The Bitcoin Rainbow Chart is not a price target but a frame of reference: it lays nine coloured bands over the price history and shows whether the current price sits high or low against the long-term growth path. Recalculating the regression across every daily close since 2010, the centre line of the arc runs at roughly $140,300 on this October 15, 2026. The bitcoin price itself stands at $81,600 to $82,200. Bitcoin is therefore trading well below the middle of its own historical trend, in the green zone of the arc.
That is exactly the appeal of this presentation, and at the same time its danger. The arc turns a volatile price into a tidy graphic with clear colours. That the colours themselves rest on an assumption which shifts with every cycle is not something the picture reveals.
What the Bitcoin Rainbow Chart shows: nine bands around a logarithmic regression
A logarithmic regression is a fitted curve drawn through a cloud of points whose increments shrink over time. For bitcoin that means the price grew by multiples at first and by percentages later. Plot the price on a logarithmic axis, w...
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