Setting merge policy to "MergeBackAdjusted" will merge intraday charts correctly - as far as I saw. However, the daily data is not merged correctly, but for ES 03-10 the merged contract shows data that is about 17 points lower for today. So it is completely off-track.
To reproduce this, you only need to load daily data of ES 03-10 and ES 12-09 and set merge policy to "MergeBackAdjusted", when not connected.
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