Extracting volume from betfair data

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abgespaced
Posts: 133
Joined: Sun Aug 23, 2020 2:25 am
Location: Australia

Hi guys,

I've bought a month of the advanced football data from betfair.

I have managed to extract what I think are the traded volumes for win, loss and draw at the start of play, assuming the "tv:" delimiter means traded volume.

Can someone confirm if that is correct? Because the market volume I have recorded by BA doesn't match up to any individual amount or even the sum.

I would rely on BA to capture volume, only it is 30% reliable with over 60% of my games missing the store volume data. So I am reliant upon betfair data.

I have managed to extract everything else that I need. Just can't figure out how the volume is recorded in the advanced data.

Thanks!
User avatar
abgespaced
Posts: 133
Joined: Sun Aug 23, 2020 2:25 am
Location: Australia

I think I've discovered something of use, though would be good if someone can confirm!

Some of the lines have a "tv:" (traded volume) delimiter without an "id" tag. It appears this unidentified tv is the market volume.

However, this independent number is only present on a few lines out of many.

Does anyone know how or why these values appear? And how would I calculate total volume without relying on these?

Thanks
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