Advanced Drainage Systems (WMS) Options Chain

NYSE: WMSIndustrialsBuilding Products & EquipmentUSD

125.79-0.42 (-0.33%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $125.79
Put/call ratio (OI): 28.18
Put/call ratio (volume): 1.83
ATM implied volatility: 48.3%
Expected move: ±$20.13
Open interest (C / P): 33 / 930

WMS options summary

The WMS options chain for the November 20, 2026 expiration lists 7 call and 10 put contracts, with 40 days until expiration. Open interest stands at 33 calls and 930 puts, a put/call ratio of 28.18, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $125.00 strike is 48.3%, which implies the market expects a move of about ±$20.13 (16.0%) in Advanced Drainage Systems stock by expiration.

The most open interest sits at the $140.00 call (12 contracts) and the $125.00 put (909 contracts).

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

WMS options chain · November 20, 2026

WMS 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
—	—	—	—	—	—	80.00	0.00	0.75	0.15	75.7%	—	2
—	—	—	—	—	—	85.00	0.00	0.75	0.40	66.9%	—	2
—	—	—	—	—	—	90.00	—	—	0.40	—	—	—
—	—	—	—	—	—	100.00	0.30	1.25	0.95	50.7%	1	3
—	—	—	—	—	—	105.00	0.55	1.75	1.85	54.2%	1	1
1	1	52.6%	18.98	17.30	19.60	110.00	1.00	2.40	2.00	50.3%	1	4
—	—	—	—	—	—	115.00	2.55	3.70	2.75	49.5%	4	1
—	—	—	—	—	—	120.00	2.85	5.40	4.66	48.5%	1	5
3	1	50.1%	11.30	6.20	8.80	125.00	5.00	7.40	4.60	46.5%	1	909
WMS $125.79
1	1	51.2%	7.18	4.10	6.80	130.00	—	—	—	—	—	—
10	1	54.0%	4.50	2.40	5.50	135.00	—	—	—	—	—	—
12	1	49.2%	2.43	1.15	3.40	140.00	15.10	17.40	17.81	47.7%	2	3
3	1	50.1%	2.60	0.70	2.50	145.00	—	—	—	—	—	—
3	—	50.6%	1.75	0.05	1.80	150.00	—	—	—	—	—	—

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 WMS put/call ratio?

For the November 20, 2026 expiration, the WMS put/call ratio based on open interest is 28.18 (930 puts vs 33 calls), and 1.83 based on today's volume. A ratio above 1 means more puts than calls.

What is WMS's implied volatility?

At-the-money implied volatility for WMS options expiring November 20, 2026 is about 48.3%, an annualized estimate of how much the market expects Advanced Drainage Systems stock to move.

How many WMS option expiration dates are there?

WMS has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.