GPCR · Structure Therapeutics Inc.

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$49.12 -1.68 (-3.31%) At close · Jul 24

Market Cap

$10.47B

213.22M

Options Chain

15-min delayed Underlying $49.12 · at close Jul 24, 2026 Options Calculator

Positioning

Aug 21, 2026 · 25 days to expiry · 38 contracts

Put / call OI

0.32

Call-heavy positioning

Open interest

912

contracts outstanding

Volume

123

traded today

Max pain

$47.50

$1.62 below spot

ATM implied vol

87.5%

market's expected move

Open interest by strike

Calls Puts

27.5

32.5

37.5

42.5

47.5

52.5

57.5

62.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 25d Sep 18 53d Oct 16 81d Dec 18 144d Jan 15 172d Jan 21 543d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
5	5	151%	0.971	$26.65		—	-0.075	225.8%	—	0
Call · $25 In the money Last $26.65 Breakeven $51.65 Implied vol 151% Delta 0.971 ≈97% ITM Gamma 0.003 Theta -0.028 Vega 0.009 Open interest 5 Model this call Put · $25 Last — Breakeven — Implied vol 225.8% Delta -0.075 ≈8% ITM Gamma 0.005 Theta -0.082 Vega 0.016 Open interest 0 Model this put
0	—	121.4%	0.977	—		—	-0.048	151.8%	—	0
Call · $27.5 In the money Last — Breakeven — Implied vol 121.4% Delta 0.977 ≈98% ITM Gamma 0.003 Theta -0.02 Vega 0.01 Open interest 0 Model this call Put · $27.5 Last — Breakeven — Implied vol 151.8% Delta -0.048 ≈5% ITM Gamma 0.005 Theta -0.039 Vega 0.017 Open interest 0 Model this put
0	—	119.1%	0.958	—		—	-0.052	129.1%	—	0
Call · $30 In the money Last — Breakeven — Implied vol 119.1% Delta 0.958 ≈96% ITM Gamma 0.006 Theta -0.03 Vega 0.01 Open interest 0 Model this call Put · $30 Last — Breakeven — Implied vol 129.1% Delta -0.052 ≈5% ITM Gamma 0.006 Theta -0.035 Vega 0.018 Open interest 0 Model this put
0	—	109.6%	0.943	—		—	-0.146	197.9%	—	0
Call · $32.5 In the money Last — Breakeven — Implied vol 109.6% Delta 0.943 ≈94% ITM Gamma 0.008 Theta -0.035 Vega 0.018 Open interest 0 Model this call Put · $32.5 Last — Breakeven — Implied vol 197.9% Delta -0.146 ≈15% ITM Gamma 0.009 Theta -0.115 Vega 0.027 Open interest 0 Model this put
0	—	103.2%	0.916	—		$0.75	-0.104	117.4%	1	4
Call · $35 In the money Last — Breakeven — Implied vol 103.2% Delta 0.916 ≈92% ITM Gamma 0.011 Theta -0.043 Vega 0.019 Open interest 0 Model this call Put · $35 Last $0.75 Breakeven $34.25 Implied vol 117.4% Delta -0.104 ≈10% ITM Gamma 0.012 Theta -0.054 Vega 0.029 Open interest 4 Model this put
0	—	95.6%	0.886	—		$0.65	-0.151	116.3%	3	9
Call · $37.5 In the money Last — Breakeven — Implied vol 95.6% Delta 0.886 ≈89% ITM Gamma 0.016 Theta -0.05 Vega 0.03 Open interest 0 Model this call Put · $37.5 Last $0.65 Breakeven $36.85 Implied vol 116.3% Delta -0.151 ≈15% ITM Gamma 0.015 Theta -0.068 Vega 0.03 Open interest 9 Model this put
1	5	102.5%	0.817	$15.30		$1.13	-0.164	91%	1	3
Call · $40 In the money Last $15.30 Breakeven $55.30 Implied vol 102.5% Delta 0.817 ≈82% ITM Gamma 0.02 Theta -0.073 Vega 0.031 Open interest 1 Model this call Put · $40 Last $1.13 Breakeven $38.87 Implied vol 91% Delta -0.164 ≈16% ITM Gamma 0.021 Theta -0.056 Vega 0.031 Open interest 3 Model this put
12	2	105.6%	0.747	$12.00		$2.80	-0.217	82.2%	7	68
Call · $42.5 In the money Last $12.00 Breakeven $54.50 Implied vol 105.6% Delta 0.747 ≈75% ITM Gamma 0.023 Theta -0.089 Vega 0.042 Open interest 12 Model this call Put · $42.5 Last $2.80 Breakeven $39.70 Implied vol 82.2% Delta -0.217 ≈22% ITM Gamma 0.028 Theta -0.06 Vega 0.042 Open interest 68 Model this put
38	2	99.5%	0.683	$6.00		$2.35	-0.3	81.8%	1	52
Call · $45 In the money Last $6.00 Breakeven $51.00 Implied vol 99.5% Delta 0.683 ≈68% ITM Gamma 0.028 Theta -0.094 Vega 0.049 Open interest 38 Model this call Put · $45 Last $2.35 Breakeven $42.65 Implied vol 81.8% Delta -0.3 ≈30% ITM Gamma 0.033 Theta -0.072 Vega 0.043 Open interest 52 Model this put
28	7	87.7%	0.607	$5.61		$3.25	-0.395	92.4%	1	50
Call · $47.5 In the money Last $5.61 Breakeven $53.11 Implied vol 87.7% Delta 0.607 ≈61% ITM Gamma 0.034 Theta -0.088 Vega 0.05 Open interest 28 Model this call Put · $47.5 Last $3.25 Breakeven $44.25 Implied vol 92.4% Delta -0.395 ≈39% ITM Gamma 0.032 Theta -0.088 Vega 0.05 Open interest 50 Model this put
Underlying $49.12
94	1	92.4%	0.525	$5.00		$5.60	-0.485	82.5%	5	24
Call · $50 Last $5.00 Breakeven $55.00 Implied vol 92.4% Delta 0.525 ≈52% ITM Gamma 0.033 Theta -0.096 Vega 0.052 Open interest 94 Model this call Put · $50 In the money Last $5.60 Breakeven $44.40 Implied vol 82.5% Delta -0.485 ≈48% ITM Gamma 0.037 Theta -0.082 Vega 0.052 Open interest 24 Model this put
39	2	92.1%	0.445	$3.95		—	-0.577	81.1%	—	0
Call · $52.5 Last $3.95 Breakeven $56.45 Implied vol 92.1% Delta 0.445 ≈44% ITM Gamma 0.033 Theta -0.095 Vega 0.053 Open interest 39 Model this call Put · $52.5 In the money Last — Breakeven — Implied vol 81.1% Delta -0.577 ≈58% ITM Gamma 0.038 Theta -0.078 Vega 0.053 Open interest 0 Model this put
94	25	111.3%	0.41	$3.17		—	-0.65	83.9%	—	0
Call · $55 Last $3.17 Breakeven $58.17 Implied vol 111.3% Delta 0.41 ≈41% ITM Gamma 0.027 Theta -0.113 Vega 0.048 Open interest 94 Model this call Put · $55 In the money Last — Breakeven — Implied vol 83.9% Delta -0.65 ≈65% ITM Gamma 0.034 Theta -0.076 Vega 0.048 Open interest 0 Model this put
121	1	94.2%	0.311	$2.67		—	-0.737	80.7%	—	0
Call · $57.5 Last $2.67 Breakeven $60.17 Implied vol 94.2% Delta 0.311 ≈31% ITM Gamma 0.029 Theta -0.086 Vega 0.049 Open interest 121 Model this call Put · $57.5 In the money Last — Breakeven — Implied vol 80.7% Delta -0.737 ≈74% ITM Gamma 0.032 Theta -0.064 Vega 0.037 Open interest 0 Model this put
66	1	96.3%	0.259	$2.20		$10.90	-0.772	87%	10	10
Call · $60 Last $2.20 Breakeven $62.20 Implied vol 96.3% Delta 0.259 ≈26% ITM Gamma 0.026 Theta -0.081 Vega 0.038 Open interest 66 Model this call Put · $60 In the money Last $10.90 Breakeven $49.10 Implied vol 87% Delta -0.772 ≈77% ITM Gamma 0.027 Theta -0.063 Vega 0.038 Open interest 10 Model this put
21	16	89.4%	0.188	$1.40		—	-0.876	73.1%	—	0
Call · $62.5 Last $1.40 Breakeven $63.90 Implied vol 89.4% Delta 0.188 ≈19% ITM Gamma 0.023 Theta -0.062 Vega 0.039 Open interest 21 Model this call Put · $62.5 In the money Last — Breakeven — Implied vol 73.1% Delta -0.876 ≈88% ITM Gamma 0.023 Theta -0.034 Vega 0.026 Open interest 0 Model this put
88	1	109.6%	0.211	$1.35		—	-0.878	83.1%	—	0
Call · $65 Last $1.35 Breakeven $66.35 Implied vol 109.6% Delta 0.211 ≈21% ITM Gamma 0.02 Theta -0.081 Vega 0.04 Open interest 88 Model this call Put · $65 In the money Last — Breakeven — Implied vol 83.1% Delta -0.878 ≈88% ITM Gamma 0.02 Theta -0.039 Vega 0.026 Open interest 0 Model this put
84	25	121.9%	0.174	$0.88		—	-0.935	84%	—	0
Call · $70 Last $0.88 Breakeven $70.88 Implied vol 121.9% Delta 0.174 ≈17% ITM Gamma 0.016 Theta -0.081 Vega 0.041 Open interest 84 Model this call Put · $70 In the money Last — Breakeven — Implied vol 84% Delta -0.935 ≈94% ITM Gamma 0.013 Theta -0.023 Vega 0.015 Open interest 0 Model this put
1	1	105%	0.083	$1.85		—	-0.985	76.9%	—	0
Call · $75 Last $1.85 Breakeven $76.85 Implied vol 105% Delta 0.083 ≈8% ITM Gamma 0.011 Theta -0.041 Vega 0.017 Open interest 1 Model this call Put · $75 In the money Last — Breakeven — Implied vol 76.9% Delta -0.985 ≈99% ITM Gamma 0.006 Theta -0.005 Vega 0.005 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 1888886 CUSIP 86366E106 13F (30d) 20 filings 20 filers Visit website Investor relations