BankUnited (BKU) Options Chain

NYSE: BKUFinanceSavings InstitutionsUSD

42.280.00 (0.00%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $42.28
Put/call ratio (OI): 0.43
Put/call ratio (volume): 0.14
ATM implied volatility: 65.1%
Expected move: ±$9.12
Open interest (C / P): 296 / 127

BKU options summary

The BKU options chain for the November 20, 2026 expiration lists 8 call and 9 put contracts, with 40 days until expiration. Open interest stands at 296 calls and 127 puts, a put/call ratio of 0.43, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $40.00 strike is 65.1%, which implies the market expects a move of about ±$9.12 (21.6%) in BankUnited stock by expiration.

The most open interest sits at the $30.00 call (202 contracts) and the $25.00 put (43 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

BKU options chain · November 20, 2026

BKU calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
0	1	125.2%	19.91	18.30	22.00	22.50	0.00	0.95	0.10	132.7%	2	15
—	—	—	—	—	—	25.00	0.00	1.75	0.30	134.9%	1	43
202	100	67.0%	12.75	11.40	13.60	30.00	0.00	1.75	0.25	97.6%	2	27
—	—	—	—	—	—	35.00	0.00	0.00	0.30	12.5%	1	0
—	—	—	—	—	—	40.00	0.30	2.55	0.70	65.1%	1	31
BKU $42.28
43	—	41.5%	0.65	0.20	1.30	45.00	0.00	0.00	1.70	—	1	0
10	1	52.9%	0.42	0.00	0.75	50.00	3.50	6.40	3.95	—	8	5
25	4	57.8%	0.25	0.00	0.75	55.00	7.60	10.40	7.12	—	1	4
12	11	71.1%	0.90	0.00	0.75	60.00	—	—	—	—	—	—
2	1	108.6%	0.70	0.00	2.20	65.00	16.20	20.00	18.55	—	—	2
2	1	93.0%	0.70	0.00	0.75	70.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the BKU put/call ratio?

For the November 20, 2026 expiration, the BKU put/call ratio based on open interest is 0.43 (127 puts vs 296 calls), and 0.14 based on today's volume. A ratio above 1 means more puts than calls.

What is BKU's implied volatility?

At-the-money implied volatility for BKU options expiring November 20, 2026 is about 65.1%, an annualized estimate of how much the market expects BankUnited stock to move.

How many BKU option expiration dates are there?

BKU has 5 listed expiration dates, from Oct 16, 2026 to May 21, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.