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Short answer: for latency arbitrage, network distance to the broker matters far more than CPU power.
The most common VPS mistake in arbitrage is buying on CPU and RAM. Those matter for running the software smoothly, but they are not the edge. The edge is how quickly a price change can travel from the market to your engine, and your order back to the broker. That is a network-distance problem, and it is governed by physics: the closer your server is to the broker, the shorter that trip.
A high-spec VPS three thousand kilometers from the broker will always lose to a modest VPS in the same building, because no amount of CPU can beat the speed of light over distance. This is why serious latency traders talk about co-location and data-center choice, not processor benchmarks.
Your total reaction time is a chain of delays. Latency arbitrage lives or dies on the sum of them, so it helps to see where the milliseconds go.
| Link in the chain | What it costs you |
|---|---|
| Feed to your VPS | How fast you learn the price moved. Distance to the feed source |
| Processing on the VPS | Usually the smallest part if the software is efficient |
| VPS to broker | The decisive link. Co-location makes this near zero, a distant VPS makes it fatal |
| Broker-side handling | Out of your control, and where hostile execution adds delay on purpose |
Notice that the last link is the broker’s, and a hostile broker can add delay there deliberately. That is why VPS choice and broker choice are the same problem viewed from two ends, and why we cover the broker side in detail in how brokers really fill your orders.
The practical decision comes down to what you are trading. Co-location, or a VPS inside the broker’s data center, gives the lowest possible latency to that broker and is effectively required for competitive latency arbitrage. A cheap general-purpose VPS in some far-off region is fine for running charts and slower strategies, but for latency arbitrage it puts you permanently behind. The rule is simple: match your hosting to the broker you actually trade, not to a generic “fastest VPS” list.
You do not have to guess. Measure the round-trip time from your VPS to the broker’s trade server and watch it over time, not just once. A good setup shows low and stable latency. Two warning signs matter: a baseline that is high because your VPS is simply too far from the broker, and a latency that suddenly steps up after your account becomes profitable, which points to added delay on the broker side rather than a hosting problem. For the full setup guidance, see our forex arbitrage VPS guide.
Only marginally. Once the software runs smoothly, more CPU does not shorten the network trip between your VPS and the broker, which is where the edge is won or lost. Network distance beats raw specs.
For competitive latency arbitrage, effectively yes. Hosting in the same data center as the broker gives the lowest possible latency to that broker. For slower, capital-driven strategies, an ordinary stable VPS is enough.
As low as you can get to your specific broker, ideally single-digit milliseconds round trip or better, which usually means co-location. The right target is defined relative to the broker’s server, not an absolute number.
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Set up hosting the right way, and learn how the broker side can add the very latency your VPS was meant to remove.