Think of marks on a wall. A child stands by the wall each year. A line shows the growth path. This chart does that for price.
One line is fit to each past price. Nine bands of color wrap the line. Low bands are blue. High bands are red.
The line uses all past days at once. It is fit by least squares. The form is:
ln(price) = -37.283 + 5.597 x ln(days since Jan 3, 2009)
It uses 5,917 days of prices. They run from Aug 18, 2010 to Oct 29, 2026. Past prices are from blockchain.info.
Each band is the same width in log space. The width is 0.3. Deep Blue is the base band. Red is the top band.
| Band | Share of past days |
|---|---|
| Deep Blue | 23 of 100 days |
| Sky | 13 of 100 days |
| Red | 2 of 100 days |
Blue days are far more common than red days. That is a fact of the past data. It is not a tip.
The rainbow is a public chart. A Reddit user, azop, drew the first one in 2014. A forum user, trolololo, drew the growth line. Blockchain Center made the chart famous. The line on this page is our own fit. It uses the same public price history.
On Oct 31, 2026, one coin cost $77,471. The line said $141,853. So the price sat in Deep Blue. It was 45% below the line.
Facts as of Oct 31, 2026. The live chart moves each day. Not advice. That is the past. Not a promise.
Built with Muse.