Update data-download.md
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@ -8,7 +8,7 @@ If no additional parameter is specified, freqtrade will download data for `"1m"`
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Exchange and pairs will come from `config.json` (if specified using `-c/--config`).
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Exchange and pairs will come from `config.json` (if specified using `-c/--config`).
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Otherwise `--exchange` becomes mandatory.
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Otherwise `--exchange` becomes mandatory.
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You can use a relative timerange (`--days 20`) or an absolute starting point (`--timerange 20200101`). For incremental downloads, the relative approach should be used.
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You can use a relative timerange (`--days 20`) or an absolute starting point (`--timerange 20200101-`). For incremental downloads, the relative approach should be used.
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!!! Tip "Tip: Updating existing data"
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!!! Tip "Tip: Updating existing data"
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If you already have backtesting data available in your data-directory and would like to refresh this data up to today, use `--days xx` with a number slightly higher than the missing number of days. Freqtrade will keep the available data and only download the missing data.
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If you already have backtesting data available in your data-directory and would like to refresh this data up to today, use `--days xx` with a number slightly higher than the missing number of days. Freqtrade will keep the available data and only download the missing data.
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