Issues with IB data source

10:23pm I had a tough time trying to sort out the pre-market data that screwed-up my charts yesterday. There were some price bars reflected, that were clearly not even shown on IB's trading platform, that is, the day's (Globex) highs & lows- it was really strange. In any case, it simply distorted my charts and the online help that I asked for, was really of no help at all, in handling my situation. Will just have to live with it. In my mind, I just have to cross out the "illogical price bars" shown, and reflect the low of the session, which happened to be pre-market activity...sigh.