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Trader problem · Slippage

Why Getting a VPS Didn't Reduce Your Slippage

Slippage happens during the milliseconds your order spends travelling from your platform to the broker's matching engine. A VPS moves your platform — it does nothing to shorten that journey.

TL;DR

Slippage is the difference between the price you expected and the price your order filled at. It is caused by market movement during order transit time. A VPS relocates your trading app but does not change how quickly your orders reach the broker. The latency between your VPS (or home PC) and the broker's matching engine is what determines fill quality — and that is set by the network route, not the server.

See the plansWhy slippage spikes during news
Slippage source
Price movement during order transit — not platform location.
VPS effect
Moves your app. Does not shorten the route to the broker's server.
What matters
Latency from your platform to the broker's matching engine.

What slippage actually is

Slippage is the gap between your requested price and your actual fill price. It happens because the market is moving while your order is in transit. If you place a buy order at 1.0850 and the market moves to 1.0851 before the broker's server receives the order, your fill price is now 1.0851 instead — one pip of slippage. The faster the instrument is moving and the longer the order takes to arrive, the more slippage you get. It is not caused by your broker cheating you — it is caused by time.

The only way to reduce slippage is to reduce the time an order spends travelling from your platform to the broker. This brings us back to the critical metric: latency.

Where slippage happens — it is not in your platform

Your trading platform calculates and sends the order instantly. Slippage does not happen inside MT4. It happens in two places: (1) in the network path between MT4 and the broker's server, and (2) in the queue at the broker's matching engine. By the time the broker's server receives your order, the market price has already moved.

When you click "Buy" in MT4, your order is encoded and sent as a network packet. That packet takes milliseconds to travel across the internet to the broker's datacenter. During those milliseconds, the price is moving. When the broker's matching engine receives the order, it tries to fill at the best available price at that exact moment. The difference between your expected price and that best available price is slippage.

Why a VPS does not fix slippage

A VPS improves three things: platform uptime (no PC sleep or restarts), local internet stability at the datacenter, and the ability to run expert advisors 24/7. It does not improve the path from the VPS to the broker's server. If your VPS is in Frankfurt and your broker's matching engine is at LD4 in Slough, your order still crosses the same public internet hops. The transit time does not change.

This is why many traders report no improvement in slippage after moving to a VPS — the VPS location was never the bottleneck. The bottleneck is the quality of the network connection between the VPS (or your home PC) and the broker's facility.

What actually determines your fill quality

The primary factor is the round-trip latency between your sending machine and the broker's datacenter. If you are sending orders with 200ms latency and the market is moving 5 pips per second, you are giving away 1 pip to slippage on every trade. If you reduce latency to 20ms, you are giving away 0.1 pip on the same market move. That is a 10× improvement in fill quality.

The secondary factor is how fast the instrument you are trading is moving at the time you send the order. Slippage on a fast-moving news event with 50ms latency will be larger than slippage on a quiet session with the same latency. But you cannot control market speed — you can only control latency.

To see your current latency to your broker's server, check the latency data by broker for typical RTT values.

How a proxy node near the broker's DC reduces slippage

TradersProxy nodes are positioned in the same Equinix facilities as your broker's matching engine: NY4 in New York, LD4 in Slough, TY3 in Tokyo, SY4 in Sydney. When you route MT4 through a TradersProxy SOCKS5 node at LD4, your order takes a direct, low-hop path to the broker. The transit time drops from 50–200ms to 2–5ms.

With transit time collapsed, the market has far less time to move between when you send your order and when the broker receives it. That is the mechanism behind tighter fills — not VPS RAM or CPU speed, but actual time-to-fill reduction.

To get started, follow the guide to configure SOCKS5 in MT4.

Execution Quality

Less transit time means smaller fill gaps.

When your order arrives at the broker within a few milliseconds instead of 50–200ms, the market has moved far less by the time it fills. That is the mechanism behind tighter fills — not VPS RAM or CPU speed.

Try it free for 7 days

If the route is the problem, a trading proxy that optimises the path is the fix at the infrastructure level — a relay node co-located near your broker's datacenter replaces the unstable public internet hops with a dedicated path. 7-day trial on Starter →

FAQ

VPS performance and slippage are not connected. Slippage is caused by order transit latency, not server speed.

Yes, significantly. A VPS in the same city as your broker's matching engine will have lower transit time and therefore less slippage risk than one in a different country.

Depends on the instrument and market conditions. During liquid sessions on major pairs, 0.1–0.3 pip slippage is typical. More than 1 pip on a major pair in normal conditions suggests a route problem.

A-book brokers pass orders to the market — slippage is caused by market movement, not broker manipulation. B-book brokers fill internally; their slippage is more discretionary. Either way, lower latency means the price has moved less by the time your order arrives.

For traders whose current latency to their broker's DC is above 50ms, yes, measurably. The lower your current latency, the smaller the additional gain from further reduction.