Quote:
In [Test] mode, bar generation is based on the UTC time stamps of the historical price data. For M1 data it is supposed that the time stamps indicate the end (not the start) of a tick....In [Trade] mode, bar generation is based on UTC time from the PC clock, not on the broker's server time

Zorro records historical M1 bars from IB with time stamps indicating start of a bar. Is this by design or a bug?
Timestamps in RT are end of bar.