A DERIVATIVE contract that gives the buyer the right, but not the obligation, to purchase an UNDERLYING ASSET from the seller at a set STRIKE PRICE at, or before, expiry. In exchange, the buyer pays the seller a PREMIUM. Calls, which can be written on a broad range of financial and commodity references, are available as EXCHANGEtraded and OVERTHECOUNTER contracts, and can be structured as AMERICAN OPTIONS, BERMUDAN OPTIONS, or EUROPEAN OPTIONS. See also PUT OPTION.

• BUILDING CONTROL
• BUILDING DENIAL
• BUILDING EFFICIENCY
• BUILDING INSPECTOR
• BUILDING LEASE
• BUILDING LIEN
• BUILDING LINE
• BUILDING LINES
• BUILDING LOAN
• BUILDING PERMIT
• BUILDING RELATED ILLNESS
• BUILDING RESIDUAL METHOD
• BUILDING RESTRICTION
• BUILDING SERVICE CONTRACT
• BUILDING SOCIETY
• BUILDING SOCIETY
• BUILD, LEASE, TRANSFER
• BUILD, OWN, OPERATE, TRANSFER
• BUILD, OWN, OPERATE, TRANSFER
• BUILDUP
• BUL
• BULGE BRACKET
• BULK
• BULK CARGO
• BULK CARRIER