PrevQtr sqrtRange -> Anchor Open Levels

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This indicator draws price levels above and below the day's (or week's) opening price, based on the previous quarter's range and the sqrt of the range.

How it works:

Pick an anchor point: today's session open, overnight open, weekly open, or quarterly open
The script measures last quarter's high-to-low range and uses that to size a "step"
It then draws lines above and below your anchor, spaced out by that step, to mark potential areas where price may react

Optional midpoint lines, shaded zones between levels, and a stats table (prior day OHLC, session ranges, volume delta)
Helps spot possible support/resistance zones; works on futures and stocks.

I typically use ETH anchor and/or the QTR open; you shouldn't just long or short the bands, as this is just a tool to have a better idea of support and resistance. I recommend backtesting before taking trades off it to see how to use it as a useful tool in reading price action.

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