GEF · Greif, Inc

Track GEF — free Ask ALVIS about GEF

$78.65 +1.86 (+2.42%) At close · Jul 24

Market Cap

$3.63B

46.14M

Options Chain

15-min delayed Underlying $78.65 · today Options Calculator

Positioning

Aug 21, 2026 · 26 days to expiry · 30 contracts

Put / call OI

0.40

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$75.00

$3.65 below spot

ATM implied vol

35.1%

market's expected move

Open interest by strike

Calls Puts

100

105

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 26d Sep 18 54d Oct 16 82d Jan 15 173d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	128.5%	0.995	—		—	—	—	—	0
Call · $35 In the money Last — Breakeven — Implied vol 128.5% Delta 0.995 ≈100% ITM Gamma 0.001 Theta -0.006 Vega 0.003 Open interest 0 Model this call Put · $35 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	119.1%	0.989	—		—	—	—	—	0
Call · $40 In the money Last — Breakeven — Implied vol 119.1% Delta 0.989 ≈99% ITM Gamma 0.001 Theta -0.012 Vega 0.007 Open interest 0 Model this call Put · $40 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	99.3%	0.988	—		—	-0.035	127%	—	0
Call · $45 In the money Last — Breakeven — Implied vol 99.3% Delta 0.988 ≈99% ITM Gamma 0.002 Theta -0.011 Vega 0.008 Open interest 0 Model this call Put · $45 Last — Breakeven — Implied vol 127% Delta -0.035 ≈3% ITM Gamma 0.003 Theta -0.039 Vega 0.016 Open interest 0 Model this put
0	—	87.6%	0.98	—		—	-0.041	106.6%	—	0
Call · $50 In the money Last — Breakeven — Implied vol 87.6% Delta 0.98 ≈98% ITM Gamma 0.003 Theta -0.016 Vega 0.008 Open interest 0 Model this call Put · $50 Last — Breakeven — Implied vol 106.6% Delta -0.041 ≈4% ITM Gamma 0.004 Theta -0.038 Vega 0.017 Open interest 0 Model this put
0	—	74.9%	0.971	—		—	-0.049	88.2%	—	0
Call · $55 In the money Last — Breakeven — Implied vol 74.9% Delta 0.971 ≈97% ITM Gamma 0.004 Theta -0.019 Vega 0.018 Open interest 0 Model this call Put · $55 Last — Breakeven — Implied vol 88.2% Delta -0.049 ≈5% ITM Gamma 0.006 Theta -0.037 Vega 0.018 Open interest 0 Model this put
0	—	58.4%	0.965	—		—	-0.061	70.4%	—	0
Call · $60 In the money Last — Breakeven — Implied vol 58.4% Delta 0.965 ≈96% ITM Gamma 0.006 Theta -0.018 Vega 0.019 Open interest 0 Model this call Put · $60 Last — Breakeven — Implied vol 70.4% Delta -0.061 ≈6% ITM Gamma 0.008 Theta -0.034 Vega 0.032 Open interest 0 Model this put
0	—	—	—	—		$1.20	-0.078	53%	1	1
Call · $65 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $65 Last $1.20 Breakeven $63.80 Implied vol 53% Delta -0.078 ≈8% ITM Gamma 0.013 Theta -0.031 Vega 0.034 Open interest 1 Model this put
1	1	32.2%	0.918	$4.10		—	-0.216	62.5%	—	0
Call · $70 In the money Last $4.10 Breakeven $74.10 Implied vol 32.2% Delta 0.918 ≈92% ITM Gamma 0.022 Theta -0.02 Vega 0.035 Open interest 1 Model this call Put · $70 Last — Breakeven — Implied vol 62.5% Delta -0.216 ≈22% ITM Gamma 0.023 Theta -0.074 Vega 0.068 Open interest 0 Model this put
0	1	36.8%	0.701	$3.08		$2.56	-0.32	43.8%	1	1
Call · $75 In the money Last $3.08 Breakeven $78.08 Implied vol 36.8% Delta 0.701 ≈70% ITM Gamma 0.045 Theta -0.052 Vega 0.071 Open interest 0 Model this call Put · $75 Last $2.56 Breakeven $72.44 Implied vol 43.8% Delta -0.32 ≈32% ITM Gamma 0.039 Theta -0.063 Vega 0.071 Open interest 1 Model this put
Underlying $78.65
1	1	36%	0.449	$0.90		—	-0.554	34.3%	—	0
Call · $80 Last $0.90 Breakeven $80.90 Implied vol 36% Delta 0.449 ≈45% ITM Gamma 0.052 Theta -0.058 Vega 0.084 Open interest 1 Model this call Put · $80 In the money Last — Breakeven — Implied vol 34.3% Delta -0.554 ≈55% ITM Gamma 0.055 Theta -0.054 Vega 0.084 Open interest 0 Model this put
0	10	41.6%	0.259	$13.70		$15.27	-0.856	26.9%	1	0
Call · $85 Last $13.70 Breakeven $98.70 Implied vol 41.6% Delta 0.259 ≈26% ITM Gamma 0.037 Theta -0.055 Vega 0.076 Open interest 0 Model this call Put · $85 In the money Last $15.27 Breakeven $69.73 Implied vol 26.9% Delta -0.856 ≈86% ITM Gamma 0.042 Theta -0.023 Vega 0.056 Open interest 0 Model this put
0	—	—	—	—		—	-0.921	35.2%	—	0
Call · $90 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $90 In the money Last — Breakeven — Implied vol 35.2% Delta -0.921 ≈92% ITM Gamma 0.021 Theta -0.019 Vega 0.038 Open interest 0 Model this put
0	—	—	—	—		$22.98	—	—	1	0
Call · $95 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $95 In the money Last $22.98 Breakeven $72.02 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $100 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $100 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
3	1	—	—	$0.30		—	—	—	—	0
Call · $105 Last $0.30 Breakeven $105.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this call Put · $105 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 43920 CUSIP 397624107 13F (30d) 55 filings 55 filers Visit website Investor relations