Bitcoin / Formula explorer
History meets the model

Bitcoin, through time.

Compare Bitcoin’s daily price history with one price formula.
Zoom in, move through the years, and follow both curves.

The model
P = 4.42 × 10−17 × d5.6
d = days since January 3, 2009 · P in USD
Prices on selected date · USD / BTC
Formula estimate
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Historical daily close
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— days from January 3, 2009 Click the chart to select a date

Formula estimateHistorical daily close
Price in USD · linear scale
Historical Bitcoin prices and formula estimate over timeScroll or pinch to zoom; drag to pan. Click or tap to select a date. Keyboard: left and right arrows select adjacent days, Shift plus arrows moves the view, plus and minus zoom, Home resets. Use the date fields for exact dates.
Scroll or pinch to zoom Drag to pan Click or tap to inspect
Your window into the curveEnter a date range, or use the controls above.

Historical data: Coin Metrics, daily PriceUSD · · Embedded snapshot, downloaded September 26, 2026; no automatic updates. Data: CC BY-NC 4.0. Each date is that UTC day’s close; missing dates are not filled in. Source values are rounded to eight decimal places.