fix: tick_size_over_time must not use scientific notion

xmatthias · xmatthias · commit c93c97c2ded3 · 2025-08-02T11:22:19.000+02:00
closes 12054
diff --git a/freqtrade/data/btanalysis/historic_precision.py b/freqtrade/data/btanalysis/historic_precision.py
@@ -11,7 +11,7 @@ def get_tick_size_over_time(candles: DataFrame) -> Series:
     # count the number of significant digits for the open and close prices
     for col in ["open", "high", "low", "close"]:
         candles[f"{col}_count"] = (
-            candles[col].round(14).astype(str).str.extract(r"\.(\d*[1-9])")[0].str.len()
+            candles[col].round(14).apply("{:.15f}".format).str.extract(r"\.(\d*[1-9])")[0].str.len()
         )
     candles["max_count"] = candles[["open_count", "close_count", "high_count", "low_count"]].max(
         axis=1

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@ def get_tick_size_over_time(candles: DataFrame) -> Series:`
`11`	`11`	`# count the number of significant digits for the open and close prices`
`12`	`12`	`for col in ["open", "high", "low", "close"]:`
`13`	`13`	`candles[f"{col}_count"] = (`
`14`		`- candles[col].round(14).astype(str).str.extract(r"\.(\d*[1-9])")[0].str.len()`
	`14`	`+ candles[col].round(14).apply("{:.15f}".format).str.extract(r"\.(\d*[1-9])")[0].str.len()`
`15`	`15`	`)`
`16`	`16`	`candles["max_count"] = candles[["open_count", "close_count", "high_count", "low_count"]].max(`
`17`	`17`	`axis=1`