NB Bancorp (NBBK) Options Chain
NASDAQ: NBBKFinanceBanksUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
After hours: 22.55 0.00%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $22.55
- Put/call ratio (OI)
- 0.13
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$2.19
- Open interest (C / P)
- 79 / 10
NBBK options summary
The NBBK options chain for the October 16, 2026 expiration lists 3 call and 1 put contracts, with 8 days until expiration. Open interest stands at 79 calls and 10 puts, a put/call ratio of 0.13, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $22.50 strike is 65.6%, which implies the market expects a move of about ±$2.19 (9.7%) in NB Bancorp stock by expiration.
The most open interest sits at the $25.00 call (47 contracts) and the $15.00 put (10 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
NBBK options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 15.00 | 0.00 | 0.25 | 1.75 | |||||
| 2.00 | 1.75 | 4.60 | 20.00 | — | — | — | |||||
| 0.63 | 0.00 | 0.95 | 22.50 | — | — | — | |||||
| 0.05 | 0.00 | 0.75 | 25.00 | — | — | — | |||||
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 NBBK put/call ratio?
For the October 16, 2026 expiration, the NBBK put/call ratio based on open interest is 0.13 (10 puts vs 79 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is NBBK's implied volatility?
At-the-money implied volatility for NBBK options expiring October 16, 2026 is about 65.6%, an annualized estimate of how much the market expects NB Bancorp stock to move.
How many NBBK option expiration dates are there?
NBBK 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.