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Market Depth in TRTH using C# HSIM8

Hi All, Please help me get C#code for Market Depth data for HSIM8 and 1YMH9 in TRTH. HSIM8 can get the data on the 2018-01-08 by Web testing, but it cannot be obtained through the API; 1YMH9 can get data on the 2019-02-11 by Web test, but cannot get it through the API. @ jiangjk@jindefund.com
tick-history-rest-apimarket-depth
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Hi @Prathibha.Mariyappa,

Both HSIM8 and 1YMH9 are historical RIC. You may need to set the "AllowHistoricalInstruments":true in the ValidationOptions of request body. Below is the sample.

"IdentifierList": {
      "@odata.type": "#ThomsonReuters.Dss.Api.Extractions.ExtractionRequests.InstrumentIdentifierList",
      "InstrumentIdentifiers": ...,
      "ValidationOptions": {
          "AllowHistoricalInstruments": true
       },
      "UseUserPreferencesForValidationOptions": false
    }
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Both HSIM8 and 1YMH9 don't seem to be a valid identifiers. They are missing a suffix like - 1YMH9^0. What is the exact Market Depth call they are invoking? Is the timezone correctly identified as Central Time?

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