Marex Group (MRX) Options Chain

NASDAQ: MRXFinanceInvestment Bankers/Brokers/ServiceUSD

71.92+0.75 (+1.05%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $71.92
Put/call ratio (OI): 0.12
Put/call ratio (volume): 1.06
ATM implied volatility: 50.5%
Expected move: ±$15.68
Open interest (C / P): 327 / 38

MRX options summary

The MRX options chain for the December 18, 2026 expiration lists 13 call and 9 put contracts, with 68 days until expiration. Open interest stands at 327 calls and 38 puts, a put/call ratio of 0.12, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $70.00 strike is 50.5%, which implies the market expects a move of about ±$15.68 (21.8%) in Marex Group stock by expiration.

The most open interest sits at the $80.00 call (132 contracts) and the $55.00 put (19 contracts).

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

MRX options chain · December 18, 2026

MRX 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
0	2	—	23.20	27.00	30.60	30.00	—	—	—	—	—	—
1	1	—	26.18	23.60	27.30	40.00	0.00	0.00	2.65	25.0%	—	0
—	—	—	—	—	—	45.00	0.00	0.00	1.70	25.0%	—	0
11	3	52.7%	17.94	20.50	24.00	50.00	0.00	0.00	0.66	25.0%	1	0
86	2	58.3%	18.50	16.20	20.00	55.00	0.05	2.35	1.15	58.6%	1	19
0	3	—	14.57	0.00	0.00	60.00	0.00	0.00	3.00	12.5%	30	0
16	1	53.6%	10.60	9.00	11.80	65.00	1.70	3.60	4.15	54.8%	1	2
41	8	50.8%	6.66	6.00	8.50	70.00	3.90	6.60	5.00	50.2%	1	15
MRX $71.92
20	3	50.5%	7.60	3.90	6.10	75.00	5.80	9.20	7.80	59.5%	2	1
132	3	52.8%	3.10	2.35	4.90	80.00	9.20	12.50	11.30	59.5%	—	1
4	1	51.0%	2.50	0.70	3.80	85.00	—	—	—	—	—	—
8	1	53.4%	1.85	0.00	3.30	90.00	—	—	—	—	—	—
0	2	12.5%	2.37	0.00	0.00	95.00	—	—	—	—	—	—
8	4	51.2%	1.12	0.00	1.15	100.00	—	—	—	—	—	—

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 MRX put/call ratio?

For the December 18, 2026 expiration, the MRX put/call ratio based on open interest is 0.12 (38 puts vs 327 calls), and 1.06 based on today's volume. A ratio above 1 means more puts than calls.

What is MRX's implied volatility?

At-the-money implied volatility for MRX options expiring December 18, 2026 is about 50.5%, an annualized estimate of how much the market expects Marex Group stock to move.

How many MRX option expiration dates are there?

MRX has 6 listed expiration dates, from Oct 16, 2026 to Dec 17, 2027.

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.