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Corrupt data



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Has anyone else (on BMI, TS4 build27) been seeing corrupt data lately?

I've been seeing a lot of glitches in INDU -- places where the price 
suddenly drops (or jumps?  not sure if it's done that) by a few 
hundred points, stays offset for a while, then pops back up to the 
right price.

Today I didn't see any problems in INDU.  I have a 1min chart that 
plotted all day with no problems, and it still looks fine.  But if I 
create a *new* 1min INDU, it's messed up.  At 3:11ET it drops from 
10135 to 9481, bounces between those levels until 3:15, then stays 
down in the 9400-9500 range until 3:49.  During that time the price 
waveform looks right, except it's 600+pts low.  At 3:49 it popped 
back up & down a few times, then resumed at the 10136 level, and 
continued properly for the final 10 minutes of the session.

Since it plotted correctly in realtime, apparently I received the 
data correctly.  But somehow it got stored wrong.  So I'm guessing 
this is NOT a BMI problem (bad ticks etc), but some kind of problem 
on my end.  Any idea what causes this, and how to fix/avoid it?

Thanks,
Gary