MoonLake Immunotherapeutics (MLTX) Options Chain

NASDAQ: MLTXHealth CareBiotechnology: Pharmaceutical PreparationsUSD

10.82+0.24 (+2.27%)

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

Expiration date

Expiration: May 21, 2027
Days to expiration: 222
Share price: $10.82
Put/call ratio (OI): 0.07
Put/call ratio (volume): 0.02
ATM implied volatility: 74.1%
Expected move: ±$6.25
Open interest (C / P): 201 / 15

MLTX options summary

The MLTX options chain for the May 21, 2027 expiration lists 12 call and 7 put contracts, with 222 days until expiration. Open interest stands at 201 calls and 15 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 74.1%, which implies the market expects a move of about ±$6.25 (57.8%) in MoonLake Immunotherapeutics stock by expiration.

The most open interest sits at the $12.00 call (115 contracts) and the $8.00 put (4 contracts).

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

MLTX options chain · May 21, 2027

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
—	—	—	—	—	—	5.00	0.00	1.15	0.50	108.0%	—	1
—	—	—	—	—	—	6.00	0.00	1.40	0.75	95.1%	1	2
2	1	91.2%	5.22	3.40	5.10	8.00	0.50	2.10	1.25	85.9%	—	4
—	—	—	—	—	—	9.00	0.30	2.50	1.60	72.1%	—	4
2	—	87.0%	4.00	2.30	4.10	10.00	—	—	—	—	—	—
MLTX $10.82
51	51	76.5%	3.80	1.25	3.70	11.00	1.40	3.60	2.85	71.8%	—	1
115	45	75.6%	3.05	0.90	3.30	12.00	2.00	4.30	3.60	71.7%	1	2
5	5	73.9%	3.00	0.55	2.95	13.00	—	—	—	—	—	—
2	3	74.7%	2.13	0.30	2.75	14.00	—	—	—	—	—	—
11	1	83.5%	2.21	0.80	2.40	15.00	—	—	—	—	—	—
3	1	75.4%	2.70	0.05	2.25	16.00	—	—	—	—	—	—
5	2	76.5%	1.21	0.05	2.00	17.00	5.70	8.30	6.80	69.5%	—	1
2	1	82.7%	2.10	0.25	1.90	18.00	—	—	—	—	—	—
1	—	91.0%	2.24	0.65	1.75	19.00	—	—	—	—	—	—
2	1	83.0%	1.36	0.05	1.65	20.00	—	—	—	—	—	—

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 May 21, 2027 expiration, the MLTX put/call ratio based on open interest is 0.07 (15 puts vs 201 calls), and 0.02 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 May 21, 2027 is about 74.1%, 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.