BankUnited (BKU) Options Chain

NYSE: BKUFinanceSavings InstitutionsUSD

42.61+0.35 (+0.83%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $42.61
Put/call ratio (OI): 0.05
Put/call ratio (volume): 0.00
ATM implied volatility: 58.2%
Expected move: ±$3.67
Open interest (C / P): 39 / 2

BKU options summary

The BKU options chain for the October 16, 2026 expiration lists 3 call and 2 put contracts, with 8 days until expiration. Open interest stands at 39 calls and 2 puts, a put/call ratio of 0.05, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $45.00 strike is 58.2%, which implies the market expects a move of about ±$3.67 (8.6%) in BankUnited stock by expiration.

The most open interest sits at the $50.00 call (37 contracts) and the $40.00 put (1 contracts).

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

BKU options chain · October 16, 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
—	—	—	—	—	—	40.00	0.00	1.15	0.29	63.2%	—	1
BKU $42.61
1	—	65.0%	0.83	0.00	0.75	45.00	1.80	3.90	1.50	51.3%	—	1
37	1	72.7%	0.35	0.00	0.30	50.00	—	—	—	—	—	—
1	—	77.3%	0.40	0.00	0.05	55.00	—	—	—	—	—	—

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 October 16, 2026 expiration, the BKU put/call ratio based on open interest is 0.05 (2 puts vs 39 calls), and 0.00 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 October 16, 2026 is about 58.2%, 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.