Data Provider and Broker working on different prices

Simon2489

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Hey All,

Basically, I use signal for my data, and I trade through GTF.
I'm trading UK Stocks.

I placed a trade last night on JMG.L (JMG-LON for esignal users) which I was trading the low test reversal bar from yesterday. See attached picture.
Screen_Shot_2013_02_01_at_14_12_29.png


Today GFT took me in and it hit my stop.

My order was E= 616.5 and S= 612.5


As of 14.10 GMT on 01/02/12
esignals daily bar says O 614.5, H 616, L 614, C 616
GFT's daily bar says O 614.38, H 614.38, L 611.38, C 612.38

I just randomly checked what yahoo was saying on the iPhone stocks app and they say something completely different too; O 621.5, H 622.5, L 614, C 616



Is there an explanation for such discrepancies in data? who's data is correct?
Based on signal, my trade shouldn't have even triggered.
 
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