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Measured, not asserted

Everything here is backed by runs we can point at: real recorded spread, every year tested separately, and the losing years left in. If a number appears in a post, the study that produced it is described well enough for you to reproduce it.

Bar chart of real EURUSD ticks per hourly bar by hour of day, peaking near 10,000 at 14:00 UTC, against a flat 48-tick line for the bar-derived stream
Data study13 min read

MT5 Strategy Tester accuracy: real ticks vs synthetic, and why backtests disagree

100 strategies, MetaTrader 5 and our engine, two tick models. Real ticks cut the median return gap from 8.97 to 6.07 pp, while exact trade matches fell from 43 to 5. Why both are true.

Tuomas "Tommy" JokelaTommy J.
Two EURUSD strategy cards: the search leaderboard's number one at +958% with losing years in red, and the best 2018 to 2023 pick, +1841% in view and -51% on the years it never saw
Data study13 min

Best EURUSD expert advisor: what happens to the top picks after they are picked

Picked on 2018-2023, the ten best EURUSD strategies compounded a median +961% and then -52% in the years after. What a holdout test over 8,098,335 backtests shows.

Bar chart: the share of gold strategies that are profitable on GBPUSD falls from 22.9% for the calmest tenth to 1.4% for the wildest tenth
Data study14 min

Best GBPUSD expert advisor: do gold strategies transfer to cable?

5,298,129 backtests, 2018-2026, on real recorded spread. How often a gold-selected strategy makes money on GBPUSD, why the rank correlation misleads, and what a holdout does to the best cable results.

Two strategy cards showing the per-year record of the best gold strategies tested, with losing years in red
Data study11 min

Best gold expert advisor for MT5: what 9 years of XAUUSD backtests actually show

186,637 XAUUSD backtests, 2018–2026, on real recorded spread. How many gold strategies are profitable, how many survive every single year, and what a flat-spread assumption hides.

RoboticEA trade replay on XAUUSD candles with entry and exit markers and live statistics
Product guide10 min

Free expert advisor for MetaTrader 5: generate, backtest and download your own

250 free tokens, no card, and MetaTrader 5 export on the free tier. Generate an EA, backtest it year by year, read the MQL5 and download the .mq5 yourself.

Several RoboticEA strategy cards side by side, each showing a grid of per-year returns in green and red
Data study14 min

Do forex robots actually work? What 700,000 backtests show

705,495 backtests. How many trading robots make money, why the winners stop winning when you move them, and what a cheap cost model hides.

The RoboticEA leaderboard filtered to EURUSD H4 on real spread, ranking strategies by return with trades and max drawdown
Data study13 min

Best timeframe for expert advisors: what 88,750 backtests say

Two instruments, eight years, five timeframes, one stratified sample. The ranking is monotonic — and switching the costs off closes 56% of the gap.

RoboticEA's symbol picker open on the majors, each pair shown with its two currency flags
Data study15 min

Best forex pairs for expert advisors: all 25 instruments tested

73,250 backtests across 25 instruments, 2018–2025, on real recorded spread. What each pair actually charges a strategy, what a pip is worth, and why a “best pair” league table is an artifact.

The underlying research

MetaTrader 5 parity study

Our engine against MT5's own Strategy Tester, run for run, on real ticks.

Archetype study

594,580 backtests across 34 strategy archetypes — and which dimension actually decided the outcome.

Run the study yourself.

Every instrument, timeframe and year in these posts is available in the product. Free account, no card, and MetaTrader 5 export is included.

Try it free