KEX · Kirby Corp

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$132.81 +1.71 (+1.30%) At close · Aug 6

Market Cap

$7.02B

52.80M

Options Chain

15-min delayed Underlying $132.81 · today Options Calculator

Positioning

Aug 21, 2026 · 14 days to expiry · 48 contracts

Put / call OI

0.77

Balanced positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$130.00

$2.81 below spot

ATM implied vol

27.9%

market's expected move

Open interest by strike

Calls Puts

100

105

110

115

120

125

130

135

140

145

150

155

160

165

170

175

180

185

190

195

200

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 14d Sep 18 42d Dec 18 133d Mar 19 224d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	120%	0.978	—		$0.30	-0.029	126.7%	1	1
Call · $85 In the money Last — Breakeven — Implied vol 120% Delta 0.978 ≈98% ITM Gamma 0.002 Theta -0.066 Vega 0.011 Open interest 0 Model this call Put · $85 Last $0.30 Breakeven $84.70 Implied vol 126.7% Delta -0.029 ≈3% ITM Gamma 0.002 Theta -0.075 Vega 0.022 Open interest 1 Model this put
0	—	106.2%	0.976	—		$0.30	-0.035	114.7%	1	1
Call · $90 In the money Last — Breakeven — Implied vol 106.2% Delta 0.976 ≈98% ITM Gamma 0.002 Theta -0.064 Vega 0.022 Open interest 0 Model this call Put · $90 Last $0.30 Breakeven $89.70 Implied vol 114.7% Delta -0.035 ≈3% ITM Gamma 0.003 Theta -0.079 Vega 0.022 Open interest 1 Model this put
0	—	94.8%	0.97	—		$0.31	-0.042	103.4%	1	2
Call · $95 In the money Last — Breakeven — Implied vol 94.8% Delta 0.97 ≈97% ITM Gamma 0.003 Theta -0.068 Vega 0.023 Open interest 0 Model this call Put · $95 Last $0.31 Breakeven $94.69 Implied vol 103.4% Delta -0.042 ≈4% ITM Gamma 0.003 Theta -0.083 Vega 0.023 Open interest 2 Model this put
0	—	81.9%	0.966	—		—	-0.054	94.9%	—	0
Call · $100 In the money Last — Breakeven — Implied vol 81.9% Delta 0.966 ≈97% ITM Gamma 0.003 Theta -0.065 Vega 0.023 Open interest 0 Model this call Put · $100 Last — Breakeven — Implied vol 94.9% Delta -0.054 ≈5% ITM Gamma 0.004 Theta -0.094 Vega 0.023 Open interest 0 Model this put
0	—	80%	0.943	—		—	-0.048	74.2%	—	0
Call · $105 In the money Last — Breakeven — Implied vol 80% Delta 0.943 ≈94% ITM Gamma 0.005 Theta -0.094 Vega 0.041 Open interest 0 Model this call Put · $105 Last — Breakeven — Implied vol 74.2% Delta -0.048 ≈5% ITM Gamma 0.005 Theta -0.066 Vega 0.024 Open interest 0 Model this put
0	—	57.9%	0.955	—		—	-0.06	64.5%	—	0
Call · $110 In the money Last — Breakeven — Implied vol 57.9% Delta 0.955 ≈96% ITM Gamma 0.006 Theta -0.06 Vega 0.024 Open interest 0 Model this call Put · $110 Last — Breakeven — Implied vol 64.5% Delta -0.06 ≈6% ITM Gamma 0.007 Theta -0.07 Vega 0.042 Open interest 0 Model this put
0	—	48.8%	0.941	—		—	-0.067	50.7%	—	0
Call · $115 In the money Last — Breakeven — Implied vol 48.8% Delta 0.941 ≈94% ITM Gamma 0.009 Theta -0.064 Vega 0.025 Open interest 0 Model this call Put · $115 Last — Breakeven — Implied vol 50.7% Delta -0.067 ≈7% ITM Gamma 0.01 Theta -0.059 Vega 0.043 Open interest 0 Model this put
0	—	39%	0.913	—		—	-0.117	45.4%	—	0
Call · $120 In the money Last — Breakeven — Implied vol 39% Delta 0.913 ≈91% ITM Gamma 0.015 Theta -0.067 Vega 0.044 Open interest 0 Model this call Put · $120 Last — Breakeven — Implied vol 45.4% Delta -0.117 ≈12% ITM Gamma 0.016 Theta -0.08 Vega 0.044 Open interest 0 Model this put
0	—	35.6%	0.819	—		$1.99	-0.22	43.1%	2	7
Call · $125 In the money Last — Breakeven — Implied vol 35.6% Delta 0.819 ≈82% ITM Gamma 0.028 Theta -0.095 Vega 0.068 Open interest 0 Model this call Put · $125 Last $1.99 Breakeven $123.01 Implied vol 43.1% Delta -0.22 ≈22% ITM Gamma 0.026 Theta -0.114 Vega 0.089 Open interest 7 Model this put
6	8	30.9%	0.661	$5.80		$2.30	-0.352	33.9%	8	15
Call · $130 In the money Last $5.80 Breakeven $135.80 Implied vol 30.9% Delta 0.661 ≈66% ITM Gamma 0.045 Theta -0.113 Vega 0.104 Open interest 6 Model this call Put · $130 Last $2.30 Breakeven $127.70 Implied vol 33.9% Delta -0.352 ≈35% ITM Gamma 0.042 Theta -0.111 Vega 0.104 Open interest 15 Model this put
Underlying $132.81
1	1	29.2%	0.418	$11.17		—	-0.597	26.6%	—	0
Call · $135 Last $11.17 Breakeven $146.17 Implied vol 29.2% Delta 0.418 ≈42% ITM Gamma 0.05 Theta -0.109 Vega 0.108 Open interest 1 Model this call Put · $135 In the money Last — Breakeven — Implied vol 26.6% Delta -0.597 ≈60% ITM Gamma 0.056 Theta -0.087 Vega 0.107 Open interest 0 Model this put
0	—	25%	0.164	—		$4.20	-0.898	20.6%	1	1
Call · $140 Last — Breakeven — Implied vol 25% Delta 0.164 ≈16% ITM Gamma 0.037 Theta -0.058 Vega 0.075 Open interest 0 Model this call Put · $140 In the money Last $4.20 Breakeven $135.80 Implied vol 20.6% Delta -0.898 ≈90% ITM Gamma 0.038 Theta -0.026 Vega 0.046 Open interest 1 Model this put
13	3	32.6%	0.103	$1.71		—	—	—	—	0
Call · $145 Last $1.71 Breakeven $146.71 Implied vol 32.6% Delta 0.103 ≈10% ITM Gamma 0.02 Theta -0.054 Vega 0.051 Open interest 13 Model this call Put · $145 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	2	58.3%	0.168	$2.39		—	—	—	—	0
Call · $150 Last $2.39 Breakeven $152.39 Implied vol 58.3% Delta 0.168 ≈17% ITM Gamma 0.016 Theta -0.135 Vega 0.076 Open interest 4 Model this call Put · $150 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
6	3	58.4%	0.109	$0.40		—	—	—	—	0
Call · $155 Last $0.40 Breakeven $155.40 Implied vol 58.4% Delta 0.109 ≈11% ITM Gamma 0.012 Theta -0.1 Vega 0.052 Open interest 6 Model this call Put · $155 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	2	58%	0.064	$0.20		—	—	—	—	0
Call · $160 Last $0.20 Breakeven $160.20 Implied vol 58% Delta 0.064 ≈6% ITM Gamma 0.008 Theta -0.067 Vega 0.031 Open interest 4 Model this call Put · $160 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	94.9%	0.15	$1.45		—	—	—	—	0
Call · $165 Last $1.45 Breakeven $166.45 Implied vol 94.9% Delta 0.15 ≈15% ITM Gamma 0.009 Theta -0.204 Vega 0.053 Open interest 1 Model this call Put · $165 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	81.8%	0.077	—		—	—	—	—	0
Call · $170 Last — Breakeven — Implied vol 81.8% Delta 0.077 ≈8% ITM Gamma 0.007 Theta -0.109 Vega 0.031 Open interest 0 Model this call Put · $170 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	79%	0.05	—		—	—	—	—	0
Call · $175 Last — Breakeven — Implied vol 79% Delta 0.05 ≈5% ITM Gamma 0.005 Theta -0.074 Vega 0.032 Open interest 0 Model this call Put · $175 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	85.5%	0.047	—		—	—	—	—	0
Call · $180 Last — Breakeven — Implied vol 85.5% Delta 0.047 ≈5% ITM Gamma 0.004 Theta -0.076 Vega 0.032 Open interest 0 Model this call Put · $180 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	107.3%	0.077	—		—	—	—	—	0
Call · $185 Last — Breakeven — Implied vol 107.3% Delta 0.077 ≈8% ITM Gamma 0.005 Theta -0.142 Vega 0.033 Open interest 0 Model this call Put · $185 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	98.2%	0.042	—		—	—	—	—	0
Call · $190 Last — Breakeven — Implied vol 98.2% Delta 0.042 ≈4% ITM Gamma 0.003 Theta -0.08 Vega 0.033 Open interest 0 Model this call Put · $190 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $195 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $195 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $200 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $200 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 56047 CUSIP 497266106 13F (30d) 183 filings 166 filers Visit website Investor relations