Java API for startup hi-speed algo trading

I'd say it's pretty unnatural to build a fix interface on top of a binary exchange connector, for example.

If it talks native, you talk native.

Throw away frameworks and pretty diagrams, and just hit it with your orders directly.

Creating fix to consume fix is just silly.
 
Quote from afx111:

hi all, which order execution api/broker would u recommend for a startup algo trading firm? I do not mind subscribing to service as long as within resonable range. We only have startup capital of ~500,000USD. And also our software is coded in Java, we would need coloc services as well. Is there any brokers that will take us? tks!

This depends on how fast you need to go - how quickly you need to respond to market data and how heavy an order flow you expect to generate.

Are you looking at thousands of orders a second? Daily charts and weekly trades? Something in between?

What exactly is "coded in Java" - the algo itself? Is it assuming a particular feed format on the input side and order request on the output side? What about session management - is that already "coded in Java" as well?
 
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