For questions dealing with market data sampled at high frequencies, such as tick data and intraday data.

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5
votes
4answers
904 views

Does HFT make sense in a pro-rata market?

If orders are filled pro rata, is there still incentive to engage in HFT? Because pro rata nullifies the time precedence rule, my intuition is no, but I figure there could be other aspects to it I'm ...
11
votes
3answers
687 views

What is the most effective way of determining & measuring the level of HFT activity in a stock in (close to) real time?

On a security by security basis, I want to be able to quantify the level of HFT activity (and later institutional & retail activity). Is it higher than it normally is? How much so? What would you ...
23
votes
5answers
7k views

What is a good broker for HFT?

Currently I trade trough IB. I run my HFT strategies (100 roundtrips per hour) but I think that latency is killing me and my profits are shrinking. I need the fastest possible brokers out there which ...
15
votes
7answers
16k views

Is the Interactive Brokers API suitable for hft?

By hft here I mean anything with holding period less than 5-10mins... Any empirical/anecdotal evidence of using it successfully on even higher frequencies?
28
votes
9answers
5k views

How 'High' is the frequency in HFT?

How many trades per second are we talking about? What kind of strategies are used in this time frame? Can the small guy play the game?
30
votes
8answers
7k views

What broker/feed/APIsetup allows for recording the most accurate data (cheaply)?

I'm currently using IB's Java API and getting feeds through them. However the real-time feed is updated only every 250ms and the historical feed only every second. I'm primarily looking for ES data ...