Option Writer Love Machine 16 years ago Option Writer Refer: Option seller. One who sells call and put options initially. Random Finance Terms for the Letter O Option Writer Option-Adjusted Spread (OAS) Options Contract Options Contract Multiple Options on Futures Options on Physicals Organized Exchange Original Face Value Original Issue Discount Debt (OID Debt) Origination Fee Recommended for you: Option-Adjusted Spread (OAS) Options on Futures Options on Physicals Organized Exchange