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T403

indicator inputs come from different timeframes

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Severity Error

An indicator with several series inputs (for example ta.correlation, ta.crossover) receives series from subscriptions with different timeframes. Their bars do not line up one to one, so the result would compare unrelated periods.

Feed the indicator from subscriptions that share one timeframe, or compute each side on its own timeframe and compare plain values afterwards.

Failing example

Flowscope Script
script "Price vs OI correlation"
data (
  chart = subscribe(data.ohlcv)
  oiDaily = subscribe(data.oi, timeframe: 1D)
)
pane p = pane(title: "Correlation", height: 0.2)
plot corr = plot.line(title: "Close/OI correlation", on: p)
on chart.close {
  corr.plot(ta.correlation(chart.close, oiDaily.close, 30))
}

Fixed example

Flowscope Script
script "Price vs OI correlation"
data (
  chart = subscribe(data.ohlcv)
  oi = subscribe(data.oi)
)
pane p = pane(title: "Correlation", height: 0.2)
plot corr = plot.line(title: "Close/OI correlation", on: p)
on chart.close {
  corr.plot(ta.correlation(chart.close, oi.close, 30))
}