MPLX (MPLX) Options Chain

NYSE: MPLXEnergyNatural Gas DistributionUSD

57.36+0.31 (+0.54%)

Market open · Delayed 15 min · as of Oct 8, 3:09 PM ET

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $57.36
Put/call ratio (OI): 0.73
Put/call ratio (volume): 0.55
ATM implied volatility: 33.3%
Expected move: ±$2.83
Open interest (C / P): 3.33K / 2.43K

MPLX options summary

The MPLX options chain for the October 16, 2026 expiration lists 8 call and 4 put contracts, with 8 days until expiration. Open interest stands at 3,325 calls and 2,427 puts, a put/call ratio of 0.73, which is fairly balanced between calls and puts. At-the-money implied volatility near the $55.00 strike is 33.3%, which implies the market expects a move of about ±$2.83 (4.9%) in MPLX stock by expiration.

The most open interest sits at the $60.00 call (1.54K contracts) and the $55.00 put (2.03K contracts).

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

MPLX options chain · October 16, 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
17	16	319.1%	27.17	26.40	28.30	30.00	—	—	—	—	—	—
162	2	256.1%	21.64	21.40	23.30	35.00	—	—	—	—	—	—
5	2	200.6%	16.45	16.40	18.30	40.00	—	—	—	—	—	—
3	8	74.2%	12.36	11.50	13.30	45.00	0.00	0.10	0.10	76.6%	18	26
5	2	52.7%	7.45	6.70	8.20	50.00	0.00	0.05	0.01	47.3%	10	126
294	6	42.1%	2.45	2.20	2.95	55.00	0.05	0.15	0.10	24.5%	12	2,033
MPLX $57.36
1,545	13	18.9%	0.06	0.00	0.05	60.00	2.10	3.20	2.30	41.7%	1	242
1,294	25	42.8%	0.06	0.00	0.05	65.00	—	—	—	—	—	—

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 October 16, 2026 expiration, the MPLX put/call ratio based on open interest is 0.73 (2,427 puts vs 3,325 calls), and 0.55 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 October 16, 2026 is about 33.3%, 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.