?Is the world MT5 reversal, Japan a paradise of its own tools? Share comparison of MT4 and MT5
About 80% of retail FX/CFD trading worldwide is MT4 and MT5 combined.
The developer is MetaQuotes. MT4 appeared in 2005, followed by MT5.
According to Finance Magnates Intelligence, MT5 traded 54.2% and MT4 45.8% in volume in Jan–Mar 2025, marking a first reversal; in Jul–Sep the figures were 62% vs 38%. Outside MetaQuotes, these shares were 15.7% in the same period, shrinking to about 16% in Jan–Mar 2026, andthe MT total is about 84%.
Looking at the numbers alone, it’s almost a monopoly, isn’t it.

?FX New Generation: One-Click FX Training
?The world has already moved to MT5, yet brokers are offering both?
When Brokeree surveyed over 900 brokers, about 68% offer MT5, about 40% offer MT4, and about 23% offer both. MetaQuotes has stopped selling new MT4 licenses since 2018.
How long will you continue supporting old tools? How would you judge?
cTrader and TradingView are gradually increasing, but in terms of trading volume they are still secondary.
In North America, MT4 remains visible on the web, while in other regions MT5 is dominant, showing regional differences.

?Japan is the opposite. Major firms have their own apps, MT is a minority
In Japan, GMO Click Securities, DMM FX,GFTFなど国内の企業が自社ツールで取引高の大半を占めます。
Of the about 46 registered with the Financial Services Agency, only a few are live and fully supported, including OANDA Securities, Avatrade Japan, Gaiten Finest, Rakuten Securities (Rakuten MT4), among others.

Among MT users, around 84% used MT4 circa 2022, about 56% in autumn 2024, and in a 2026 survey of 534 people MT5 was 48.7% and MT4 41.9%, approaching parity.
OANDA Securities ended MT4 on November 27, 2026, and will move position building to MT5 on their Tokyo server. This is not discarding MT itself but a generational shift from older standards to newer standards.
How will you move your familiarity and automated trading assets?

?Japan's own path, or FX's Galapagos?
Globally, migration from MT4 to MT5 continues, with MT5 overtaking MT4 in trading volume.Overall MT shares total around 84%.
Meanwhile, in Japan, major brokers focus on their own apps, taking a somewhat different path from the rest of the world.Should we view this as “Japan's unique usability,” or as FX's Galapagos?
Either way, as the global standard changes, it’s important to have an environment where users can transition without friction.

From MT4 to MT5. It’s not just about providing new software, but about making it as smooth as possible to transfer the knowledge, settings, and tools already in use — perhaps essential for the future FX environment.
What matters for investors and traders is not riding trends but being prepared to switch when changes occur.
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