BTC: Log Daily BTC Close — From 2010-07-17

Bitcoin Log Daily BTC Close — From 2010-07-17 was 11.24 log ratio on 7 Nov 2026 (latest daily value).

The natural logarithm of the daily BTC close, from the first admitted close on 2010-07-17.

Why use it. The price input of the difficulty-per-subsidy pricing model, published so the fit can be checked; on a log scale equal percentage moves look the same size. How to read it. Each step of 1 is a factor of about 2.7 in price; values before the first admitted close are shown as 0.

Calculation. ln(daily close), and 0 before the first admitted close. Calculated from our own validated Bitcoin Core node history; final once the closed UTC day has six confirmations. Daily closes are the accepted daily valuation prices: historical closes from The Bitcoin Time Machine (CC BY 4.0), then our own recorded Alternative.me quotes; they stay provisional and revisable.