ICLR · Icon PLC

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$165.76 -4.56 (-2.68%) At close · Jul 24

Market Cap

$12.79B

77.15M

Options Chain

15-min delayed Underlying $165.76 · at close Jul 24, 2026 Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 54 contracts

Put / call OI

1.43

Put-heavy positioning

Open interest

4,124

contracts outstanding

Volume

1,508

traded today

Max pain

$170.00

$4.24 above spot

ATM implied vol

54%

market's expected move

Open interest by strike

Calls Puts

100

105

110

115

120

125

130

135

140

145

150

155

160

165

170

175

180

185

190

195

200

210

220

230

240

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 27d Sep 18 55d Oct 16 83d Dec 18 146d Jan 15 174d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	0.2%	1	—		—	-0.022	123.6%	—	0
Call · $90 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.009 Vega 0 Open interest 0 Model this call Put · $90 Last — Breakeven — Implied vol 123.6% Delta -0.022 ≈2% ITM Gamma 0.001 Theta -0.054 Vega 0.033 Open interest 0 Model this put
0	—	0.2%	1	—		—	-0.027	116.6%	—	0
Call · $95 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.009 Vega 0 Open interest 0 Model this call Put · $95 Last — Breakeven — Implied vol 116.6% Delta -0.027 ≈3% ITM Gamma 0.001 Theta -0.06 Vega 0.034 Open interest 0 Model this put
0	—	0.2%	1	—		—	-0.024	102.8%	—	0
Call · $100 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.01 Vega 0 Open interest 0 Model this call Put · $100 Last — Breakeven — Implied vol 102.8% Delta -0.024 ≈2% ITM Gamma 0.001 Theta -0.048 Vega 0.035 Open interest 0 Model this put
0	—	89.7%	0.979	—		—	-0.024	92.4%	—	0
Call · $105 In the money Last — Breakeven — Implied vol 89.7% Delta 0.979 ≈98% ITM Gamma 0.001 Theta -0.048 Vega 0.018 Open interest 0 Model this call Put · $105 Last — Breakeven — Implied vol 92.4% Delta -0.024 ≈2% ITM Gamma 0.001 Theta -0.044 Vega 0.036 Open interest 0 Model this put
0	—	0.2%	1	—		—	-0.029	85.3%	—	0
Call · $110 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.011 Vega 0 Open interest 0 Model this call Put · $110 Last — Breakeven — Implied vol 85.3% Delta -0.029 ≈3% ITM Gamma 0.002 Theta -0.046 Vega 0.037 Open interest 0 Model this put
0	—	0.2%	1	—		—	-0.036	79.9%	—	0
Call · $115 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.011 Vega 0 Open interest 0 Model this call Put · $115 Last — Breakeven — Implied vol 79.9% Delta -0.036 ≈4% ITM Gamma 0.002 Theta -0.052 Vega 0.038 Open interest 0 Model this put
0	—	51.3%	0.992	—		—	-0.037	70.8%	—	0
Call · $120 In the money Last — Breakeven — Implied vol 51.3% Delta 0.992 ≈99% ITM Gamma 0.001 Theta -0.021 Vega 0.008 Open interest 0 Model this call Put · $120 Last — Breakeven — Implied vol 70.8% Delta -0.037 ≈4% ITM Gamma 0.003 Theta -0.047 Vega 0.038 Open interest 0 Model this put
0	—	51%	0.983	—		—	-0.048	66.5%	—	0
Call · $125 In the money Last — Breakeven — Implied vol 51% Delta 0.983 ≈98% ITM Gamma 0.002 Theta -0.03 Vega 0.019 Open interest 0 Model this call Put · $125 Last — Breakeven — Implied vol 66.5% Delta -0.048 ≈5% ITM Gamma 0.003 Theta -0.055 Vega 0.039 Open interest 0 Model this put
0	—	55.2%	0.956	—		$1.23	-0.064	63.2%	10	10
Call · $130 In the money Last — Breakeven — Implied vol 55.2% Delta 0.956 ≈96% ITM Gamma 0.004 Theta -0.055 Vega 0.04 Open interest 0 Model this call Put · $130 Last $1.23 Breakeven $128.77 Implied vol 63.2% Delta -0.064 ≈6% ITM Gamma 0.004 Theta -0.065 Vega 0.069 Open interest 10 Model this put
0	—	54.4%	0.93	—		$1.40	-0.093	61.6%	1	1
Call · $135 In the money Last — Breakeven — Implied vol 54.4% Delta 0.93 ≈93% ITM Gamma 0.005 Theta -0.073 Vega 0.07 Open interest 0 Model this call Put · $135 Last $1.40 Breakeven $133.60 Implied vol 61.6% Delta -0.093 ≈9% ITM Gamma 0.006 Theta -0.084 Vega 0.071 Open interest 1 Model this put
4	4	53.5%	0.895	$37.79		$1.69	-0.121	58%	513	1k
Call · $140 In the money Last $37.79 Breakeven $177.79 Implied vol 53.5% Delta 0.895 ≈90% ITM Gamma 0.008 Theta -0.094 Vega 0.072 Open interest 4 Model this call Put · $140 Last $1.69 Breakeven $138.31 Implied vol 58% Delta -0.121 ≈12% ITM Gamma 0.008 Theta -0.096 Vega 0.108 Open interest 1k Model this put
4	3	56.4%	0.832	$12.70		$13.10	-0.148	51.1%	3	10
Call · $145 In the money Last $12.70 Breakeven $157.70 Implied vol 56.4% Delta 0.832 ≈83% ITM Gamma 0.01 Theta -0.13 Vega 0.11 Open interest 4 Model this call Put · $145 Last $13.10 Breakeven $131.90 Implied vol 51.1% Delta -0.148 ≈15% ITM Gamma 0.01 Theta -0.096 Vega 0.11 Open interest 10 Model this put
0	—	56.2%	0.772	—		$3.39	-0.22	53.7%	1	115
Call · $150 In the money Last — Breakeven — Implied vol 56.2% Delta 0.772 ≈77% ITM Gamma 0.012 Theta -0.153 Vega 0.147 Open interest 0 Model this call Put · $150 Last $3.39 Breakeven $146.61 Implied vol 53.7% Delta -0.22 ≈22% ITM Gamma 0.012 Theta -0.13 Vega 0.147 Open interest 115 Model this put
5	8	57.7%	0.699	$14.90		$5.50	-0.287	51.5%	1	6
Call · $155 In the money Last $14.90 Breakeven $169.90 Implied vol 57.7% Delta 0.699 ≈70% ITM Gamma 0.013 Theta -0.179 Vega 0.15 Open interest 5 Model this call Put · $155 Last $5.50 Breakeven $149.50 Implied vol 51.5% Delta -0.287 ≈29% ITM Gamma 0.015 Theta -0.142 Vega 0.15 Open interest 6 Model this put
2	3	54.2%	0.63	$15.58		$6.31	-0.369	52.3%	20	136
Call · $160 In the money Last $15.58 Breakeven $175.58 Implied vol 54.2% Delta 0.63 ≈63% ITM Gamma 0.015 Theta -0.18 Vega 0.175 Open interest 2 Model this call Put · $160 Last $6.31 Breakeven $153.69 Implied vol 52.3% Delta -0.369 ≈37% ITM Gamma 0.016 Theta -0.159 Vega 0.175 Open interest 136 Model this put
46	1	55.3%	0.549	$12.25		$7.40	-0.453	52.7%	513	1k
Call · $165 In the money Last $12.25 Breakeven $177.25 Implied vol 55.3% Delta 0.549 ≈55% ITM Gamma 0.016 Theta -0.193 Vega 0.178 Open interest 46 Model this call Put · $165 Last $7.40 Breakeven $157.60 Implied vol 52.7% Delta -0.453 ≈45% ITM Gamma 0.017 Theta -0.169 Vega 0.178 Open interest 1k Model this put
Underlying $165.76
88	325	55.4%	0.471	$8.40		$11.70	-0.537	52%	11	73
Call · $170 Last $8.40 Breakeven $178.40 Implied vol 55.4% Delta 0.471 ≈47% ITM Gamma 0.016 Theta -0.191 Vega 0.182 Open interest 88 Model this call Put · $170 In the money Last $11.70 Breakeven $158.30 Implied vol 52% Delta -0.537 ≈54% ITM Gamma 0.017 Theta -0.164 Vega 0.182 Open interest 73 Model this put
38	1	57.2%	0.399	$7.00		$12.30	-0.62	51.9%	9	24
Call · $175 Last $7.00 Breakeven $182.00 Implied vol 57.2% Delta 0.399 ≈40% ITM Gamma 0.015 Theta -0.193 Vega 0.185 Open interest 38 Model this call Put · $175 In the money Last $12.30 Breakeven $162.70 Implied vol 51.9% Delta -0.62 ≈62% ITM Gamma 0.017 Theta -0.158 Vega 0.162 Open interest 24 Model this put
111	2	55.8%	0.329	$4.83		$15.50	-0.688	52.6%	1	4
Call · $180 Last $4.83 Breakeven $184.83 Implied vol 55.8% Delta 0.329 ≈33% ITM Gamma 0.014 Theta -0.173 Vega 0.165 Open interest 111 Model this call Put · $180 In the money Last $15.50 Breakeven $164.50 Implied vol 52.6% Delta -0.688 ≈69% ITM Gamma 0.015 Theta -0.145 Vega 0.164 Open interest 4 Model this put
155	50	55.2%	0.26	$4.15		—	-0.765	50.7%	—	0
Call · $185 Last $4.15 Breakeven $189.15 Implied vol 55.2% Delta 0.26 ≈26% ITM Gamma 0.013 Theta -0.156 Vega 0.167 Open interest 155 Model this call Put · $185 In the money Last — Breakeven — Implied vol 50.7% Delta -0.765 ≈77% ITM Gamma 0.014 Theta -0.12 Vega 0.127 Open interest 0 Model this put
66	1	55.7%	0.212	$5.29		—	-0.815	51.8%	—	0
Call · $190 Last $5.29 Breakeven $195.29 Implied vol 55.7% Delta 0.212 ≈21% ITM Gamma 0.012 Theta -0.138 Vega 0.13 Open interest 66 Model this call Put · $190 In the money Last — Breakeven — Implied vol 51.8% Delta -0.815 ≈81% ITM Gamma 0.012 Theta -0.104 Vega 0.128 Open interest 0 Model this put
23	6	54.2%	0.154	$4.17		—	-0.867	51.2%	—	0
Call · $195 Last $4.17 Breakeven $199.17 Implied vol 54.2% Delta 0.154 ≈15% ITM Gamma 0.01 Theta -0.111 Vega 0.132 Open interest 23 Model this call Put · $195 In the money Last — Breakeven — Implied vol 51.2% Delta -0.867 ≈87% ITM Gamma 0.01 Theta -0.081 Vega 0.086 Open interest 0 Model this put
136	20	59.3%	0.143	$1.50		—	-0.908	50.5%	—	0
Call · $200 Last $1.50 Breakeven $201.50 Implied vol 59.3% Delta 0.143 ≈14% ITM Gamma 0.008 Theta -0.115 Vega 0.089 Open interest 136 Model this call Put · $200 In the money Last — Breakeven — Implied vol 50.5% Delta -0.908 ≈91% ITM Gamma 0.008 Theta -0.059 Vega 0.083 Open interest 0 Model this put
1k	1	64.1%	0.106	$1.36		—	-0.959	50.8%	—	0
Call · $210 Last $1.36 Breakeven $211.36 Implied vol 64.1% Delta 0.106 ≈11% ITM Gamma 0.006 Theta -0.099 Vega 0.092 Open interest 1k Model this call Put · $210 In the money Last — Breakeven — Implied vol 50.8% Delta -0.959 ≈96% ITM Gamma 0.005 Theta -0.028 Vega 0.042 Open interest 0 Model this put
0	—	66.7%	0.073	—		—	-0.975	56%	—	0
Call · $220 Last — Breakeven — Implied vol 66.7% Delta 0.073 ≈7% ITM Gamma 0.005 Theta -0.078 Vega 0.054 Open interest 0 Model this call Put · $220 In the money Last — Breakeven — Implied vol 56% Delta -0.975 ≈98% ITM Gamma 0.004 Theta -0.021 Vega 0.022 Open interest 0 Model this put
0	—	68%	0.047	—		—	-0.977	62.9%	—	0
Call · $230 Last — Breakeven — Implied vol 68% Delta 0.047 ≈5% ITM Gamma 0.003 Theta -0.056 Vega 0.056 Open interest 0 Model this call Put · $230 In the money Last — Breakeven — Implied vol 62.9% Delta -0.977 ≈98% ITM Gamma 0.003 Theta -0.021 Vega 0.021 Open interest 0 Model this put
0	—	71.3%	0.035	—		—	-0.994	63.3%	—	0
Call · $240 Last — Breakeven — Implied vol 71.3% Delta 0.035 ≈3% ITM Gamma 0.002 Theta -0.046 Vega 0.028 Open interest 0 Model this call Put · $240 In the money Last — Breakeven — Implied vol 63.3% Delta -0.994 ≈99% ITM Gamma 0.002 Theta -0.005 Vega 0.011 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. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1060955 CUSIP G4705A100 13F (30d) 86 filings 76 filers Visit website Investor relations