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Hello @Sheng Fu.Huang,
For the previous discussion of market hours please refer to this discussion.
You may also find relevant this previous discussion thread and this example of exchange holiday info.
How can I use FieldList’s set definitions for payload in the MarketPrice response?
Crash in rsslFlush function in debugger
Can multiple encoding threads allocate RsslGetBuffer with the same RsslChannel?
UPA C++ 8.0: generic messages in private streams
UPA - loading appendix_a