Alumis (ALMS) Options Chain

NASDAQ: ALMSHealth CareBiotechnology: Pharmaceutical PreparationsUSD

7.16+0.19 (+2.73%)

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

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $7.16
Put/call ratio (OI): 0.15
Put/call ratio (volume): 17.81
ATM implied volatility: 84.7%
Expected move: ±$3.11
Open interest (C / P): 23.66K / 3.50K

ALMS options summary

The ALMS options chain for the January 15, 2027 expiration lists 29 call and 17 put contracts, with 96 days until expiration. Open interest stands at 23,660 calls and 3,498 puts, a put/call ratio of 0.15, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $7.00 strike is 84.7%, which implies the market expects a move of about ±$3.11 (43.4%) in Alumis stock by expiration.

The most open interest sits at the $7.00 call (10.14K contracts) and the $7.00 put (3.00K contracts).

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

ALMS options chain · January 15, 2027

ALMS 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
17	15	108.6%	4.42	2.05	6.40	3.00	—	—	—	—	—	—
139	4	80.9%	1.90	0.25	4.60	5.00	0.00	1.70	0.30	142.0%	20	20
4	—	73.6%	4.00	0.75	2.60	6.00	—	—	—	—	—	—
10,140	12	80.9%	1.53	0.45	2.05	7.00	0.85	1.55	1.40	88.6%	10,017	3,002
ALMS $7.16
59	4	91.0%	1.00	0.65	1.40	8.00	0.15	4.80	2.60	132.7%	80	90
34	21	98.0%	0.95	0.05	1.65	9.00	0.35	4.80	1.64	90.0%	—	1
572	9	100.6%	0.55	0.50	0.85	10.00	1.35	5.50	3.40	94.0%	3	45
81	1	95.3%	0.37	0.20	0.70	11.00	2.05	6.40	2.20	89.8%	—	2
19	5	136.5%	1.20	0.00	1.70	12.00	2.70	7.40	4.45	82.4%	—	2
2,047	3	94.9%	0.35	0.00	0.50	13.00	0.00	4.90	1.85	—	—	1
2	1	124.4%	0.33	0.00	0.95	14.00	0.50	4.90	2.00	—	—	3
32	3	162.3%	0.15	0.00	1.70	15.00	5.90	10.40	7.15	115.8%	2	18
4	1	169.2%	0.20	0.00	1.70	16.00	1.00	5.50	2.50	—	5	9
5	—	175.6%	1.00	0.00	1.70	17.00	7.60	12.20	3.80	89.8%	1	252
—	—	—	—	—	—	19.00	2.70	6.50	4.97	—	—	5
10,127	1	125.0%	0.10	0.05	0.30	20.00	10.60	15.30	12.72	114.1%	1	43
—	—	—	—	—	—	21.00	2.55	7.40	6.02	—	—	5
0	—	50.0%	8.00	0.00	0.00	22.00	—	—	—	—	—	—
6	1	205.7%	0.25	0.00	1.70	23.00	—	—	—	—	—	—
255	360	176.6%	0.35	0.00	0.95	24.00	14.60	19.30	14.05	128.5%	—	0
5	10	213.5%	0.30	0.00	1.70	25.00	15.60	20.30	16.00	131.6%	3	0
0	—	50.0%	8.30	0.00	0.00	26.00	—	—	—	—	—	—
1	2	706.3%	10.31	4.50	8.00	27.00	—	—	—	—	—	—
0	10	223.7%	0.73	0.00	1.70	28.00	—	—	—	—	—	—
5	5	226.9%	0.60	0.00	1.70	29.00	—	—	—	—	—	—
63	58	229.9%	0.15	0.00	1.70	30.00	—	—	—	—	—	—
2	10	232.8%	0.43	0.00	1.70	31.00	—	—	—	—	—	—
14	10	208.6%	0.30	0.00	0.95	35.00	—	—	—	—	—	—
2	—	479.9%	5.00	2.20	6.00	36.00	—	—	—	—	—	—
13	3	254.5%	0.15	0.00	1.70	40.00	—	—	—	—	—	—
12	20	264.1%	0.10	0.00	1.70	45.00	—	—	—	—	—	—

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 ALMS put/call ratio?

For the January 15, 2027 expiration, the ALMS put/call ratio based on open interest is 0.15 (3,498 puts vs 23,660 calls), and 17.81 based on today's volume. A ratio above 1 means more puts than calls.

What is ALMS's implied volatility?

At-the-money implied volatility for ALMS options expiring January 15, 2027 is about 84.7%, an annualized estimate of how much the market expects Alumis stock to move.

How many ALMS option expiration dates are there?

ALMS has 7 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.