		$1.91	-0.178	96.3%	94	740
Call · $85 In the money Last $25.20 Breakeven $110.20 Implied vol 76.3% Delta 0.869 ≈87% ITM Gamma 0.014 Theta -0.115 Vega 0.05 Open interest 2 Model this call Put · $85 Last $1.91 Breakeven $83.09 Implied vol 96.3% Delta -0.178 ≈18% ITM Gamma 0.013 Theta -0.166 Vega 0.05 Open interest 740 Model this put
0	—	81.2%	0.814	—		$2.56	-0.211	93%	1	13
Call · $87.5 In the money Last — Breakeven — Implied vol 81.2% Delta 0.814 ≈81% ITM Gamma 0.016 Theta -0.153 Vega 0.051 Open interest 0 Model this call Put · $87.5 Last $2.56 Breakeven $84.94 Implied vol 93% Delta -0.211 ≈21% ITM Gamma 0.015 Theta -0.179 Vega 0.066 Open interest 13 Model this put
17	2	79.8%	0.767	$12.30		$3.10	-0.271	101.8%	1.1k	3.3k
Call · $90 In the money Last $12.30 Breakeven $102.30 Implied vol 79.8% Delta 0.767 ≈77% ITM Gamma 0.019 Theta -0.169 Vega 0.067 Open interest 17 Model this call Put · $90 Last $3.10 Breakeven $86.90 Implied vol 101.8% Delta -0.271 ≈27% ITM Gamma 0.016 Theta -0.222 Vega 0.067 Open interest 3.3k Model this put
4	1	82.8%	0.709	$12.13		$4.20	-0.306	93.8%	15	32
Call · $92.5 In the money Last $12.13 Breakeven $104.63 Implied vol 82.8% Delta 0.709 ≈71% ITM Gamma 0.02 Theta -0.196 Vega 0.068 Open interest 4 Model this call Put · $92.5 Last $4.20 Breakeven $88.30 Implied vol 93.8% Delta -0.306 ≈31% ITM Gamma 0.018 Theta -0.219 Vega 0.068 Open interest 32 Model this put
25	1	82.8%	0.654	$15.25		$5.70	-0.354	90.7%	2k	1.2k
Call · $95 In the money Last $15.25 Breakeven $110.25 Implied vol 82.8% Delta 0.654 ≈65% ITM Gamma 0.022 Theta -0.211 Vega 0.079 Open interest 25 Model this call Put · $95 Last $5.70 Breakeven $89.30 Implied vol 90.7% Delta -0.354 ≈35% ITM Gamma 0.02 Theta -0.222 Vega 0.079 Open interest 1.2k Model this put
28	1	90.3%	0.593	$8.61		$6.05	-0.407	91.3%	2	65
Call · $97.5 In the money Last $8.61 Breakeven $106.11 Implied vol 90.3% Delta 0.593 ≈59% ITM Gamma 0.021 Theta -0.239 Vega 0.08 Open interest 28 Model this call Put · $97.5 Last $6.05 Breakeven $91.45 Implied vol 91.3% Delta -0.407 ≈41% ITM Gamma 0.021 Theta -0.232 Vega 0.08 Open interest 65 Model this put
Underlying $99.02
1.2k	75	92%	0.541	$6.88		$7.43	-0.462	87.5%	134	1.8k
Call · $100 Last $6.88 Breakeven $106.88 Implied vol 92% Delta 0.541 ≈54% ITM Gamma 0.021 Theta -0.252 Vega 0.082 Open interest 1.2k Model this call Put · $100 In the money Last $7.43 Breakeven $92.57 Implied vol 87.5% Delta -0.462 ≈46% ITM Gamma 0.023 Theta -0.231 Vega 0.082 Open interest 1.8k Model this put
1.1k	138	93.4%	0.441	$5.09		$10.10	-0.557	95.1%	120	1.9k
Call · $105 Last $5.09 Breakeven $110.09 Implied vol 93.4% Delta 0.441 ≈44% ITM Gamma 0.021 Theta -0.25 Vega 0.084 Open interest 1.1k Model this call Put · $105 In the money Last $10.10 Breakeven $94.90 Implied vol 95.1% Delta -0.557 ≈56% ITM Gamma 0.02 Theta -0.245 Vega 0.084 Open interest 1.9k Model this put
3.5k	680	77.9%	0.309	$3.30		$14.50	-0.649	94.7%	3	2.1k
Call · $110 Last $3.30 Breakeven $113.30 Implied vol 77.9% Delta 0.309 ≈31% ITM Gamma 0.022 Theta -0.186 Vega 0.075 Open interest 3.5k Model this call Put · $110 In the money Last $14.50 Breakeven $95.50 Implied vol 94.7% Delta -0.649 ≈65% ITM Gamma 0.019 Theta -0.228 Vega 0.075 Open interest 2.1k Model this put
3k	190	82.2%	0.233	$2.26		$11.66	-0.722	98.1%	2	84
Call · $115 Last $2.26 Breakeven $117.26 Implied vol 82.2% Delta 0.233 ≈23% ITM Gamma 0.018 Theta -0.17 Vega 0.059 Open interest 3k Model this call Put · $115 In the money Last $11.66 Breakeven $103.34 Implied vol 98.1% Delta -0.722 ≈72% ITM Gamma 0.017 Theta -0.214 Vega 0.077 Open interest 84 Model this put
601	15	94.3%	0.204	$1.54		$24.00	-0.797	94.5%	1	28
Call · $120 Last $1.54 Breakeven $121.54 Implied vol 94.3% Delta 0.204 ≈20% ITM Gamma 0.015 Theta -0.179 Vega 0.06 Open interest 601 Model this call Put · $120 In the money Last $24.00 Breakeven $96.00 Implied vol 94.5% Delta -0.797 ≈80% ITM Gamma 0.015 Theta -0.169 Vega 0.06 Open interest 28 Model this put
548	106	84.1%	0.118	$0.84		$8.50	-0.823	105%	2	204
Call · $125 Last $0.84 Breakeven $125.84 Implied vol 84.1% Delta 0.118 ≈12% ITM Gamma 0.011 Theta -0.111 Vega 0.041 Open interest 548 Model this call Put · $125 In the money Last $8.50 Breakeven $116.50 Implied vol 105% Delta -0.823 ≈82% ITM Gamma 0.012 Theta -0.174 Vega 0.061 Open interest 204 Model this put
6.8k	100	83.6%	0.075	$0.50		$31.55	-0.849	112.1%	1	0
Call · $130 Last $0.50 Breakeven $130.50 Implied vol 83.6% Delta 0.075 ≈7% ITM Gamma 0.008 Theta -0.08 Vega 0.024 Open interest 6.8k Model this call Put · $130 In the money Last $31.55 Breakeven $98.45 Implied vol 112.1% Delta -0.849 ≈85% ITM Gamma 0.01 Theta -0.168 Vega 0.041 Open interest 0 Model this put
605	75	88%	0.06	$0.45		$24.50	-0.875	114.8%	1	7
Call · $135 Last $0.45 Breakeven $135.45 Implied vol 88% Delta 0.06 ≈6% ITM Gamma 0.007 Theta -0.07 Vega 0.025 Open interest 605 Model this call Put · $135 In the money Last $24.50 Breakeven $110.50 Implied vol 114.8% Delta -0.875 ≈88% ITM Gamma 0.009 Theta -0.148 Vega 0.042 Open interest 7 Model this put
1.1k	2	119.8%	0.109	$0.25		$40.25	-0.888	121.9%	1	153
Call · $140 Last $0.25 Breakeven $140.25 Implied vol 119.8% Delta 0.109 ≈11% ITM Gamma 0.008 Theta -0.149 Vega 0.043 Open interest 1.1k Model this call Put · $140 In the money Last $40.25 Breakeven $99.75 Implied vol 121.9% Delta -0.888 ≈89% ITM Gamma 0.008 Theta -0.145 Vega 0.043 Open interest 153 Model this put
34	2	105.1%	0.054	$1.23		$46.90	-0.909	125.3%	5	205
Call · $145 Last $1.23 Breakeven $146.23 Implied vol 105.1% Delta 0.054 ≈5% ITM Gamma 0.005 Theta -0.077 Vega 0.026 Open interest 34 Model this call Put · $145 In the money Last $46.90 Breakeven $98.10 Implied vol 125.3% Delta -0.909 ≈91% ITM Gamma 0.007 Theta -0.129 Vega 0.043 Open interest 205 Model this put
23	2	110.8%	0.048	$0.58		$57.90	-0.899	140.1%	100	90
Call · $150 Last $0.58 Breakeven $150.58 Implied vol 110.8% Delta 0.048 ≈5% ITM Gamma 0.004 Theta -0.073 Vega 0.026 Open interest 23 Model this call Put · $150 In the money Last $57.90 Breakeven $92.10 Implied vol 140.1% Delta -0.899 ≈90% ITM Gamma 0.006 Theta -0.156 Vega 0.044 Open interest 90 Model this put
222	3	118.2%	0.045	$0.10		$62.75	-0.905	147.6%	150	0
Call · $155 Last $0.10 Breakeven $155.10 Implied vol 118.2% Delta 0.045 ≈5% ITM Gamma 0.004 Theta -0.075 Vega 0.026 Open interest 222 Model this call Put · $155 In the money Last $62.75 Breakeven $92.25 Implied vol 147.6% Delta -0.905 ≈91% ITM Gamma 0.006 Theta -0.157 Vega 0.044 Open interest 0 Model this put
235	1	125.4%	0.043	$0.05		$20.63	-0.909	155.9%	3	0
Call · $160 Last $0.05 Breakeven $160.05 Implied vol 125.4% Delta 0.043 ≈4% ITM Gamma 0.004 Theta -0.077 Vega 0.027 Open interest 235 Model this call Put · $160 In the money Last $20.63 Breakeven $139.37 Implied vol 155.9% Delta -0.909 ≈91% ITM Gamma 0.005 Theta -0.162 Vega 0.042 Open interest 0 Model this put
713	1	134.2%	0.045	$0.37		$34.20	-0.914	161%	2	0
Call · $165 Last $0.37 Breakeven $165.37 Implied vol 134.2% Delta 0.045 ≈5% ITM Gamma 0.003 Theta -0.085 Vega 0.027 Open interest 713 Model this call Put · $165 In the money Last $34.20 Breakeven $130.80 Implied vol 161% Delta -0.914 ≈91% ITM Gamma 0.005 Theta -0.159 Vega 0.027 Open interest 0 Model this put
1.4k	1	137.8%	0.04	$1.00		$27.00	-0.919	165.6%	200	0
Call · $170 Last $1.00 Breakeven $171.00 Implied vol 137.8% Delta 0.04 ≈4% ITM Gamma 0.003 Theta -0.08 Vega 0.014 Open interest 1.4k Model this call Put · $170 In the money Last $27.00 Breakeven $143.00 Implied vol 165.6% Delta -0.919 ≈92% ITM Gamma 0.005 Theta -0.155 Vega 0.027 Open interest 0 Model this put
24	4	143.3%	0.039	$2.00		$31.50	-0.919	173.8%	1	0
Call · $175 Last $2.00 Breakeven $177.00 Implied vol 143.3% Delta 0.039 ≈4% ITM Gamma 0.003 Theta -0.081 Vega 0.014 Open interest 24 Model this call Put · $175 In the money Last $31.50 Breakeven $143.50 Implied vol 173.8% Delta -0.919 ≈92% ITM Gamma 0.004 Theta -0.163 Vega 0.027 Open interest 0 Model this put
79	6	148.6%	0.038	$2.16		$72.70	-0.921	180%	1	0
Call · $180 Last $2.16 Breakeven $182.16 Implied vol 148.6% Delta 0.038 ≈4% ITM Gamma 0.003 Theta -0.081 Vega 0.014 Open interest 79 Model this call Put · $180 In the money Last $72.70 Breakeven $107.30 Implied vol 180% Delta -0.921 ≈92% ITM Gamma 0.004 Theta -0.165 Vega 0.028 Open interest 0 Model this put
4	1	153.8%	0.037	$0.15		$39.50	-0.923	186%	2	0
Call · $185 Last $0.15 Breakeven $185.15 Implied vol 153.8% Delta 0.037 ≈4% ITM Gamma 0.003 Theta -0.082 Vega 0.014 Open interest 4 Model this call Put · $185 In the money Last $39.50 Breakeven $145.50 Implied vol 186% Delta -0.923 ≈92% ITM Gamma 0.004 Theta -0.167 Vega 0.028 Open interest 0 Model this put
21	3	158.8%	0.036	$1.45		$49.00	-0.925	191.8%	1	0
Call · $190 Last $1.45 Breakeven $191.45 Implied vol 158.8% Delta 0.036 ≈4% ITM Gamma 0.002 Theta -0.083 Vega 0.015 Open interest 21 Model this call Put · $190 In the money Last $49.00 Breakeven $141.00 Implied vol 191.8% Delta -0.925 ≈92% ITM Gamma 0.004 Theta -0.169 Vega 0.028 Open interest 0 Model this put
162	2	163.7%	0.035	$0.68		$90.80	-0.926	197.5%	3	0
Call · $195 Last $0.68 Breakeven $195.68 Implied vol 163.7% Delta 0.035 ≈3% ITM Gamma 0.002 Theta -0.083 Vega 0.015 Open interest 162 Model this call Put · $195 In the money Last $90.80 Breakeven $104.20 Implied vol 197.5% Delta -0.926 ≈93% ITM Gamma 0.004 Theta -0.171 Vega 0.029 Open interest 0 Model this put
53	7	168.5%	0.034	$1.06		$95.77	-0.928	203%	3	0
Call · $200 Last $1.06 Breakeven $201.06 Implied vol 168.5% Delta 0.034 ≈3% ITM Gamma 0.002 Theta -0.084 Vega 0.015 Open interest 53 Model this call Put · $200 In the money Last $95.77 Breakeven $104.23 Implied vol 203% Delta -0.928 ≈93% ITM Gamma 0.003 Theta -0.173 Vega 0.029 Open interest 0 Model this put
20	1	177.7%	0.033	$0.60		—	-0.932	212%	—	0
Call · $210 Last $0.60 Breakeven $210.60 Implied vol 177.7% Delta 0.033 ≈3% ITM Gamma 0.002 Theta -0.085 Vega 0.015 Open interest 20 Model this call Put · $210 In the money Last — Breakeven — Implied vol 212% Delta -0.932 ≈93% ITM Gamma 0.003 Theta -0.171 Vega 0.029 Open interest 0 Model this put
21	1	186.5%	0.031	$0.38		—	-0.935	222.3%	—	0
Call · $220 Last $0.38 Breakeven $220.38 Implied vol 186.5% Delta 0.031 ≈3% ITM Gamma 0.002 Theta -0.087 Vega 0.016 Open interest 21 Model this call Put · $220 In the money Last — Breakeven — Implied vol 222.3% Delta -0.935 ≈93% ITM Gamma 0.003 Theta -0.175 Vega 0.03 Open interest 0 Model this put
17	2	195%	0.03	$0.65		—	-0.934	233.7%	—	0
Call · $230 Last $0.65 Breakeven $230.65 Implied vol 195% Delta 0.03 ≈3% ITM Gamma 0.002 Theta -0.088 Vega 0.016 Open interest 17 Model this call Put · $230 In the money Last — Breakeven — Implied vol 233.7% Delta -0.934 ≈93% ITM Gamma 0.003 Theta -0.185 Vega 0.03 Open interest 0 Model this put
14	2	203%	0.029	$2.30		—	-0.938	241.5%	—	0
Call · $240 Last $2.30 Breakeven $242.30 Implied vol 203% Delta 0.029 ≈3% ITM Gamma 0.002 Theta -0.089 Vega 0.016 Open interest 14 Model this call Put · $240 In the money Last — Breakeven — Implied vol 241.5% Delta -0.938 ≈94% ITM Gamma 0.003 Theta -0.182 Vega 0.031 Open interest 0 Model this put
101	1	210.8%	0.028	$1.45		—	-0.939	250.5%	—	0
Call · $250 Last $1.45 Breakeven $251.45 Implied vol 210.8% Delta 0.028 ≈3% ITM Gamma 0.001 Theta -0.09 Vega 0.016 Open interest 101 Model this call Put · $250 In the money Last — Breakeven — Implied vol 250.5% Delta -0.939 ≈94% ITM Gamma 0.002 Theta -0.186 Vega 0.031 Open interest 0 Model this put
6	6	218.3%	0.028	$1.90		—	-0.941	259.2%	—	0
Call · $260 Last $1.90 Breakeven $261.90 Implied vol 218.3% Delta 0.028 ≈3% ITM Gamma 0.001 Theta -0.092 Vega 0.017 Open interest 6 Model this call Put · $260 In the money Last — Breakeven — Implied vol 259.2% Delta -0.941 ≈94% ITM Gamma 0.002 Theta -0.19 Vega 0.032 Open interest 0 Model this put
7	4	225.5%	0.027	$4.00		—	-0.942	267.5%	—	0
Call · $270 Last $4.00 Breakeven $274.00 Implied vol 225.5% Delta 0.027 ≈3% ITM Gamma 0.001 Theta -0.093 Vega 0.017 Open interest 7 Model this call Put · $270 In the money Last — Breakeven — Implied vol 267.5% Delta -0.942 ≈94% ITM Gamma 0.002 Theta -0.193 Vega 0.032 Open interest 0 Model this put
1	1	232.4%	0.026	$1.71		—	-0.943	275.5%	—	0
Call · $280 Last $1.71 Breakeven $281.71 Implied vol 232.4% Delta 0.026 ≈3% ITM Gamma 0.001 Theta -0.094 Vega 0.017 Open interest 1 Model this call Put · $280 In the money Last — Breakeven — Implied vol 275.5% Delta -0.943 ≈94% ITM Gamma 0.002 Theta -0.197 Vega 0.032 Open interest 0 Model this put
0	2	239.1%	0.026	$1.55		—	-0.944	283.3%	—	0
Call · $290 Last $1.55 Breakeven $291.55 Implied vol 239.1% Delta 0.026 ≈3% ITM Gamma 0.001 Theta -0.095 Vega 0.018 Open interest 0 Model this call Put · $290 In the money Last — Breakeven — Implied vol 283.3% Delta -0.944 ≈94% ITM Gamma 0.002 Theta -0.2 Vega 0.032 Open interest 0 Model this put
5	1	245.6%	0.025	$1.28		—	-0.944	290.8%	—	0
Call · $300 Last $1.28 Breakeven $301.28 Implied vol 245.6% Delta 0.025 ≈3% ITM Gamma 0.001 Theta -0.096 Vega 0.018 Open interest 5 Model this call Put · $300 In the money Last — Breakeven — Implied vol 290.8% Delta -0.944 ≈94% ITM Gamma 0.002 Theta -0.203 Vega 0.031 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. 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. The 25 strikes around the money are shown by default — switch to "All 43" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1104506 CUSIP 457669307 13F (30d) 229 filings 225 filers Visit website Investor relations