AECOM (ACM) Options Chain

NYSE: ACMConsumer DiscretionaryMilitary/Government/TechnicalUSD

59.28-0.18 (-0.30%)

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

After hours: 59.28 -0.03%

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $59.28
Put/call ratio (OI): 0.79
Put/call ratio (volume): 1.45
ATM implied volatility: 45.4%
Expected move: ±$3.73
Open interest (C / P): 1.68K / 1.32K

ACM options summary

The ACM options chain for the October 16, 2026 expiration lists 26 call and 21 put contracts, with 7 days until expiration. Open interest stands at 1,679 calls and 1,321 puts, a put/call ratio of 0.79, which is fairly balanced between calls and puts. At-the-money implied volatility near the $60.00 strike is 45.4%, which implies the market expects a move of about ±$3.73 (6.3%) in AECOM stock by expiration.

The most open interest sits at the $60.00 call (389 contracts) and the $75.00 put (275 contracts).

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

ACM options chain · October 16, 2026

ACM 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	1	279.6%	20.24	17.10	21.10	40.00	—	—	—	—	—	—
—	—	—	—	—	—	47.50	0.00	0.00	0.18	25.0%	3	0
0	6	—	26.01	0.00	0.00	50.00	0.00	0.40	0.35	78.5%	3	7
4	1	62.3%	5.80	3.70	4.90	55.00	0.10	0.75	0.30	53.9%	2	64
4	1	57.6%	2.00	1.00	3.00	57.50	0.25	0.85	1.85	45.9%	1	16
ACM $59.28
389	4	37.7%	0.70	0.55	1.00	60.00	1.15	2.25	2.17	53.0%	1	149
78	3	34.9%	0.25	0.10	0.25	62.50	3.40	4.90	3.45	60.4%	2	256
186	1	66.5%	0.20	0.00	1.15	65.00	5.00	7.10	7.42	55.3%	4	83
147	8	57.6%	0.05	0.00	0.30	67.50	7.90	9.60	4.80	80.7%	10	187
148	2	93.5%	0.13	0.00	1.00	70.00	10.00	12.30	10.20	89.7%	5	88
22	5	126.2%	0.35	0.00	1.75	72.50	13.30	14.10	12.40	105.8%	3	114
160	3	119.3%	0.32	0.00	1.00	75.00	15.80	16.50	10.60	114.8%	3	275
30	4	132.6%	0.34	0.00	1.05	77.50	17.50	0.00	18.65	—	2	0
143	1	107.4%	0.25	0.00	0.25	80.00	14.00	16.40	12.84	—	82	12
72	11	186.1%	0.32	0.00	2.15	82.50	0.00	0.00	14.48	—	6	0
152	20	167.8%	0.02	0.00	1.15	85.00	0.00	0.00	16.55	—	102	0
39	—	273.3%	8.20	2.05	3.10	87.50	0.00	0.00	18.50	—	15	0
0	40	50.0%	0.15	0.00	0.00	90.00	0.00	0.00	14.83	—	1	0
10	20	215.8%	0.70	0.00	1.75	92.50	21.00	23.90	11.40	—	1	1
41	1	224.9%	0.22	0.00	1.75	95.00	0.00	0.00	25.35	—	2	0
0	11	50.0%	0.68	0.00	0.00	97.50	—	—	—	—	—	—
0	2	50.0%	0.10	0.00	0.00	100.00	27.90	31.40	21.90	—	2	18
1	7	270.5%	0.75	0.00	2.15	105.00	10.80	12.90	11.55	—	1	51
26	2	296.3%	0.70	0.00	2.50	110.00	—	—	—	—	—	—
0	2	50.0%	0.40	0.00	0.00	115.00	—	—	—	—	—	—
27	10	192.2%	0.10	0.00	0.10	120.00	—	—	—	—	—	—
0	7	390.4%	0.55	0.00	2.15	155.00	—	—	—	—	—	—

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 ACM put/call ratio?

For the October 16, 2026 expiration, the ACM put/call ratio based on open interest is 0.79 (1,321 puts vs 1,679 calls), and 1.45 based on today's volume. A ratio above 1 means more puts than calls.

What is ACM's implied volatility?

At-the-money implied volatility for ACM options expiring October 16, 2026 is about 45.4%, an annualized estimate of how much the market expects AECOM stock to move.

How many ACM option expiration dates are there?

ACM has 5 listed expiration dates, from Oct 16, 2026 to May 21, 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.