# Cboe Japan Enumerations Cboe Japan is an alternative trading system offering trading in Japanese equities, ETFs, and other listed securities. The following fields have Enumerations: * BOOK_TYPE - Type of order book or trading mechanism through which a trade was executed. * TRADE_PERIOD - Market period during which a trade was executed. * TRADE_TYPE - Type of trade #### BOOK_TYPE - Enumeration | Enumeration ID | Enumeration Description | |------------------|---------------------------| | 0 | Lit order book | #### TRADE_PERIOD - Enumeration | Enumeration ID | Enumeration Description | |------------------|---------------------------| | - | Regular trading | #### TRADE_TYPE - Enumeration | Enumeration ID | Enumeration Description | |------------------|---------------------------| | 0 | Regular trade |