Ratio writer

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Ratio writer

An option writer who does not own the number of shares required to cover the call options he or she writes.

Ratio Writer

A writer (seller) of a call option contract who does not own a sufficient number of shares of the underlying asset. That is, while some of the calls are covered, the ratio writer sells a certain number of naked options. Ratio writers carry less risk than naked writers but more than sellers who write only covered calls.