Gap Request

The Gap Request message is used by a user’s process to request retransmission of a sequenced message (or messages) by one of Cboe’s gap servers.

Table 1. Gap Request
Field Offset Length Value/Type Description
Length 0 1 Binary Length of this message including this field.
Message Type 1 1 0x03 Gap Request Message
Unit 2 1 Binary Unit that the gap is requested for.
Sequence 3 4 Binary
  • Sequence of first message
  • (lowest sequence in range).
Count 7 2 Binary Count of messages requested.
Total Length = 9 bytes
Cboe Titanium U.S. Options FLEX Feed Specification - Gap Request | Cboe