MoonLake Immunotherapeutics (MLTX) Options Chain

NASDAQ: MLTXHealth CareBiotechnology: Pharmaceutical PreparationsUSD

10.58-0.19 (-1.76%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

After hours: 10.58 0.00%

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $10.58
Put/call ratio (OI): 0.07
Put/call ratio (volume): 0.15
ATM implied volatility: 75.4%
Expected move: ±$1.18
Open interest (C / P): 4.71K / 310

MLTX options summary

The MLTX options chain for the October 16, 2026 expiration lists 12 call and 7 put contracts, with 8 days until expiration. Open interest stands at 4,708 calls and 310 puts, a put/call ratio of 0.07, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $11.00 strike is 75.4%, which implies the market expects a move of about ±$1.18 (11.2%) in MoonLake Immunotherapeutics stock by expiration.

The most open interest sits at the $13.00 call (1.84K contracts) and the $12.00 put (103 contracts).

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

MLTX options chain · October 16, 2026

MLTX 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
—	—	—	—	—	—	10.00	0.10	0.35	0.30	71.1%	5	9
MLTX $10.58
26	103	75.0%	0.10	0.10	0.55	11.00	0.25	1.25	0.45	75.8%	81	91
111	70	61.7%	0.05	0.00	0.10	12.00	1.05	2.00	1.36	77.0%	10	103
1,843	50	105.5%	0.08	0.00	0.20	13.00	1.75	2.95	2.68	194.5%	1	25
940	3	122.7%	0.05	0.00	0.15	14.00	2.55	4.00	3.10	235.9%	7	22
1,122	450	143.8%	0.05	0.00	0.15	15.00	3.60	5.10	3.40	282.8%	3	60
289	1	174.2%	0.20	0.00	0.20	16.00	—	—	—	—	—	—
159	1	181.3%	0.05	0.00	0.15	17.00	—	—	—	—	—	—
36	10	348.8%	0.06	0.00	1.30	18.00	—	—	—	—	—	—
110	5	303.1%	0.05	0.00	0.70	19.00	7.50	9.00	5.50	354.3%	—	0
65	1	210.9%	0.10	0.00	0.10	20.00	—	—	—	—	—	—
4	—	278.1%	0.10	0.00	0.20	23.00	—	—	—	—	—	—
3	—	284.4%	0.05	0.00	0.05	30.00	—	—	—	—	—	—

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 MLTX put/call ratio?

For the October 16, 2026 expiration, the MLTX put/call ratio based on open interest is 0.07 (310 puts vs 4,708 calls), and 0.15 based on today's volume. A ratio above 1 means more puts than calls.

What is MLTX's implied volatility?

At-the-money implied volatility for MLTX options expiring October 16, 2026 is about 75.4%, an annualized estimate of how much the market expects MoonLake Immunotherapeutics stock to move.

How many MLTX option expiration dates are there?

MLTX 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.