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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $59.28
Put/call ratio (OI): 0.43
Put/call ratio (volume): 0.71
ATM implied volatility: 44.4%
Expected move: ±$8.72
Open interest (C / P): 211 / 90

ACM options summary

The ACM options chain for the November 20, 2026 expiration lists 10 call and 8 put contracts, with 40 days until expiration. Open interest stands at 211 calls and 90 puts, a put/call ratio of 0.43, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $60.00 strike is 44.4%, which implies the market expects a move of about ±$8.72 (14.7%) in AECOM stock by expiration.

The most open interest sits at the $75.00 call (59 contracts) and the $55.00 put (26 contracts).

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

ACM options chain · November 20, 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
1	—	73.7%	15.04	10.90	13.10	47.50	—	—	—	—	—	—
—	—	—	—	—	—	50.00	0.00	0.85	0.85	52.6%	—	12
—	—	—	—	—	—	52.50	0.40	1.25	1.36	49.5%	2	8
5	1	52.5%	5.70	5.10	6.50	55.00	1.15	1.70	1.60	44.9%	10	26
15	11	57.1%	3.00	2.80	5.40	57.50	2.20	2.90	2.05	47.7%	3	10
ACM $59.28
11	2	43.3%	4.50	2.45	3.10	60.00	3.40	4.00	3.90	45.6%	8	9
46	1	41.4%	1.80	1.70	2.00	62.50	4.90	5.70	4.30	47.7%	1	23
24	3	45.0%	1.25	0.75	1.55	65.00	5.70	7.60	5.52	49.7%	—	1
20	4	47.9%	0.70	0.25	1.20	67.50	—	—	—	—	—	—
29	11	47.8%	0.35	0.10	0.80	70.00	10.30	12.40	8.50	63.2%	—	1
1	—	53.1%	0.90	0.00	0.75	72.50	—	—	—	—	—	—
59	1	58.9%	0.25	0.05	0.75	75.00	—	—	—	—	—	—

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 November 20, 2026 expiration, the ACM put/call ratio based on open interest is 0.43 (90 puts vs 211 calls), and 0.71 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 November 20, 2026 is about 44.4%, 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.