Why did price spike on my broker but not on the FTSE?

This is a discussion on Why did price spike on my broker but not on the FTSE? within the Forex Brokers forums, part of the Commercial category; Originally Posted by EnlightenedJoe Someone who understands shops and markets should be able to trade that fine. Now that you ...

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Old Sep 14, 2017, 3:07pm   #9
et.
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Quote:
Originally Posted by EnlightenedJoe View Post
Someone who understands shops and markets should be able to trade that fine. Now that you have more idea on how it works, maybe you will do better next time.
That last chart is the one second time frame. Nobody trades at the one second time frame.

Only a computer program can trade that fast. What the one second timeframe screen cap suggests is that this is real data rather than a sudden jump up.

BUT! If it is real data then why did this not happen on the presumably official data that is shown on Google and Yahoo UK100 charts? Surely the market data should be identical - it normally is.

This spike comes from a data provider who (likely) provides data to multiple SB firms.

The SB firm might not be directly responsible for the spike in price, whatever the cause of it was.
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The trend shines ahead a light which shows the wall, where it has to turn back. But the torch can be turned by a higher power before it gets to the wall and the light will shine on a different wall.

LT outlook: FTSE to preliminary 7500 with possibility of flash crash to 4500 first (last updated: 14/09/2012).
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Old Sep 14, 2017, 3:15pm   #10
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SB shops don't use futures prices that google/yahoo show. SB prices are loosely based on the futures price.
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Old Sep 14, 2017, 3:21pm   #11
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Originally Posted by EnlightenedJoe View Post
SB shops don't use futures prices that google/yahoo show. SB prices are loosely based on the futures price.
What does that mean?

Google calls its data "INDEXFTSE real-time data"
Intra-day data may be provided by Interactive Data Real-Time Services, Inc.
INDEXFTSE FTSE Indexes Realtime

Yahoo uses delayed price. Why use futures prices if your prices are delayed? Might as well use the real price.
__________________
The trend shines ahead a light which shows the wall, where it has to turn back. But the torch can be turned by a higher power before it gets to the wall and the light will shine on a different wall.

LT outlook: FTSE to preliminary 7500 with possibility of flash crash to 4500 first (last updated: 14/09/2012).
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Old Sep 14, 2017, 3:25pm   #12
Joined Apr 2016
It means shop prices needn't correlate exactly with futures prices.
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Old Sep 14, 2017, 3:53pm   #13
et.
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Quote:
Originally Posted by EnlightenedJoe View Post
SB shops don't use futures prices that google/yahoo show. SB prices are loosely based on the futures price.
You contradict yourself in two sentences - are you saying SB firms use futures prices? Or that Google and Yahoo use futures prices? Where do Google and Yahoo say they use futures prices?
__________________
The trend shines ahead a light which shows the wall, where it has to turn back. But the torch can be turned by a higher power before it gets to the wall and the light will shine on a different wall.

LT outlook: FTSE to preliminary 7500 with possibility of flash crash to 4500 first (last updated: 14/09/2012).
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Old Sep 14, 2017, 4:00pm   #14
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SB shops don't use futures prices

futures prices that google/yahoo show
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Old Sep 14, 2017, 5:01pm   #15
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Quote:
Originally Posted by EnlightenedJoe View Post
SB shops don't use futures prices

futures prices that google/yahoo show
Thanks - but how do you know these are futures prices on Google and Yahoo, not the real price? Yahoo logs the prices in an archive. Doesn't tell you they aren't the real price. You are given to believe that they are the actual price.

My SB firm has a UK100 futures for September and December. The September data looks identical to the regular UK100, with the price spike. If Google and Yahoo use this futures data why don't they have the price spike?

At 14.04-14.05 on the December there is a 100+ point price spike that is not present on any other chart but 'flash crashes' and rises are a thing with algorithmic trading. What I'm questioning is the discrepancy between the data that the SB firms receive and the data received by Google and Yahoo.

Click the image to open in full size.
__________________
The trend shines ahead a light which shows the wall, where it has to turn back. But the torch can be turned by a higher power before it gets to the wall and the light will shine on a different wall.

LT outlook: FTSE to preliminary 7500 with possibility of flash crash to 4500 first (last updated: 14/09/2012).
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Old Sep 14, 2017, 5:10pm   #16
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SB shops are gambling establishments. They don't do futures. They offer bettings products that resemble futures.

Yahoo/google show the futures price traded on a securities exchange. If you want to trade the futures, go ask a bank. But they might call the police if you tell them to do 50p/point.
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