Articles

Practical reads around the OnlyProfit products: infrastructure, brokers, environment setup and everything that keeps the work stable.

Infrastructure7 minSeptember 25, 2026

A remote server for arbitrage: picking a VPS without overpaying

The OnlyForex engine runs around the clock and profits from speed differences — which makes it sensitive to latency. Where to rent a server, how the app finds your broker's servers on its own, and why paying long-term is a mistake.

Infrastructure10 minAugust 16, 2026

The tick's journey: where price comes from and why everyone's is different

On the chart, price looks like one simple number — but behind it are streams from dozens of banks, aggregators, bridges and filters. We trace a tick's road from the market maker to the candle on your screen: why two brokers show different prices at the same moment, where ticks disappear, and where in this chain the arbitrage window lives.

Infrastructure7 minAugust 16, 2026

Ping: how a packet reaches your broker and why you can't cheat the speed of light

Between your click on Buy and the broker's server lie thousands of kilometers of glass, dozens of routers and one hard law of physics. We break the packet's journey down piece by piece: where every millisecond comes from, where your traffic actually travels, how to measure ping honestly — and the only way to reduce it that actually works.

Infrastructure11 minAugust 16, 2026

IPs, proxies and VPNs: how the internet sees you and why masking leaks

Every request you send is signed with your address, and it tells sites more than you'd expect. Here's the full kitchen: what a site sees within milliseconds, how proxies and VPNs actually work, how the four address types differ — and why masking usually leaks where nobody thought to look.

Cinema9 minAugust 16, 2026

Trading on screen: from Wall Street greed to the war of algorithms

19 films and documentaries about the markets — from the 1987 Wall Street to chronicles of high-frequency trading where the main character is a millisecond. We cover them all: what to watch, in what order, and why for an arbitrage trader this is almost vocational training.