NBBK Iron Condor Strategy

NBBK (NB Bancorp, Inc. Common Stock), in the Financial Services sector, (Banks - Regional industry), listed on NASDAQ.

NB Bancorp, Inc. focuses on operating as a bank holding company for Needham Bank that provides various banking products and services in Greater Boston metropolitan area and surrounding communities in Massachusetts, eastern Connecticut, southern New Hampshire, and Rhode Island. The company offers various deposits, including certificate of deposit, individual retirement, money market, savings, NOW, demand deposit, and interest-bearing and noninterest-bearing checking accounts; and commercial real estate and multifamily, one- to four-family residential real estate, construction and land development, commercial and industrial, and consumer loans, as well as home equity loans and lines of credit. It also invests in securities consisting of U.S. treasury and federal agency securities, government-sponsored residential mortgage-backed securities, municipal bonds, and corporate bonds. The company was founded in 1892 and is based in Needham, Massachusetts.

NBBK (NB Bancorp, Inc. Common Stock) trades in the Financial Services sector, specifically Banks - Regional, with a market capitalization of approximately $748.6M, a trailing P/E of 15.35, a beta of 0.06 versus the broader market, a 52-week range of 15.44-22.86, average daily share volume of 336K, a public-listing history dating back to 2023, approximately 376 full-time employees. These structural characteristics shape how NBBK stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.

A beta of 0.06 indicates NBBK has historically moved less than the broader market, dampening realized volatility and producing tighter expected-move bands per unit of dollar exposure. NBBK pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.

What is a iron condor on NBBK?

An iron condor sells a call spread and a put spread at strikes outside spot, collecting net premium that is kept if the underlying stays inside the inner short strikes.

Current NBBK snapshot

As of May 15, 2026, spot at $19.23, ATM IV 49.50%, IV rank 41.07%, expected move 14.19%. The iron condor on NBBK below is built from the same end-of-day chain, with strikes snapped to listed contracts and premiums pulled from the bid/ask midpoint at a 34-day expiry.

Why this iron condor structure on NBBK specifically: NBBK IV at 49.50% is mid-range versus its 1-year history, so the credit collected on a NBBK iron condor sits in line with its long-run distribution, with a market-implied 1-standard-deviation move of approximately 14.19% (roughly $2.73 on the underlying). The 34-day window matched to the front-month expiry keeps theta exposure bounded while still capturing the post-snapshot move; longer-dated NBBK expiries trade a higher absolute premium for lower per-day decay. Position sizing on NBBK should anchor to the underlying notional of $19.23 per share and to the trader's directional view on NBBK stock.

NBBK iron condor setup

The NBBK iron condor below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With NBBK near $19.23, the first option leg uses a $20.19 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed NBBK chain at a 34-day expiry; the cross-strike IV skew is reflected directly in the per-leg values rather than approximated. Quantity sizing assumes one contract per option leg (or 100 NBBK shares for the stock leg in covered calls and collars).

ActionTypeStrike / BasisPremium (est)
Sell 1Call$20.19N/A
Buy 1Call$21.15N/A
Sell 1Put$18.27N/A
Buy 1Put$17.31N/A

NBBK iron condor risk and reward

Net Premium / Debit
N/A
Max Profit (per contract)
Unbounded
Max Loss (per contract)
Unbounded
Breakeven(s)
None on modeled curve
Risk / Reward Ratio
N/A

Max profit equals the net credit times 100 inside the inner strikes; max loss equals wing width minus credit times 100. Two breakevens at inner strikes plus and minus the credit.

NBBK iron condor payoff curve

Modeled P&L at expiration across a range of underlying prices for the iron condor on NBBK. Each row is one sampled price point from the computed payoff curve; the full curve uses 200 price points internally before being summarized into 10 rows here.

When traders use iron condor on NBBK

Iron condors on NBBK are a delta-neutral premium-collection structure that profits if NBBK stock stays inside the inner short strikes; short strikes typically sit near 1 standard deviation from spot.

NBBK thesis for this iron condor

The market-implied 1-standard-deviation range for NBBK extends from approximately $16.50 on the downside to $21.96 on the upside. A NBBK iron condor is a delta-neutral premium-collection structure that pays off when NBBK stays inside the inner short strikes through expiration; the wing width should reflect the trader's tolerance for the maximum loss scenario where the underlying breaches an outer strike. Current NBBK IV rank near 41.07% is mid-range against its 1-year distribution, so the IV signal is neutral; the iron condor thesis on NBBK should anchor more to the directional view and the expected-move geometry. As a Financial Services name, NBBK options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to NBBK-specific events.

NBBK iron condor positions are structurally neutral / range-bound; the modeled P&L assumes European-style exercise at expiration and ignores early assignment, transaction costs, dividends paid before expiry on the stock leg (when present), and the bid-ask spread on the listed chain. NBBK positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move NBBK alongside the broader basket even when NBBK-specific fundamentals are unchanged. Short-premium structures like a iron condor on NBBK carry tail risk when realized volatility exceeds the implied move; review historical NBBK earnings reactions and macro stress periods before sizing. Always rebuild the position from current NBBK chain quotes before placing a trade.

Frequently asked questions

What is a iron condor on NBBK?
A iron condor on NBBK is the iron condor strategy applied to NBBK (stock). The strategy is structurally neutral / range-bound: An iron condor sells a call spread and a put spread at strikes outside spot, collecting net premium that is kept if the underlying stays inside the inner short strikes. With NBBK stock trading near $19.23, the strikes shown on this page are snapped to the nearest listed NBBK chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
How are NBBK iron condor max profit and max loss calculated?
Max profit equals the net credit times 100 inside the inner strikes; max loss equals wing width minus credit times 100. Two breakevens at inner strikes plus and minus the credit. For the NBBK iron condor priced from the end-of-day chain at a 30-day expiry (ATM IV 49.50%), the computed maximum profit is unbounded per contract and the computed maximum loss is unbounded per contract. Live intraday quotes will differ as the chain moves through the trading session.
What is the breakeven for a NBBK iron condor?
The breakeven for the NBBK iron condor priced on this page is no defined breakeven on the modeled curve at expiration, derived from end-of-day chain premiums. Breakeven is the underlying price at which the strategy's P&L crosses zero ignoring transaction costs and assignment risk. The current NBBK market-implied 1-standard-deviation expected move is approximately 14.19%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
When should you consider a iron condor on NBBK?
Iron condors on NBBK are a delta-neutral premium-collection structure that profits if NBBK stock stays inside the inner short strikes; short strikes typically sit near 1 standard deviation from spot.
How does current NBBK implied volatility affect this iron condor?
NBBK ATM IV is at 49.50% with IV rank near 41.07%, which is mid-range against its 1-year history. Strategy selection depends more on directional thesis and expected move than on a strong IV signal.

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