Deterministic historical validation · Research only
FLAWLINE validates exact configurations of supported rule-based strategy families against fixed historical criteria and returns the evidence — including REJECTED results.
Evidence before confidence.
Limited free beta · No card required · No exchange connection · No signals · No order execution
Preserved historical evidence · presentation updated for FLAWLINE
Donchian breakout — archived configuration
donchian_breakoutBinding robustness criterion
min_selection_scoreBTC/USDT · 4h · Research only.
Why validation
A simple backtest can look convincing while hiding fragile assumptions. FLAWLINE tests the same rule-based configuration under a fixed, auditable method.
Walk-forward evidence across out-of-sample windows
Fees and slippage applied before judgment
Trade count and activity sufficiency
Drawdown and robustness thresholds
Credibility warnings that expose weak evidence
How it works
Choose a supported strategy family, market, timeframe and parameters.
FLAWLINE applies the same deterministic historical methodology, trading-cost assumptions and robustness checks to the exact configuration.
See the verdict, metrics, checks, data source and downloadable evidence in HTML, JSON and PDF.
What we test
Out-of-sample windows expose results that depend on one convenient period.
Fees and slippage are included before the evidence is judged.
Too few closed trades cannot support a strong robustness claim.
Loss depth is compared with the same published threshold for every run.
Measured results are compared with the same fixed thresholds for every validation.
Diagnostics call out evidence that deserves less confidence.
Supported now
The beta currently supports three explicitly implemented strategy families with bounded parameters. Unsupported strategies are never guessed or approximated. The catalogue can expand as new strategy families are deliberately implemented, reviewed and tested.
Historical market data · Binance public market data · automatically refreshed every 6 hours · latest closed candle
Verdicts
This configuration did not pass one or more defined historical checks. REJECTED is a valid result, not a system failure.
This configuration passed the required checks by narrow margins. Review the weakest criteria carefully; this is not a recommendation or prediction.
This configuration passed the defined checks over the historical coverage used. It is not a recommendation, prediction or guarantee of future performance.
Passing historical checks describes historical evidence only. It does not mean profitable, safe, recommended or ready to trade.
Real historical sample
This preserved historical validation is presented as a public product sample. It shows how FLAWLINE reports weak evidence; it is not a newly generated validation.
Preserved historical evidence · presentation updated for FLAWLINE
Donchian breakout — archived configuration
donchian_breakoutBinding robustness criterion
min_selection_scoreBTC/USDT · 4h · Research only.
Free beta + future paid access
New verified beta accounts receive 2 free validations. Each credit covers one complete validation run: deterministic historical analysis, defined robustness checks, a structured verdict and downloadable evidence. Future packs are shown below, but cannot be purchased yet.
Included in the beta
€19
For future paid access
Notify me when available€59
For future paid access
Notify me when available€99
For future paid access
Notify me when availableProgrammatic validation
Public API access is planned for integrating FLAWLINE historical validation into your own strategy-research pipelines and internal tools. Automate validation requests and retrieve results programmatically. It will not connect to exchanges or execute trades. API access and pricing will be separate from dashboard credit packs.
API access is planned and not yet available. Registering interest is not a contract or reservation, and no API price is committed.
Research and trust
The same exact configuration, historical data and rules produce the same result.
Thresholds are applied consistently and returned with observed values.
Reports include the coverage and identifiers needed to trace the evidence.
No API keys, broker OAuth, custody, signals or order execution.
FAQ
A deterministic product for validating exact configurations of explicitly supported rule-based strategy families against historical evidence.
The current templates are explicit rule-based implementations built from established systematic-trading concepts such as ATR, Donchian channels, EMAs and RSI. Their rules and parameter ranges are implemented and bounded through FLAWLINE's research and testing process. They are not AI-generated recommendations, and inclusion in the catalogue does not imply profitability.
FLAWLINE uses a defined list of supported strategies so each family has known rules, bounded inputs and reproducible behavior. The initial beta starts with three distinct rule-based approaches rather than approximating strategies FLAWLINE does not support.
No. FLAWLINE does not currently generate strategies, signals, recommendations or orders. It validates configurations of the supported strategy families against historical evidence.
This exact configuration passed the defined checks over the historical coverage used. It is not a prediction, recommendation or guarantee of future performance.
It identifies which evidence failed before the configuration receives capital. Rejection is a result, not a system failure.
BTC/USDT, ETH/USDT and SOL/USDT on 1h, 4h and 1d timeframes. Validations use locally stored Binance public historical data, refreshed every 6 hours through the latest closed candle.
Not in the current beta. FLAWLINE validates the supported strategy families and their bounded parameters; it does not execute user-uploaded code. The catalogue can expand through explicitly implemented strategy families.
Eligible new verified users receive exactly 2 free beta validation credits. They have no cash value, are not transferable and are not automatically refilled. Paid access is not open yet.
No. Validation uses historical market data and does not require an exchange account.
No. There is no exchange connection, API-key field or order execution.
No. FLAWLINE provides historical validation evidence for research only.
Processing time depends on the selected validation and current workload. FLAWLINE shows the actual processing state rather than inventing a completion percentage.
Start with one supported configuration and keep the full evidence.