MPLX (MPLX) Options Chain

NYSE: MPLXEnergyNatural Gas DistributionUSD

56.30-1.02 (-1.78%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $56.30
Put/call ratio (OI): 0.39
Put/call ratio (volume): 20.15
ATM implied volatility: 21.6%
Expected move: ±$5.25
Open interest (C / P): 16.39K / 6.35K

MPLX options summary

The MPLX options chain for the December 18, 2026 expiration lists 9 call and 6 put contracts, with 68 days until expiration. Open interest stands at 16,386 calls and 6,348 puts, a put/call ratio of 0.39, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $55.00 strike is 21.6%, which implies the market expects a move of about ±$5.25 (9.3%) in MPLX stock by expiration.

The most open interest sits at the $60.00 call (10.16K contracts) and the $55.00 put (5.15K contracts).

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

MPLX options chain · December 18, 2026

MPLX 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
31	49	76.2%	27.12	25.40	27.50	30.00	—	—	—	—	—	—
35	17	59.6%	24.20	20.40	22.50	35.00	—	—	—	—	—	—
11	2	75.7%	19.76	15.40	17.50	40.00	0.00	0.60	0.05	51.9%	1	22
2	4	39.8%	11.27	11.00	11.70	45.00	0.00	0.35	0.17	38.4%	4	154
83	4	28.6%	6.55	6.10	6.90	50.00	0.10	0.65	0.44	29.5%	10	409
421	6	18.9%	3.02	2.05	2.55	55.00	1.40	1.75	1.40	24.3%	2,024	5,149
MPLX $56.30
10,158	16	16.8%	0.39	0.30	0.45	60.00	4.00	5.30	4.63	30.8%	15	606
5,479	3	21.4%	0.10	0.05	0.15	65.00	8.40	10.30	6.50	45.1%	1	8
166	1	32.9%	0.25	0.00	0.25	70.00	—	—	—	—	—	—

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 MPLX put/call ratio?

For the December 18, 2026 expiration, the MPLX put/call ratio based on open interest is 0.39 (6,348 puts vs 16,386 calls), and 20.15 based on today's volume. A ratio above 1 means more puts than calls.

What is MPLX's implied volatility?

At-the-money implied volatility for MPLX options expiring December 18, 2026 is about 21.6%, an annualized estimate of how much the market expects MPLX stock to move.

How many MPLX option expiration dates are there?

MPLX 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.