- Broken up
- Broker
- Broker-dealer
- Broker loan rate
- Brokered CD
- Brokered market
- Brokers' loans
- Brought over the wall
- Brussels Stock Exchange (BSE)
- Bubble theory
- Budget
- Budget authority
- Budget deficit
- Buck
- Bucket shop
- Budapest Stock Exchange
- Budget surplus
- Buenos Aires Stock Exchange (Bolsa de Comercio de Buenos Aires)
- Build a book
- Build Own Transfer
- Builder buydown loan
- Builders' All Risk
- Bulge
- Bulge bracket
- Bull
- Bull-bear bond
- Bull CD
- Bull market
- Bull spread
- Bulldog bond
- Bulldog market
- Bullet
- Bullet contract
- Bullet loan
- Bullet strategy
- Bullion coins
- Bullish
- Bump-up CD
- Bunching
- Bundling, unbundling