GEF · Greif, Inc · Options Chain

Track GEF — free

$83.56 -1.13 (-1.33%) At close · Sep 9

S&P 400 member Russell 2000 member Rebalance outlook locked

Market Cap

$3.93B

46.17M

Options Chain

Underlying $83.56 · at close Sep 9, 2026 Options Calculator

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Positioning

Sep 18, 2026 · 8 days to expiry · 30 contracts · mixed daily-bar sessions · Jul 21, 2026–Sep 9, 2026; 21 unknown

Put / call OI

0.29

Call-heavy positioning

Open interest

1,992

as of Sep 8, 2026

Volume

—

dated and unknown daily-bar sessions

Max pain

$85.00

$1.44 above spot

ATM implied vol

48.8%

market's expected move

Open interest by strike

Calls Puts

100

105

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Sep 18 8d Oct 16 36d Jan 15 127d Apr 16 218d

Calls								Puts
OI	Vol	IV	Δ	Bid	Ask	Last	Strike	Last	Bid	Ask	Δ	IV	Vol	OI
—	—	—	—	$47.60	$50.40	—		—	$0.00	$0.25	—	—	—	—
Call · $35 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:43.792 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $35 Daily-bar session Unknown Quote as of 2026-09-09 19:50:02.637 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$43.00	$45.50	—		—	$0.00	$2.15	—	—	—	—
Call · $40 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:18.459 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $40 Daily-bar session Unknown Quote as of 2026-09-09 19:56:21.516 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$37.90	$40.50	—		—	$0.00	$2.15	—	—	—	—
Call · $45 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:18.459 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $45 Daily-bar session Unknown Quote as of 2026-09-09 19:57:06.327 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$32.80	$35.50	—		—	$0.00	$0.95	—	—	—	—
Call · $50 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:18.459 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $50 Daily-bar session Unknown Quote as of 2026-09-09 19:59:50.110 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$27.80	$30.50	—		—	$0.00	$2.15	—	—	—	—
Call · $55 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:59.842 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $55 Daily-bar session Unknown Quote as of 2026-09-09 19:55:09.409 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$23.00	$25.50	—		—	$0.00	$0.95	—	—	—	—
Call · $60 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:59.842 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $60 Daily-bar session Unknown Quote as of 2026-09-09 19:59:50.110 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$18.00	$20.50	—		—	$0.00	$2.10	—	—	—	—
Call · $65 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:59.842 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $65 Daily-bar session Unknown Quote as of 2026-09-09 19:55:09.408 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
1	1	95.3%	0.908	$12.80	$15.50	$6.80		—	$0.00	$0.95	—	—	—	—
Call · $70 In the money Daily-bar session Jul 21, 2026 Quote as of 2026-09-09 19:59:59.842 UTC Last $6.80 Breakeven $76.80 Implied vol 95.3% Delta 0.908 ≈91% ITM Gamma 0.014 Theta -0.128 Vega 0.02 Open interest 1 OI effective date Sep 8, 2026 Model this call Put · $70 Daily-bar session Unknown Quote as of 2026-09-09 19:59:50.110 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	55.4%	0.914	$8.00	$9.80	—		$0.29	$0.00	$0.25	—	—	10	31
Call · $75 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:43.801 UTC Last — Breakeven — Implied vol 55.4% Delta 0.914 ≈91% ITM Gamma 0.023 Theta -0.074 Vega 0.019 Open interest — OI effective date — Model this call Put · $75 Daily-bar session Aug 20, 2026 Quote as of 2026-09-09 19:59:43.642 UTC Last $0.29 Breakeven $74.71 Implied vol — Delta — Gamma — Theta — Vega — Open interest 31 OI effective date Sep 8, 2026 Model this put
36	36	38.3%	0.791	$3.20	$5.20	$4.70		$0.50	$0.35	$0.95	-0.22	40.4%	2	344
Call · $80 In the money Daily-bar session Jul 27, 2026 Quote as of 2026-09-09 19:59:59.842 UTC Last $4.70 Breakeven $84.70 Implied vol 38.3% Delta 0.791 ≈79% ITM Gamma 0.061 Theta -0.091 Vega 0.036 Open interest 36 OI effective date Sep 8, 2026 Model this call Put · $80 Daily-bar session Sep 8, 2026 Quote as of 2026-09-09 19:59:56.766 UTC Last $0.50 Breakeven $79.50 Implied vol 40.4% Delta -0.22 ≈22% ITM Gamma 0.059 Theta -0.091 Vega 0.037 Open interest 344 OI effective date Sep 8, 2026 Model this put
Underlying $83.56
3	1	—	—	$0.00	$2.45	$5.30		$2.85	$2.25	$4.10	-0.575	48.8%	2	77
Call · $85 Daily-bar session Jul 30, 2026 Quote as of 2026-09-09 19:56:06.439 UTC Last $5.30 Breakeven $90.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 OI effective date Sep 8, 2026 Model this call Put · $85 In the money Daily-bar session Aug 27, 2026 Quote as of 2026-09-09 19:59:50.131 UTC Last $2.85 Breakeven $82.15 Implied vol 48.8% Delta -0.575 ≈58% ITM Gamma 0.065 Theta -0.143 Vega 0.049 Open interest 77 OI effective date Sep 8, 2026 Model this put
15	4	—	—	$0.00	$0.45	$0.40		$6.00	$6.60	$7.60	-0.802	55.8%	2	1
Call · $90 Daily-bar session Aug 28, 2026 Quote as of 2026-09-09 19:59:59.832 UTC Last $0.40 Breakeven $90.40 Implied vol — Delta — Gamma — Theta — Vega — Open interest 15 OI effective date Sep 8, 2026 Model this call Put · $90 In the money Daily-bar session Sep 9, 2026 Quote as of 2026-09-09 19:59:59.842 UTC Last $6.00 Breakeven $84.00 Implied vol 55.8% Delta -0.802 ≈80% ITM Gamma 0.04 Theta -0.113 Vega 0.035 Open interest 1 OI effective date Sep 8, 2026 Model this put
1.5k	2	—	—	$0.00	$0.15	$0.01		—	$10.70	$12.80	-0.896	65.8%	—	—
Call · $95 Daily-bar session Sep 9, 2026 Quote as of 2026-09-09 19:59:59.944 UTC Last $0.01 Breakeven $95.01 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1.5k OI effective date Sep 8, 2026 Model this call Put · $95 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:44.300 UTC Last — Breakeven — Implied vol 65.8% Delta -0.896 ≈90% ITM Gamma 0.022 Theta -0.083 Vega 0.022 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.75	—		—	$15.30	$17.80	-0.947	72.3%	—	—
Call · $100 Daily-bar session Unknown Quote as of 2026-09-09 19:56:06.438 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $100 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:59.855 UTC Last — Breakeven — Implied vol 72.3% Delta -0.947 ≈95% ITM Gamma 0.012 Theta -0.051 Vega 0.013 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.75	—		—	$20.10	$22.90	-0.963	83.2%	—	—
Call · $105 Daily-bar session Unknown Quote as of 2026-09-09 19:59:59.881 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $105 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:59.842 UTC Last — Breakeven — Implied vol 83.2% Delta -0.963 ≈96% ITM Gamma 0.008 Theta -0.042 Vega 0.01 Open interest — OI effective date — Model this put

About this data

Each contract's last price, day range and volume belong to the daily-bar session shown in its details; unknown means the source omitted that timestamp. Open interest has its own effective date shown separately; implied volatility and greeks are model values computed when fetched. This chain has mixed daily-bar sessions · Jul 21, 2026–Sep 9, 2026; 21 unknown. Positioning totals are shown only when every returned open-interest value has the same known effective date. Bid and ask are real-time consolidated OPRA readings.

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) 154 filings 154 filers Visit website Investor relations