GRAIL (GRAL) Options Chain

NASDAQ: GRALHealth CareMedical SpecialitiesUSD

140.58+7.97 (+6.01%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $140.58
Put/call ratio (OI): 1.50
Put/call ratio (volume): 0.63
ATM implied volatility: 94.8%
Expected move: ±$44.09
Open interest (C / P): 939 / 1.41K

GRAL options summary

The GRAL options chain for the November 20, 2026 expiration lists 25 call and 24 put contracts, with 40 days until expiration. Open interest stands at 939 calls and 1,408 puts, a put/call ratio of 1.50, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $140.00 strike is 94.8%, which implies the market expects a move of about ±$44.09 (31.4%) in GRAIL stock by expiration.

The most open interest sits at the $165.00 call (152 contracts) and the $145.00 put (217 contracts).

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

GRAL options chain · November 20, 2026

GRAL 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
—	—	—	—	—	—	40.00	0.00	0.05	0.05	134.4%	14	88
—	—	—	—	—	—	45.00	0.00	2.20	1.75	206.6%	3	3
0	2	138.3%	70.00	88.70	92.80	50.00	0.05	2.20	0.33	189.8%	—	1
—	—	—	—	—	—	55.00	0.00	2.25	1.20	173.8%	5	7
—	—	—	—	—	—	65.00	0.00	2.35	1.05	147.4%	1	5
—	—	—	—	—	—	70.00	0.00	2.40	0.63	135.6%	1	19
9	5	109.8%	40.15	64.40	68.10	75.00	0.00	2.00	0.77	119.1%	5	47
20	5	106.6%	56.85	59.70	63.30	80.00	0.05	2.75	1.25	117.3%	2	94
17	1	104.3%	58.50	55.00	58.70	85.00	0.20	1.40	2.00	94.0%	1	96
34	1	102.0%	51.60	50.50	54.10	90.00	0.00	3.00	2.15	98.5%	13	195
23	1	100.3%	55.37	46.10	49.70	95.00	0.40	4.10	3.50	99.5%	5	80
69	1	100.4%	44.00	42.00	45.60	100.00	2.70	3.50	4.70	99.1%	11	133
4	2	99.5%	24.26	38.00	41.60	105.00	2.05	4.90	3.60	92.5%	6	56
16	1	98.2%	30.40	34.10	37.80	110.00	2.90	7.00	4.50	94.8%	3	46
44	2	97.7%	33.32	30.50	34.30	115.00	4.30	6.80	5.90	88.4%	1	13
15	2	97.3%	29.87	27.20	31.00	120.00	5.90	9.90	7.82	93.3%	6	53
14	5	96.5%	26.24	24.00	27.90	125.00	8.00	11.90	9.00	93.9%	1	22
25	1	95.8%	21.13	21.10	25.00	130.00	9.90	14.00	17.00	92.8%	1	20
43	2	97.5%	20.10	19.80	21.80	135.00	12.80	16.00	15.30	92.9%	16	32
73	12	97.5%	18.68	17.00	20.00	140.00	14.90	18.90	17.60	92.0%	20	163
GRAL $140.58
22	8	95.3%	15.78	14.10	17.90	145.00	17.80	21.80	21.80	92.0%	2	217
49	14	94.8%	15.50	12.10	15.90	150.00	20.90	24.80	26.50	91.7%	1	13
21	10	94.5%	12.00	10.30	14.20	155.00	—	—	—	—	—	—
59	11	94.5%	10.95	8.70	12.80	160.00	27.60	31.50	32.10	91.1%	6	3
152	20	94.2%	9.40	7.30	11.40	165.00	—	—	—	—	—	—
26	60	94.5%	8.40	6.20	10.20	170.00	—	—	—	—	—	—
41	11	94.2%	4.68	5.00	9.20	175.00	39.00	42.80	35.00	90.4%	3	2
125	13	94.4%	4.30	4.10	8.30	180.00	—	—	—	—	—	—
14	11	88.1%	6.00	3.50	5.50	185.00	—	—	—	—	—	—
24	1	91.0%	4.77	2.65	5.80	190.00	—	—	—	—	—	—

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 GRAL put/call ratio?

For the November 20, 2026 expiration, the GRAL put/call ratio based on open interest is 1.50 (1,408 puts vs 939 calls), and 0.63 based on today's volume. A ratio above 1 means more puts than calls.

What is GRAL's implied volatility?

At-the-money implied volatility for GRAL options expiring November 20, 2026 is about 94.8%, an annualized estimate of how much the market expects GRAIL stock to move.

How many GRAL option expiration dates are there?

GRAL has 5 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.