BKU · BankUnited, Inc.

Track BKU — free Ask ALVIS about BKU

$46.63 -0.86 (-1.81%) At close · Aug 6

Market Cap

$3.39B

72.68M

Options Chain

15-min delayed Underlying $46.63 · at close Aug 6, 2026 Options Calculator

Positioning

Aug 21, 2026 · 14 days to expiry · 20 contracts

Put / call OI

0.00

Call-heavy positioning

Open interest

37,769

contracts outstanding

Volume

traded today

Max pain

$45.00

$1.63 below spot

ATM implied vol

36.9%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 14d Sep 18 42d Nov 20 105d Dec 18 133d Feb 19 196d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	5	216.8%	0.952	$23.20		$0.10	-0.044	212%	1	21
Call · $25 In the money Last $23.20 Breakeven $48.20 Implied vol 216.8% Delta 0.952 ≈95% ITM Gamma 0.005 Theta -0.068 Vega 0.012 Open interest 0 Model this call Put · $25 Last $0.10 Breakeven $24.90 Implied vol 212% Delta -0.044 ≈4% ITM Gamma 0.005 Theta -0.064 Vega 0.007 Open interest 21 Model this put
0	5	188%	0.914	$18.20		$0.15	-0.058	157.4%	1	10
Call · $30 In the money Last $18.20 Breakeven $48.20 Implied vol 188% Delta 0.914 ≈91% ITM Gamma 0.009 Theta -0.095 Vega 0.013 Open interest 0 Model this call Put · $30 Last $0.15 Breakeven $29.85 Implied vol 157.4% Delta -0.058 ≈6% ITM Gamma 0.008 Theta -0.059 Vega 0.013 Open interest 10 Model this put
0	2	143.3%	0.874	$12.80		$0.45	-0.08	111.2%	1	6
Call · $35 In the money Last $12.80 Breakeven $47.80 Implied vol 143.3% Delta 0.874 ≈87% ITM Gamma 0.016 Theta -0.095 Vega 0.021 Open interest 0 Model this call Put · $35 Last $0.45 Breakeven $34.55 Implied vol 111.2% Delta -0.08 ≈8% ITM Gamma 0.014 Theta -0.053 Vega 0.014 Open interest 6 Model this put
22	1	87.9%	0.831	$6.05		$0.05	-0.065	53.3%	2	87
Call · $40 In the money Last $6.05 Breakeven $46.05 Implied vol 87.9% Delta 0.831 ≈83% ITM Gamma 0.031 Theta -0.071 Vega 0.023 Open interest 22 Model this call Put · $40 Last $0.05 Breakeven $39.95 Implied vol 53.3% Delta -0.065 ≈7% ITM Gamma 0.026 Theta -0.022 Vega 0.015 Open interest 87 Model this put
65	2	47.6%	0.665	$2.90		$0.70	-0.237	26.1%	2	36
Call · $45 In the money Last $2.90 Breakeven $47.90 Implied vol 47.6% Delta 0.665 ≈67% ITM Gamma 0.084 Theta -0.057 Vega 0.032 Open interest 65 Model this call Put · $45 Last $0.70 Breakeven $44.30 Implied vol 26.1% Delta -0.237 ≈24% ITM Gamma 0.128 Theta -0.026 Vega 0.032 Open interest 36 Model this put
Underlying $46.63
552	2	31.3%	0.138	$0.46		$5.80	-0.915	25.2%	1	2
Call · $50 Last $0.46 Breakeven $50.46 Implied vol 31.3% Delta 0.138 ≈14% ITM Gamma 0.077 Theta -0.023 Vega 0.017 Open interest 552 Model this call Put · $50 In the money Last $5.80 Breakeven $44.20 Implied vol 25.2% Delta -0.915 ≈91% ITM Gamma 0.069 Theta -0.012 Vega 0.017 Open interest 2 Model this put
5.5k	6	56.5%	0.077	$0.05		—	—	—	—	0
Call · $55 Last $0.05 Breakeven $55.05 Implied vol 56.5% Delta 0.077 ≈8% ITM Gamma 0.028 Theta -0.026 Vega 0.018 Open interest 5.5k Model this call Put · $55 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	102.1%	0.129	$0.05		—	—	—	—	0
Call · $60 Last $0.05 Breakeven $60.05 Implied vol 102.1% Delta 0.129 ≈13% ITM Gamma 0.022 Theta -0.069 Vega 0.019 Open interest 1 Model this call Put · $60 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
14k	7	118.5%	0.098	$0.40		$18.74	—	—	2	0
Call · $65 Last $0.40 Breakeven $65.40 Implied vol 118.5% Delta 0.098 ≈10% ITM Gamma 0.016 Theta -0.066 Vega 0.019 Open interest 14k Model this call Put · $65 In the money Last $18.74 Breakeven $46.26 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
17.5k	4	138.6%	0.088	$0.20		—	—	—	—	0
Call · $70 Last $0.20 Breakeven $70.20 Implied vol 138.6% Delta 0.088 ≈9% ITM Gamma 0.013 Theta -0.072 Vega 0.012 Open interest 17.5k Model this call Put · $70 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 1504008 CUSIP 06652K103 13F (30d) 107 filings 106 filers Visit website Investor relations