Similar to my "DollarChannel" script, this keeps track of lows and highs, but snaps a line whenever A) the high exceeds low+(low*ratio), or B) low falls under high-(high*ratio).
This results in a channel that tracks percent-changes rather than absolute dollar-value changes.
Note di rilascio
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Added alerts when channel thresholds are crossed.
Note di rilascio
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Update to v5 Add rising/falling alerts (can enable them independently) Fix signed-ness bug (now works with tickers like "0-VIX" (i.e. inverted)
@hell-LUCIFER, sure, that would be easy enough to add. When I get some spare time I'll throw it in there.
jasonnyberg
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@hell-LUCIFER, Done... Now it will call alert(...) if the upper or lower channel limit has been broken when a bar closes. Use the "Alert" button at the top of a chart to configure how the alerts are presented. Enjoy!