Dukascopy fill off chart, technical reasons?

[corni]

Hello,
this morning I traded the GBP news at 8:30 on different brokers at the same time. At FXCM I even got positive slippage! But at Dukascopy the positions was filled a few pips above the ticks, which Dukascopy provide (see screenshot).
Aside the possible reason that duka makes money from slippage, are there any technical reasons, why a position gets filled at a price, which did not even exists at that time?

Thank you very much!

 

[Pharaoh]

Turn on the Ask line on the chart. That way you can see the spread. Also, ask Dukascopy if they can explain the issue to you.

 

[corni]

Turn on the Ask line on the chart. That way you can see the spread. Also, ask Dukascopy if they can explain the issue to you.

What you see on the screenshot I attached is a tick chart! So you already got both ask/bid lines. That is why I am asking as I wonder why a price get filled which was not there and it also did not exist in the near past, so slippage due to time delay cannot be a reason.

 

[Pharaoh]

This is why I need to get new glasses.

It's definitely time to show this to Dukascopy support and ask what's up with the issue.

 

[corni]

Well, the support is really crappy. The last time I ask a similar question, the reply was just a copy paste text about general risk around news events. But I will try my luck.
It is sad because with JForex I think Dukascopy is doing almost everything right, most importantly giving you the tick data for the whole history, but if the executions is that bad everything else does not matter.

 

[corni]

Update: This time the support was very willing to look into the issue and also willing to give a refund, even though I now I think it really was a purely technical reason:
1. The trade size was very small as I am only testing automatic strategies right now. Most of the offers between the open pirce and the ask price in the tick chart had minimum size restrictions so they could not be filled by my small order.
2. My order was sent to the server only 3 seconds before the news and Dukascopy executes "first come / first serve" so there were probably many other breakout orders placed before mine.

 

[Pharaoh]

For any chart anomalies, it's always a good idea to contact the broker. Often, it's easier to wait a day or two, just so they've had time to figure out what the problem is before you call.