GBX · Greenbrier Companies Inc

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$49.24 -1.48 (-2.92%)

Market Cap

$1.57B

30.94M

Options Chain

15-min delayed Underlying $49.24 · today Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 26 contracts

Put / call OI

0.65

Call-heavy positioning

Open interest

283

contracts outstanding

Volume

119

traded today

Max pain

$47.50

$1.74 below spot

ATM implied vol

31%

market's expected move

Open interest by strike

Calls Puts

32.5

37.5

42.5

47.5

52.5

57.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Nov 20 113d Dec 18 141d Mar 19 232d Apr 16 260d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	164.8%	0.879	—		$0.10	—	—	2	2
Call · $32.5 In the money Last — Breakeven — Implied vol 164.8% Delta 0.879 ≈88% ITM Gamma 0.01 Theta -0.088 Vega 0.025 Open interest 0 Model this call Put · $32.5 Last $0.10 Breakeven $32.40 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
0	—	149.5%	0.852	—		$0.10	-0.083	103.2%	6	9
Call · $35 In the money Last — Breakeven — Implied vol 149.5% Delta 0.852 ≈85% ITM Gamma 0.013 Theta -0.092 Vega 0.026 Open interest 0 Model this call Put · $35 Last $0.10 Breakeven $34.90 Implied vol 103.2% Delta -0.083 ≈8% ITM Gamma 0.013 Theta -0.042 Vega 0.018 Open interest 9 Model this put
0	—	126.1%	0.831	—		—	-0.084	79.3%	—	0
Call · $37.5 In the money Last — Breakeven — Implied vol 126.1% Delta 0.831 ≈83% ITM Gamma 0.017 Theta -0.085 Vega 0.027 Open interest 0 Model this call Put · $37.5 Last — Breakeven — Implied vol 79.3% Delta -0.084 ≈8% ITM Gamma 0.017 Theta -0.033 Vega 0.018 Open interest 0 Model this put
0	—	106.7%	0.799	—		$0.10	-0.056	49.9%	51	57
Call · $40 In the money Last — Breakeven — Implied vol 106.7% Delta 0.799 ≈80% ITM Gamma 0.023 Theta -0.081 Vega 0.037 Open interest 0 Model this call Put · $40 Last $0.10 Breakeven $39.90 Implied vol 49.9% Delta -0.056 ≈6% ITM Gamma 0.019 Theta -0.015 Vega 0.011 Open interest 57 Model this put
1	1	79.2%	0.768	$5.60		$0.67	-0.127	47.2%	5	7
Call · $42.5 In the money Last $5.60 Breakeven $48.10 Implied vol 79.2% Delta 0.768 ≈77% ITM Gamma 0.033 Theta -0.065 Vega 0.038 Open interest 1 Model this call Put · $42.5 Last $0.67 Breakeven $41.83 Implied vol 47.2% Delta -0.127 ≈13% ITM Gamma 0.038 Theta -0.027 Vega 0.029 Open interest 7 Model this put
1	1	71%	0.681	$3.40		$0.38	-0.2	34.3%	2	10
Call · $45 In the money Last $3.40 Breakeven $48.40 Implied vol 71% Delta 0.681 ≈68% ITM Gamma 0.043 Theta -0.069 Vega 0.039 Open interest 1 Model this call Put · $45 Last $0.38 Breakeven $44.62 Implied vol 34.3% Delta -0.2 ≈20% ITM Gamma 0.07 Theta -0.026 Vega 0.03 Open interest 10 Model this put
2	1	51.8%	0.564	$1.64		$1.10	-0.41	26.6%	16	23
Call · $47.5 In the money Last $1.64 Breakeven $49.14 Implied vol 51.8% Delta 0.564 ≈56% ITM Gamma 0.065 Theta -0.055 Vega 0.046 Open interest 2 Model this call Put · $47.5 Last $1.10 Breakeven $46.40 Implied vol 26.6% Delta -0.41 ≈41% ITM Gamma 0.125 Theta -0.028 Vega 0.046 Open interest 23 Model this put
Underlying $49.24
26	2	48%	0.392	$2.92		$1.60	-0.869	14%	1	1
Call · $50 Last $2.92 Breakeven $52.92 Implied vol 48% Delta 0.392 ≈39% ITM Gamma 0.069 Theta -0.05 Vega 0.048 Open interest 26 Model this call Put · $50 In the money Last $1.60 Breakeven $48.40 Implied vol 14% Delta -0.869 ≈87% ITM Gamma 0.132 Theta -0.008 Vega 0.021 Open interest 1 Model this put
26	3	45.7%	0.233	$1.65		—	—	—	—	0
Call · $52.5 Last $1.65 Breakeven $54.15 Implied vol 45.7% Delta 0.233 ≈23% ITM Gamma 0.057 Theta -0.038 Vega 0.033 Open interest 26 Model this call Put · $52.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
83	21	42.2%	0.107	$0.39		$5.00	—	—	2	2
Call · $55 Last $0.39 Breakeven $55.39 Implied vol 42.2% Delta 0.107 ≈11% ITM Gamma 0.037 Theta -0.021 Vega 0.022 Open interest 83 Model this call Put · $55 In the money Last $5.00 Breakeven $50.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
7	3	56.6%	0.112	$0.30		—	—	—	—	0
Call · $57.5 Last $0.30 Breakeven $57.80 Implied vol 56.6% Delta 0.112 ≈11% ITM Gamma 0.029 Theta -0.029 Vega 0.023 Open interest 7 Model this call Put · $57.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
23	1	50.8%	0.042	$0.20		—	—	—	—	0
Call · $60 Last $0.20 Breakeven $60.20 Implied vol 50.8% Delta 0.042 ≈4% ITM Gamma 0.015 Theta -0.012 Vega 0.013 Open interest 23 Model this call Put · $60 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
3	1	78.8%	0.071	$0.03		—	—	—	—	0
Call · $65 Last $0.03 Breakeven $65.03 Implied vol 78.8% Delta 0.071 ≈7% ITM Gamma 0.015 Theta -0.029 Vega 0.014 Open interest 3 Model this call Put · $65 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 923120 CUSIP 393657101 13F (30d) 49 filings 49 filers Visit website Investor relations