GFL Environmental Subordinate voting shares no par value (GFL) Options Chain

NYSE: GFLUtilitiesEnvironmental ServicesUSD

42.78+0.45 (+1.06%)

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

Expiration date

Expiration: Jan 19, 2029
Days to expiration: 831
Share price: $42.78
Put/call ratio (OI): 0.01
Put/call ratio (volume): 0.25
ATM implied volatility: 35.9%
Expected move: ±$23.14
Open interest (C / P): 1.10K / 13

GFL options summary

The GFL options chain for the January 19, 2029 expiration lists 7 call and 5 put contracts, with 831 days until expiration. Open interest stands at 1,105 calls and 13 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $40.00 strike is 35.9%, which implies the market expects a move of about ±$23.14 (54.1%) in GFL Environmental Subordinate voting shares no par value stock by expiration.

The most open interest sits at the $22.50 call (572 contracts) and the $40.00 put (10 contracts).

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

GFL options chain · January 19, 2029

GFL 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
572	2	63.7%	21.24	19.50	24.50	22.50	—	—	—	—	—	—
1	2	59.5%	19.70	17.50	22.50	25.00	—	—	—	—	—	—
531	2	58.6%	18.10	16.00	21.00	27.50	—	—	—	—	—	—
—	—	—	16.00	—	—	30.00	—	—	—	—	—	—
1	2	53.0%	14.40	12.50	17.50	32.50	—	—	—	—	—	—
—	—	—	12.70	—	—	35.00	—	—	—	—	—	—
—	—	—	10.04	—	—	40.00	2.50	7.50	4.80	35.9%	—	10
GFL $42.78
—	—	—	—	—	—	50.00	—	—	9.30	—	—	—
—	—	—	—	—	—	52.50	9.00	14.00	12.20	29.1%	—	3
—	—	—	—	—	—	55.00	—	—	13.10	—	—	—
—	—	—	—	—	—	60.00	14.50	19.50	18.16	26.8%	2	0

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 GFL put/call ratio?

For the January 19, 2029 expiration, the GFL put/call ratio based on open interest is 0.01 (13 puts vs 1,105 calls), and 0.25 based on today's volume. A ratio above 1 means more puts than calls.

What is GFL's implied volatility?

At-the-money implied volatility for GFL options expiring January 19, 2029 is about 35.9%, an annualized estimate of how much the market expects GFL Environmental Subordinate voting shares no par value stock to move.

How many GFL option expiration dates are there?

GFL has 9 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.