Martin Marietta Materials (MLM) Options Chain

NYSE: MLMIndustrialsMining & Quarrying of Nonmetallic Minerals (No Fuels)USD

481.57+2.56 (+0.53%)

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

After hours: 481.57 0.00%

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $481.57
Put/call ratio (OI): 0.27
Put/call ratio (volume): 2.55
ATM implied volatility: 33.3%
Expected move: ±$23.74
Open interest (C / P): 1.57K / 419

MLM options summary

The MLM options chain for the October 16, 2026 expiration lists 31 call and 26 put contracts, with 8 days until expiration. Open interest stands at 1,570 calls and 419 puts, a put/call ratio of 0.27, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $480.00 strike is 33.3%, which implies the market expects a move of about ±$23.74 (4.9%) in Martin Marietta Materials stock by expiration.

The most open interest sits at the $520.00 call (347 contracts) and the $570.00 put (102 contracts).

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

MLM options chain · October 16, 2026

MLM 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
—	—	—	—	—	—	350.00	0.00	4.90	0.19	134.3%	1	5
—	—	—	—	—	—	360.00	0.00	0.00	2.75	50.0%	—	0
—	—	—	—	—	—	370.00	0.00	0.00	3.30	25.0%	—	0
—	—	—	—	—	—	390.00	0.00	0.00	3.40	25.0%	—	0
—	—	—	—	—	—	410.00	0.00	1.70	2.05	61.5%	1	2
—	—	—	—	—	—	420.00	0.00	1.70	0.35	53.9%	1	4
—	—	—	—	—	—	430.00	0.00	2.05	1.85	57.5%	1	7
—	—	—	—	—	—	440.00	0.00	4.60	1.85	50.4%	2	9
—	—	—	—	—	—	450.00	0.05	5.40	2.20	57.0%	2	16
2	2	50.1%	22.62	21.70	28.00	460.00	0.05	3.70	2.70	38.6%	6	18
175	—	45.1%	45.00	12.90	20.00	470.00	3.20	4.80	3.20	31.8%	5	52
63	13	36.2%	7.05	6.80	11.70	480.00	6.10	8.40	9.40	30.4%	1	34
MLM $481.57
18	5	35.5%	4.30	3.50	7.10	490.00	10.30	16.30	12.08	38.1%	4	27
216	1	45.3%	6.00	0.05	6.60	500.00	16.80	23.50	19.09	39.4%	1	30
33	1	48.4%	1.80	0.05	4.90	510.00	24.90	32.30	27.09	43.9%	1	8
347	10	56.8%	1.35	0.05	4.80	520.00	34.20	41.30	46.41	47.1%	1	24
105	1	43.4%	0.60	0.05	1.25	530.00	44.40	51.10	39.00	53.4%	1	3
10	1	51.9%	1.74	0.00	1.50	540.00	54.10	61.00	47.06	59.8%	1	1
23	1	57.5%	1.26	0.00	1.45	550.00	65.40	71.40	59.24	69.1%	10	0
122	1	56.6%	0.05	0.00	1.70	560.00	34.10	41.00	28.50	—	—	63
11	1	61.8%	1.00	0.00	1.70	570.00	40.60	48.20	37.80	—	102	102
6	3	65.4%	0.93	0.00	1.50	580.00	48.40	56.00	37.30	—	—	1
46	1	77.2%	0.10	0.00	2.50	590.00	56.70	64.50	42.20	—	—	1
134	2	94.7%	0.95	0.00	4.90	600.00	65.50	73.00	51.00	—	2	2
0	3	25.0%	5.00	0.00	0.00	610.00	65.50	74.00	50.95	—	10	10
193	1	87.2%	0.86	0.00	1.90	620.00	—	—	—	—	—	—
5	2	110.0%	0.33	0.00	4.90	630.00	—	—	—	—	—	—
3	1	141.9%	29.10	3.00	8.80	640.00	—	—	—	—	—	—
3	1	119.6%	0.05	0.00	4.90	650.00	—	—	—	—	—	—
0	1	50.0%	0.50	0.00	0.00	660.00	—	—	—	—	—	—
16	1	104.2%	4.70	0.00	1.50	670.00	—	—	—	—	—	—
2	2	172.7%	6.65	2.90	12.00	680.00	—	—	—	—	—	—
1	—	116.0%	2.70	0.00	1.90	690.00	—	—	—	—	—	—
0	1	50.0%	1.25	0.00	0.00	700.00	—	—	—	—	—	—
1	—	121.3%	1.85	0.00	1.70	710.00	—	—	—	—	—	—
28	1	164.0%	0.64	0.00	6.80	730.00	—	—	—	—	—	—
3	2	131.8%	0.55	0.00	1.70	740.00	—	—	—	—	—	—
1	—	125.4%	5.70	0.15	0.85	750.00	—	—	—	—	—	—
2	1	141.7%	2.50	0.00	1.70	770.00	—	—	—	—	—	—
—	—	—	—	—	—	800.00	280.40	288.10	229.00	—	—	0
1	—	197.6%	1.95	0.00	6.80	820.00	—	—	—	—	—	—

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 MLM put/call ratio?

For the October 16, 2026 expiration, the MLM put/call ratio based on open interest is 0.27 (419 puts vs 1,570 calls), and 2.55 based on today's volume. A ratio above 1 means more puts than calls.

What is MLM's implied volatility?

At-the-money implied volatility for MLM options expiring October 16, 2026 is about 33.3%, an annualized estimate of how much the market expects Martin Marietta Materials stock to move.

How many MLM option expiration dates are there?

MLM has 5 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.