Imported from previous forum
Can anyone help me to explain the usage of NoTradingSession(Tag 386) and TradingSessionId(Tag 336).
Thank you.
[ original email was from Jim Northey - jnorthey@lasalletech.com ]
You are probably referring to the usage of these fields in the order message.
FIX 4.2 introduced the concept of Trading Sessions to primarily support multiple trading sessions that are emerging in various markets. These trading sessions are identified by their TradingSessionID[336].
For example an exchange may trade a product on a regular day session and an extended hours trading session. Within FIX - each of these trading sessions would be assigned some sort of identifier. Each market decides their trading session identifiers. We ask that they register those trading session ids with the exchange. We adopted an informal recommendation for markets to use their Reuter’s exchange code as a prefix, followed by some identifier for each trading session. The CBOE for instance has two, W_AM1 (morning session) and W_MAIN (regular open outcry market).
The originator of an order can specify zero to N trading sessions where the order can be placed.
NoTradingSessions[386] indicates the number of trading session ids in which the order can be placed.
If your counterparty does not support the concept of trading sessions, then these two fields can be omitted from the order.
> Can anyone help me to explain the usage of NoTradingSession(Tag 386) and TradingSessionId(Tag 336).
>
> Thank you.
>