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javert
on April 17, 2012
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A High Frequency Trader's Apologia, Part 1
So what you're saying is that the subpenny price that the trades are actually executing at is publicly available?
lrm242
on April 17, 2012
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[–]
Yes. Every trade is publicly available. The price, venue, size, etc.
cheddarmint
on April 17, 2012
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[–]
Yep. Here's an example:
http://www.google.com/finance?q=ABIO
When I checked this page, the last displayed trade was $0.737.
retrogradeorbit
on April 18, 2012
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parent
[–]
But isn't this just the aggregate? How is every trade visible? Why, if its all free and public, do you have to pay so much for live data feeds?
bradleyjg
on April 18, 2012
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root
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parent
[–]
All trades are made publicly avaiable
eventually
. The lower latency you want the more you have to pay. And some trades aren't avaiable at low latency for any price.
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