Greif (GEF) Options Chain

NYSE: GEFConsumer CyclicalPackaging & ContainersUSD

81.82-0.06 (-0.07%)

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

After hours: 81.82 +0.01%

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $81.82
Put/call ratio (OI): 0.79
Put/call ratio (volume): 0.10
ATM implied volatility: 40.0%
Expected move: ±$4.54
Open interest (C / P): 1.16K / 918

GEF options summary

The GEF options chain for the October 16, 2026 expiration lists 11 call and 10 put contracts, with 7 days until expiration. Open interest stands at 1,156 calls and 918 puts, a put/call ratio of 0.79, which is fairly balanced between calls and puts. At-the-money implied volatility near the $80.00 strike is 40.0%, which implies the market expects a move of about ±$4.54 (5.5%) in Greif stock by expiration.

The most open interest sits at the $90.00 call (506 contracts) and the $80.00 put (543 contracts).

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

GEF options chain · October 16, 2026

GEF 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
—	—	—	—	—	—	40.00	0.00	2.25	0.40	351.5%	2	4
1	—	—	22.57	23.10	27.10	45.00	0.00	2.35	0.50	305.8%	1	5
—	—	—	—	—	—	50.00	0.00	0.00	0.95	50.0%	1	0
1	—	—	10.85	16.90	20.80	55.00	0.00	2.15	0.05	214.9%	3	5
—	—	—	—	—	—	60.00	0.00	0.95	0.60	143.5%	1	2
0	35	96.1%	18.85	15.30	18.80	65.00	3.60	7.80	4.00	287.7%	—	1
6	20	180.4%	18.19	13.50	17.10	70.00	—	—	—	—	—	—
70	15	143.8%	10.57	9.20	12.00	75.00	0.00	2.70	2.00	82.9%	—	8
17	3	43.2%	1.95	1.50	3.10	80.00	0.35	1.00	1.10	36.9%	2	543
GEF $81.82
72	1	43.1%	0.90	0.20	0.90	85.00	3.10	4.00	2.65	41.1%	1	350
506	5	56.3%	0.15	0.00	0.45	90.00	0.00	0.00	6.30	—	1	0
482	5	82.5%	1.05	0.00	1.15	95.00	—	—	—	—	—	—
0	41	25.0%	0.80	0.00	0.00	100.00	—	—	—	—	—	—
1	—	142.2%	0.90	0.00	2.25	105.00	—	—	—	—	—	—

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 GEF put/call ratio?

For the October 16, 2026 expiration, the GEF put/call ratio based on open interest is 0.79 (918 puts vs 1,156 calls), and 0.10 based on today's volume. A ratio above 1 means more puts than calls.

What is GEF's implied volatility?

At-the-money implied volatility for GEF options expiring October 16, 2026 is about 40.0%, an annualized estimate of how much the market expects Greif stock to move.

How many GEF option expiration dates are there?

GEF has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.