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Limit on tick history in python API

What's the limit on the maximum tick history one can retrieve using the python API? For hourly I get a maximum of 2 years. If we have a tick history account, can we use that to get more historical data?

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From my test, I could get the maximum of 1 year for hourly data.

>>> req = ek.get_timeseries(["TRI.N"], start_date="2015-04-17T00:00:00", end_date="2015-07-10T00:00:00", interval="hour")
>>> req
{'TRI.N':                       HIGH     LOW    OPEN  CLOSE  COUNT    VOLUME
2015-05-18 15:00:00  40.98  40.910  40.920  40.93   29.0    3824.0
2015-05-18 16:00:00  41.04  40.930  40.930  40.97   93.0   14875.0
2015-05-18 17:00:00  40.99  40.810  40.970  40.82   64.0    9838.0
2015-05-18 18:00:00  40.87  40.780  40.830  40.86   46.0    7757.0
2015-05-18 19:00:00  40.86  40.800  40.860  40.81   46.0    9816.0
2015-05-18 20:00:00  40.87  40.805  40.805  40.81   87.0   27432.0
2015-05-18 21:00:00  40.82  40.820  40.820  40.82    1.0   27534.0

It is similar to Eikon Chart which limits the range of hourly data to 1 year.

However, you could get hourly data more than one year when using Thomson Reuters Tick History (TRTH). The following is the result from TRTH.


hour.png (26.4 KiB)
trth.png (27.6 KiB)
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Can you please explain what is TRTH? Thanks.

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TRTH is the acronym for Thomson Reuters Tick History, a separate product which allows retrieving historical pricing data since 1996. For more info click here.

Thomson Reuters Tick History (TRTH) is a web service for accessing historical data.