Trading across more than one platform or broker is common — a demo on one server, a funded account on another, a strategy you want mirrored onto a third. Most copy-trading tools only work within a single platform. Goldman Copier exists because that gap was worth actually closing.
Goldman Copier relays trades — opens, modifies, and closes — from a master account to one or more follower accounts, with configurable position sizing and risk limits on each. It supports MT4, MT5, cTrader and TradeLocker, and copying works in any direction between them: a trade taken on cTrader can land on an MT5 follower, and a trade taken on MT4 can land on a cTrader follower, without needing every account to be on the same platform.
The common thread: anyone whose trading or client accounts span more than one platform or broker.
One honest exception: pure scalping. The current relay checks for changes on a polling cycle (roughly 1-2 seconds), not the sub-second execution true scalping strategies depend on. If your edge relies on that level of timing precision, this isn't the right fit yet — everything above assumes swing, day-trading, or position-holding timeframes, where a second or two of relay time doesn't matter.
A few principles guided the actual engineering, not just the pitch:
Goldman Copier is an actively developed product, not a finished, static one. MT4 and MT5 copying (in all four directional combinations) is proven working end-to-end. cTrader support is live and connected to real accounts. TradeLocker copying works to and from MT4/MT5 and cTrader, tested on real demo accounts. Being upfront about what's proven versus what's still being tested is part of how this gets built.