indicator · own pane · open source
Detrended Price
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About
Detrended Price (DPO) removes the trend from price by subtracting the SMA shifted forward by half the lookback. Shows short-term cycles around the trend.
- Zero-line crosses flag short-term momentum shifts.
- Peaks above zero and troughs below zero identify cycle extremes.
- Use on equities/indices with clear cyclical behaviour.
Source code
//@version=5
indicator("Detrended Price", overlay=false)
len = input.int(20, "Length", minval=2, maxval=200)
src = input.source("close", "Source")
dp = src - ta.sma(src, len)[math.floor(len / 2)]
hline(0, "Zero", color=color.gray, linestyle=hline.style_dotted)
p_DPO = plot(dp, "DPO", color=dp >= 0 ? color.teal : color.red, style=plot.style_columns)
alertcondition(ta.crossover(dp, 0), "DPO crosses zero up", "Detrended price crossed above zero")
alertcondition(ta.crossunder(dp, 0), "DPO crosses zero down", "Detrended price crossed below zero")
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