When are InstrumentDirectory messages sent by Blue Ocean ATS?
InstrumentDirectory messages are sent during session startup, typically around 5:30PM ET, but timing may vary.
The InstrumentDirectory message is sent as part of the session startup process.
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Typical timing: ~5:30PM ET
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Earliest observed: ~4:20PM ET
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Availability: Always accessible through snapshot or replay services
For this reason, Blue Ocean recommends connecting at 6:30PM ET, ensuring the platform is fully operational and ready to accept connections.