LINT_REVERSED_SERIES
What happened
A running calculation on a reversed series walks from the last bar to the first. Turned back round, each bar holds a value built from the bars after it.
What to do
Run the calculation on the series in its own order.
Example
text
strategy.py, line 25: Reversing a series before a running calculation lets early bars read later ones. [LINT_REVERSED_SERIES]The wording of the message depends on your file, and the code does not. A warning does not stop the file from loading.