Structure Therapeutics (GPCR) Options Chain

NASDAQ: GPCRHealth CareBiotechnology: Pharmaceutical PreparationsUSD

25.54-0.13 (-0.51%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $25.54
Put/call ratio (OI): 0.22
Put/call ratio (volume): 0.48
ATM implied volatility: 96.4%
Expected move: ±$10.63
Open interest (C / P): 3.66K / 788

GPCR options summary

The GPCR options chain for the December 18, 2026 expiration lists 41 call and 27 put contracts, with 68 days until expiration. Open interest stands at 3,661 calls and 788 puts, a put/call ratio of 0.22, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $25.00 strike is 96.4%, which implies the market expects a move of about ±$10.63 (41.6%) in Structure Therapeutics stock by expiration.

The most open interest sits at the $70.00 call (1.25K contracts) and the $35.00 put (191 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

GPCR options chain · December 18, 2026

GPCR calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
12	10	—	31.33	30.30	34.50	17.50	0.40	2.60	1.00	120.7%	20	31
13	3	—	35.85	27.90	32.20	20.00	0.40	3.40	0.55	104.9%	4	68
—	—	—	—	—	—	22.50	0.30	4.50	2.18	90.1%	1	2
5	1	104.1%	23.68	3.40	6.20	25.00	3.10	4.10	3.64	88.7%	6	24
GPCR $25.54
0	2	6.3%	16.10	0.00	0.00	27.50	4.50	6.90	5.20	102.0%	15	23
35	1	96.7%	2.60	2.15	3.30	30.00	6.30	8.40	5.24	100.5%	8	39
8	1	108.9%	3.25	1.25	4.00	32.50	6.70	10.40	3.60	83.9%	1	55
55	34	106.8%	1.85	0.95	3.10	35.00	8.80	12.40	5.00	83.4%	1	191
37	10	109.6%	1.35	0.65	2.80	37.50	11.00	14.60	6.40	83.9%	4	52
134	2	113.4%	1.53	0.30	2.75	40.00	13.30	16.90	8.35	85.2%	1	150
59	20	108.8%	0.90	0.15	2.05	42.50	15.60	19.20	7.80	84.0%	6	11
40	1	127.0%	1.09	0.00	2.90	45.00	18.00	21.50	11.70	82.3%	1	18
31	4	132.4%	6.00	0.00	2.80	47.50	20.40	23.90	10.70	81.0%	5	5
70	4	136.4%	1.30	0.00	2.65	50.00	22.80	26.30	23.00	76.0%	1	28
10	2	141.6%	7.40	0.00	2.60	52.50	25.20	28.70	12.80	155.2%	4	4
861	1	146.2%	0.57	0.00	2.55	55.00	27.70	31.80	18.20	102.9%	25	32
40	10	150.6%	1.05	0.00	2.50	57.50	30.10	34.10	14.90	94.5%	—	5
77	1	154.5%	1.50	0.00	2.45	60.00	14.90	19.00	16.50	—	1	24
11	1	158.3%	6.20	0.00	2.40	62.50	8.00	13.00	15.30	—	—	1
92	1	162.6%	0.30	0.00	2.40	65.00	0.00	0.00	29.40	—	1	0
94	1	165.8%	1.75	0.00	2.35	67.50	21.50	25.80	21.55	—	5	6
1,247	19	169.7%	0.10	0.00	2.35	70.00	0.00	0.00	20.39	—	1	0
7	2	172.6%	2.40	0.00	2.30	72.50	44.90	49.00	30.60	202.1%	—	0
68	12	176.2%	0.25	0.00	2.30	75.00	26.90	31.00	25.40	—	3	18
17	1	179.6%	2.00	0.00	2.30	77.50	15.50	21.50	28.00	—	—	0
55	15	181.9%	1.43	0.00	2.25	80.00	52.40	56.50	53.10	213.0%	1	0
70	20	240.9%	3.40	0.90	4.90	82.50	—	—	—	—	—	—
72	12	188.1%	0.40	0.00	2.25	85.00	—	—	—	—	—	—
4	1	255.4%	2.60	1.50	4.90	87.50	—	—	—	—	—	—
38	5	192.9%	0.35	0.00	2.20	90.00	32.10	37.00	27.03	—	—	1
2	1	275.1%	2.05	2.55	4.90	92.50	—	—	—	—	—	—
18	1	227.7%	1.50	0.05	3.80	95.00	—	—	—	—	—	—
2	1	254.3%	1.75	0.55	4.90	97.50	—	—	—	—	—	—
52	5	203.2%	0.01	0.00	2.20	100.00	—	—	—	—	—	—
0	10	50.0%	1.49	0.00	0.00	105.00	—	—	—	—	—	—
13	15	211.3%	0.58	0.00	2.15	110.00	—	—	—	—	—	—
4	1	215.5%	0.30	0.00	2.15	115.00	—	—	—	—	—	—
13	1	219.5%	0.35	0.00	2.15	120.00	—	—	—	—	—	—
16	1	223.3%	0.30	0.00	2.15	125.00	—	—	—	—	—	—
207	1	226.9%	0.35	0.00	2.15	130.00	—	—	—	—	—	—
1	1	245.8%	1.05	0.00	2.90	135.00	—	—	—	—	—	—
71	5	233.8%	0.25	0.00	2.15	140.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the GPCR put/call ratio?

For the December 18, 2026 expiration, the GPCR put/call ratio based on open interest is 0.22 (788 puts vs 3,661 calls), and 0.48 based on today's volume. A ratio above 1 means more puts than calls.

What is GPCR's implied volatility?

At-the-money implied volatility for GPCR options expiring December 18, 2026 is about 96.4%, an annualized estimate of how much the market expects Structure Therapeutics stock to move.

How many GPCR option expiration dates are there?

GPCR has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.