Home / Historical Data / Data Quality / EURUSD H1
80.0out of 100
Grade C

EURUSD H1 Data Quality Report

Generated 2026-11-01 · 10,871 rows · 2024.03.27 → 2025.12.24

Summary

Rows

10,871

Critical issues

0

Warnings

3

Largest gap

2.9h

Zero volume

100.00%

Zero spread

100.00%

Checks

CheckCountStatus
Duplicate timestamps0Pass
Out-of-order timestamps0Pass
OHLC integrity violations0Pass
Zero or negative prices0Pass
Gaps > 2× timeframe (<24h)1Warning
Extreme log returns0Pass
Zero/missing volume10,871Warning
Zero/missing spread10,871Warning
Negative spread0Pass
Flat bars (O=H=L=C)0Pass
Invalid weekend bars0Pass

Issues

SeverityCheckCountMessage
Warninggaps1Gap greater than 2x timeframe and under 24h
Warningzero_volume10,871Zero or missing tick volume
Warningzero_spread10,871Zero or missing spread

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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