Message
SystemEvent (S)
| ID | 9 |
System Event Messages signal events that affect the entire NASDAQ system.
Field | Name | Type | Req'd | Comments | Pedigree |
|---|---|---|---|---|---|
51 | System Event Message. | ||||
49 | Y | Expressed as nanoseconds since midnight. | |||
16 | Y | S = Start Of Day, indicating that exchange is open and is ready to accept orders. E = End Of Day, indicating that the exchange is closed and will no longer accept new orders. Note that it is still possible to receive breaks and cancels after this event. |
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