Bitcoin Mining Difficulty
Historical mining difficulty. Shows green if the difficulty went up and red if it went down, compared to previous epoch.
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BTC/Gold Z-Score
Data & charts updated every hour
Price update
10 minutes ago
Chart |
BTC/Gold Z-Score Explained
The BTC/Gold Z-Score measures how far the current Bitcoin-to-Gold ratio deviates from its historical mean, expressed in standard deviations.
Z-Score = (BTC to Gold Ratio − Mean) / Standard Deviation
Reading the Values
- High Z-Score: BTC is historically expensive relative to Gold
- Z-Score = 0: BTC/Gold ratio is at its historical average
- Low Z-Score: BTC is historically cheap relative to Gold
Why This Chart Starts on October 10, 2016
This date marks a structural shift in Bitcoin’s history: the day its market capitalization first surpassed $10 billion and never dipped below it again.
In Bitcoin's early years, low liquidity and extreme volatility created significant "noise." Including that nascent data would heavily skew the historical mean and standard deviation, rendering the Z-Score less reliable for modern analysis.
By anchoring the dataset to the moment Bitcoin achieved sustained, large-scale adoption, the calculations better reflect its behavior as a mature, liquid market. This provides a high-signal indicator of whether Bitcoin is genuinely expensive or cheap relative to Gold.
Disclaimer
Any information found on this page is not to be considered as financial advice. You should do your own research before making any decisions.
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