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: Jan 15, 2027
Days to expiration: 96
Share price: $140.58
Put/call ratio (OI): 0.52
Put/call ratio (volume): 0.57
ATM implied volatility: 86.0%
Expected move: ±$61.98
Open interest (C / P): 5.99K / 3.11K

GRAL options summary

The GRAL options chain for the January 15, 2027 expiration lists 44 call and 36 put contracts, with 96 days until expiration. Open interest stands at 5,987 calls and 3,108 puts, a put/call ratio of 0.52, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $140.00 strike is 86.0%, which implies the market expects a move of about ±$61.98 (44.1%) in GRAIL stock by expiration.

The most open interest sits at the $110.00 call (671 contracts) and the $80.00 put (629 contracts).

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

GRAL options chain · January 15, 2027

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
5	2	902.3%	94.00	135.50	140.30	2.50	0.00	2.55	0.09	618.8%	2	2
3	2	—	58.57	54.50	58.70	5.00	0.00	0.00	0.16	50.0%	2	0
30	10	440.8%	89.00	130.50	135.30	7.50	0.00	2.50	1.00	373.6%	10	0
117	3	377.8%	86.50	128.10	132.70	10.00	0.00	0.70	0.15	255.9%	1	64
7	2	347.4%	122.00	125.60	130.40	12.50	0.00	2.15	0.05	286.5%	1	14
47	1	308.8%	145.10	123.30	127.70	15.00	0.00	0.00	1.01	50.0%	2	0
22	19	—	65.75	84.00	89.00	17.50	0.00	0.00	1.70	50.0%	3	0
144	1	149.2%	98.00	118.50	122.80	20.00	0.00	0.00	1.36	50.0%	41	0
0	1	—	47.59	0.00	0.00	22.50	0.00	4.00	1.00	244.4%	1	6
96	7	147.5%	90.40	113.90	117.60	25.00	0.00	2.15	0.20	199.9%	1	123
382	74	140.9%	92.36	109.00	112.70	30.00	0.00	1.00	0.05	155.3%	1	204
321	1	130.5%	99.65	104.10	107.70	35.00	0.00	2.20	0.42	162.2%	4	99
287	3	123.5%	102.60	99.20	102.80	40.00	0.00	2.20	1.70	147.3%	2	155
69	1	118.6%	115.00	94.30	98.00	45.00	0.00	2.30	1.20	135.6%	1	131
218	1	111.5%	80.00	89.30	93.20	50.00	0.00	2.40	0.88	125.1%	5	119
49	1	109.6%	82.70	84.70	88.40	55.00	0.00	2.55	1.70	116.1%	5	53
170	30	106.3%	80.60	80.00	83.70	60.00	0.10	2.80	0.81	109.5%	3	144
248	1	103.1%	79.05	75.40	79.00	65.00	0.00	3.10	1.61	102.0%	2	41
178	4	101.1%	64.00	70.90	74.50	70.00	0.55	3.50	2.00	99.9%	10	133
264	10	98.2%	62.70	66.30	70.10	75.00	1.30	3.90	2.55	98.0%	4	91
192	4	96.9%	61.50	62.10	65.80	80.00	0.65	4.50	6.60	89.5%	10	629
325	1	95.9%	50.50	58.00	61.70	85.00	1.65	5.50	4.00	90.4%	3	159
141	5	95.3%	47.10	54.10	57.80	90.00	3.20	6.00	5.40	90.0%	3	370
252	5	94.3%	53.40	50.30	54.00	95.00	3.90	6.80	6.80	86.8%	12	83
173	6	93.1%	50.50	46.60	50.30	100.00	5.30	8.40	7.55	87.5%	4	71
40	1	92.4%	36.83	43.10	46.90	105.00	6.70	10.30	8.90	87.8%	1	14
671	2	91.7%	42.43	39.80	43.60	110.00	7.90	11.90	10.00	86.0%	2	76
117	1	91.1%	33.50	36.70	40.50	115.00	9.70	13.80	14.60	85.6%	1	88
136	4	90.2%	28.55	33.70	37.50	120.00	12.10	15.80	14.74	85.9%	1	32
35	5	89.6%	25.00	30.90	34.70	125.00	13.90	18.00	16.00	84.6%	1	20
136	3	89.0%	30.84	28.30	32.10	130.00	16.20	20.30	18.50	83.9%	1	22
280	12	88.7%	28.40	25.90	29.70	135.00	18.90	22.90	22.45	83.9%	1	5
85	5	88.5%	25.50	25.00	26.20	140.00	21.60	25.60	25.10	83.5%	5	29
GRAL $140.58
20	2	88.1%	23.99	21.60	25.40	145.00	24.50	28.40	26.49	83.0%	2	13
164	6	87.7%	21.92	19.60	23.50	150.00	—	—	—	—	—	—
123	6	88.1%	17.22	18.20	21.70	155.00	30.70	34.60	37.30	82.2%	2	60
71	6	88.1%	18.69	16.50	20.20	160.00	34.10	38.10	62.50	82.3%	2	58
200	9	87.4%	17.00	14.70	18.70	165.00	—	—	—	—	—	—
68	5	87.4%	13.40	13.30	17.40	170.00	—	—	—	—	—	—
13	2	87.6%	13.90	12.10	16.20	175.00	—	—	—	—	—	—
38	1	87.5%	9.70	11.00	15.00	180.00	—	—	—	—	—	—
12	1	87.8%	12.95	9.90	14.10	185.00	—	—	—	—	—	—
18	1	85.3%	11.35	9.00	11.80	190.00	—	—	—	—	—	—
20	1	86.8%	6.80	6.30	9.00	210.00	—	—	—	—	—	—

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 January 15, 2027 expiration, the GRAL put/call ratio based on open interest is 0.52 (3,108 puts vs 5,987 calls), and 0.57 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 January 15, 2027 is about 86.0%, 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.