GFF · Griffon Corp

Track GFF — free Ask ALVIS about GFF

$87.59 -5.88 (-6.29%) At close · Jul 29

Market Cap

$4.02B

45.87M

Options Chain

15-min delayed Underlying $87.59 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 38 contracts

Put / call OI

0.17

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$90.00

$2.41 above spot

ATM implied vol

48.5%

market's expected move

Open interest by strike

Calls Puts

100

105

110

115

120

125

130

135

140

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Oct 16 78d Dec 18 141d Jan 15 169d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		—	—	—	—	0
Call · $50 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $50 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $55 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $55 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	-0.044	97%	—	0
Call · $60 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $60 Last — Breakeven — Implied vol 97% Delta -0.044 ≈4% ITM Gamma 0.004 Theta -0.044 Vega 0.018 Open interest 0 Model this put
0	—	—	—	—		—	-0.053	80.6%	—	0
Call · $65 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $65 Last — Breakeven — Implied vol 80.6% Delta -0.053 ≈5% ITM Gamma 0.006 Theta -0.042 Vega 0.019 Open interest 0 Model this put
0	—	32.3%	0.998	—		—	-0.069	65.3%	—	0
Call · $70 In the money Last — Breakeven — Implied vol 32.3% Delta 0.998 ≈100% ITM Gamma 0.001 Theta -0.006 Vega 0.001 Open interest 0 Model this call Put · $70 Last — Breakeven — Implied vol 65.3% Delta -0.069 ≈7% ITM Gamma 0.009 Theta -0.042 Vega 0.034 Open interest 0 Model this put
0	—	51.1%	0.903	—		—	-0.095	50.6%	—	0
Call · $75 In the money Last — Breakeven — Implied vol 51.1% Delta 0.903 ≈90% ITM Gamma 0.015 Theta -0.047 Vega 0.035 Open interest 0 Model this call Put · $75 Last — Breakeven — Implied vol 50.6% Delta -0.095 ≈9% ITM Gamma 0.015 Theta -0.041 Vega 0.035 Open interest 0 Model this put
0	—	56%	0.768	—		$1.85	-0.18	43.1%	1	1
Call · $80 In the money Last — Breakeven — Implied vol 56% Delta 0.768 ≈77% ITM Gamma 0.025 Theta -0.087 Vega 0.071 Open interest 0 Model this call Put · $80 Last $1.85 Breakeven $78.15 Implied vol 43.1% Delta -0.18 ≈18% ITM Gamma 0.028 Theta -0.054 Vega 0.054 Open interest 1 Model this put
0	—	51.1%	0.622	—		$2.50	-0.374	48.4%	1	8
Call · $85 In the money Last — Breakeven — Implied vol 51.1% Delta 0.622 ≈62% ITM Gamma 0.034 Theta -0.098 Vega 0.084 Open interest 0 Model this call Put · $85 Last $2.50 Breakeven $82.50 Implied vol 48.4% Delta -0.374 ≈37% ITM Gamma 0.036 Theta -0.087 Vega 0.084 Open interest 8 Model this put
Underlying $87.59
14	10	48.9%	0.441	$4.00		—	-0.562	48.1%	—	0
Call · $90 Last $4.00 Breakeven $94.00 Implied vol 48.9% Delta 0.441 ≈44% ITM Gamma 0.037 Theta -0.096 Vega 0.087 Open interest 14 Model this call Put · $90 In the money Last — Breakeven — Implied vol 48.1% Delta -0.562 ≈56% ITM Gamma 0.038 Theta -0.089 Vega 0.087 Open interest 0 Model this put
10	1	58.6%	0.318	$2.70		—	-0.696	55.5%	—	0
Call · $95 Last $2.70 Breakeven $97.70 Implied vol 58.6% Delta 0.318 ≈32% ITM Gamma 0.028 Theta -0.103 Vega 0.079 Open interest 10 Model this call Put · $95 In the money Last — Breakeven — Implied vol 55.5% Delta -0.696 ≈70% ITM Gamma 0.029 Theta -0.09 Vega 0.079 Open interest 0 Model this put
29	16	75.3%	0.27	$1.30		—	-0.821	54.2%	—	0
Call · $100 Last $1.30 Breakeven $101.30 Implied vol 75.3% Delta 0.27 ≈27% ITM Gamma 0.02 Theta -0.124 Vega 0.081 Open interest 29 Model this call Put · $100 In the money Last — Breakeven — Implied vol 54.2% Delta -0.821 ≈82% ITM Gamma 0.023 Theta -0.064 Vega 0.061 Open interest 0 Model this put
0	—	55.9%	0.11	—		—	-0.884	58.1%	—	0
Call · $105 Last — Breakeven — Implied vol 55.9% Delta 0.11 ≈11% ITM Gamma 0.015 Theta -0.052 Vega 0.043 Open interest 0 Model this call Put · $105 In the money Last — Breakeven — Implied vol 58.1% Delta -0.884 ≈88% ITM Gamma 0.016 Theta -0.05 Vega 0.042 Open interest 0 Model this put
0	—	62.8%	0.081	—		—	-0.898	68.5%	—	0
Call · $110 Last — Breakeven — Implied vol 62.8% Delta 0.081 ≈8% ITM Gamma 0.011 Theta -0.047 Vega 0.044 Open interest 0 Model this call Put · $110 In the money Last — Breakeven — Implied vol 68.5% Delta -0.898 ≈90% ITM Gamma 0.013 Theta -0.054 Vega 0.042 Open interest 0 Model this put
0	—	69.2%	0.067	—		—	-0.922	74.7%	—	0
Call · $115 Last — Breakeven — Implied vol 69.2% Delta 0.067 ≈7% ITM Gamma 0.009 Theta -0.044 Vega 0.026 Open interest 0 Model this call Put · $115 In the money Last — Breakeven — Implied vol 74.7% Delta -0.922 ≈92% ITM Gamma 0.01 Theta -0.048 Vega 0.025 Open interest 0 Model this put
0	—	92.2%	0.104	—		—	-0.894	93.6%	—	0
Call · $120 Last — Breakeven — Implied vol 92.2% Delta 0.104 ≈10% ITM Gamma 0.009 Theta -0.081 Vega 0.045 Open interest 0 Model this call Put · $120 In the money Last — Breakeven — Implied vol 93.6% Delta -0.894 ≈89% ITM Gamma 0.009 Theta -0.077 Vega 0.044 Open interest 0 Model this put
0	—	84.8%	0.057	—		—	-0.92	96.2%	—	0
Call · $125 Last — Breakeven — Implied vol 84.8% Delta 0.057 ≈6% ITM Gamma 0.006 Theta -0.047 Vega 0.027 Open interest 0 Model this call Put · $125 In the money Last — Breakeven — Implied vol 96.2% Delta -0.92 ≈92% ITM Gamma 0.008 Theta -0.064 Vega 0.026 Open interest 0 Model this put
0	—	—	—	—		—	-0.933	99.8%	—	0
Call · $130 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $130 In the money Last — Breakeven — Implied vol 99.8% Delta -0.933 ≈93% ITM Gamma 0.006 Theta -0.057 Vega 0.026 Open interest 0 Model this put
0	—	—	—	—		—	-0.936	106.9%	—	0
Call · $135 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $135 In the money Last — Breakeven — Implied vol 106.9% Delta -0.936 ≈94% ITM Gamma 0.006 Theta -0.058 Vega 0.027 Open interest 0 Model this put
0	—	—	—	—		—	-0.915	126.5%	—	0
Call · $140 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $140 In the money Last — Breakeven — Implied vol 126.5% Delta -0.915 ≈91% ITM Gamma 0.006 Theta -0.09 Vega 0.027 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 50725 CUSIP 398433102 13F (30d) 74 filings 74 filers Visit website Investor relations