Look-ahead check
ForgeTrend robot · EURUSD H1Example. Made-up price data.
1234
No evidence of look-ahead at 4 of 4 cutsEvery trade compared came out the same.
No rule may use a price it could not have known.
How it works: Look-ahead checkLoading…
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Forge is Oathra's strategy tester. It tunes your rules on part of the history, judges them on years they never saw, and gives one verdict.
14 days free, card required. Then $49 a month unless you cancel. We email you the day before. One trial per account.
Start free The verdict and live tracking are paid.
640 settings tried
Validated4 of 640 settings passed every check.
Every setting meets the stages in this order and stops at the first one it fails. A strategy is Validated when a setting passes all four. Otherwise the verdict names the stage it died at.
Where a strategy can stop
ValidatedIt held up on data it had never seen, and it passed the checks that it is not luck.
Two questions about the test, not the strategy: did a rule use a price it could not have known, and is the strategy Forge tested the robot you run.
No evidence of look-ahead at 4 of 4 cutsEvery trade compared came out the same.
No rule may use a price it could not have known.
How it works: Look-ahead checkYour platform's report
Forge's rebuild
Matched 86% (6 of 7)#6 opened 9 min apart, outside the tolerance.
Open times within 5 min, unless you set another.
Your robot's own report, matched to the rebuild trade by trade.
How it works: Rebuild checkA test that passes is not a promise that a prop firm challenge will pass.
FailedThe daily loss was hit first, on day 27.
Every day of the backtest, under a prop firm's rules.
Prop firm checks run on a filtered result. Filtering is on the paid plan.
How it works: Prop firm checkNo code.
Build it in the Strategy Studio from conditions you can read as sentences.
How the Studio worksFrom another platform.
Follow the porting guide for a robot from MetaTrader 5, TradingView or QuantConnect, or convert an MQL5 indicator to Python.
The porting guidesPython.
Write it in Python with your own AI tool, then upload it to Forge.
Set up your AI toolOathra ships no sample prices.
Upload your broker's contract details and, on the paid plan, the spread and swap in the test are the ones you actually pay.
Tests run on the price history you upload, ticks or bars: a platform's export, a data vendor's file or a CSV.
Start a test, close the laptop, come back to the result.
Price files use storage. The paid plan includes 20 GB. The free plan includes none, and storage starts at 40 credits a month.
An estimate at the standard test size. The app shows each test's cost before it starts.
About 3 credits, which is $0.30 at the smallest credit pack.
Every test shows its credit cost before you start it. About 3 credits for a 10-minute test.
The free plan has 15 credits a month, the paid plan 300, and a trial adds 20 once.
Building and backtesting are on both plans, on credits. The verdict is on the paid plan. Prop firm checks run on a filtered result.