Home / Historical Data / Data Quality / COMPUSD M1
98.5out of 100
Grade A

COMPUSD M1 Data Quality Report

Generated 2026-11-01 · 100,000 rows · 2024.05.28 → 2024.08.05

Summary

Rows

100,000

Critical issues

0

Warnings

1

Largest gap

5m

Zero volume

0.00%

Zero spread

0.00%

Checks

CheckCountStatus
Duplicate timestamps0Pass
Out-of-order timestamps0Pass
OHLC integrity violations0Pass
Zero or negative prices0Pass
Gaps > 2× timeframe (<24h)120Warning
Extreme log returns0Pass
Zero/missing volume0Pass
Zero/missing spread0Pass
Negative spread0Pass
Flat bars (O=H=L=C)254Warning
Invalid weekend bars0Pass

Issues

SeverityCheckCountMessage
Warninggaps120Gap greater than 2x timeframe and under 24h
Infoflat_bars254Open=High=Low=Close

How to Use This Report

A high score does not guarantee profitable backtests. It means the file is structurally clean enough to inspect. A low score is not automatically a rejection: legacy forex exports often have zero volume and spread, which is acceptable for price-only research but not for spread-sensitive strategies.

Always check the largest gap, duplicate count, OHLC violations and weekend bars before training a model. For ML, use the ML-ready datasets; for a custom date range, use the Custom Data Builder.

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