Data Quality on FX Backtest Diaryhttps://etherpoc.com/en/tags/data-quality/Recent content in Data Quality on FX Backtest DiaryHugoenMon, 22 Jun 2026 00:00:00 +0000About the test data — where it comes from and how it's cleanedhttps://etherpoc.com/en/posts/data/Mon, 22 Jun 2026 00:00:00 +0000https://etherpoc.com/en/posts/data/<p>Testing lives and dies by its data. Here&rsquo;s an honest look at what powers the verifications on this site.</p> <h2 id="what-data-is-used">What data is used</h2> <p>The main feed is <strong>1-minute (M1) OHLCV</strong> data for major FX pairs, gold, and so on. OHLCV means each bar&rsquo;s open, high, low, close and volume. With 1-minute bars I can rebuild any higher timeframe I want — 5-minute, hourly, daily.</p>