add went_up and went_down helpers

2018-02-13 11:37:59 +02:00
parent e3d222912d
commit cf013140a6
2 changed files with 21 additions and 0 deletions
--- a/freqtrade/indicator_helpers.py
+++ b/freqtrade/indicator_helpers.py
@@ -0,0 +1,9 @@
+from pandas import Series
+
+
+def went_up(series: Series) -> Series:
+    return series > series.shift(1)
+
+
+def went_down(series: Series) -> Series:
+    return series < series.shift(1)