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Tools — Crypto Beta Calculator (vs BTC)

Crypto Beta Calculator (vs BTC)

Live beta of any altcoin against Bitcoin — crypto's de facto market benchmark — computed from paired period returns on Binance klines, with a correlation and R² reading for how much of the move beta actually explains.

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Results

Beta (vs BTC) —
Correlation (r) —
R² (variance explained) —
Alpha (per period) —
Return Periods —

Beta measures how much an asset historically moved per 1% move in BTC — a beta of 1.5 means it typically moved about 1.5% for every 1% BTC move, in the same direction. It's a backward-looking statistical relationship over the chosen lookback window, not a guarantee of future behavior, and it can shift meaningfully as the lookback window or market regime changes.

How beta is calculated

This calculator pulls the same number of recent candles for your chosen asset and for BTC, converts each into a period-over-period percentage return, and fits a line through the paired (BTC return, asset return) points using ordinary least squares. Beta is that line's slope — how much the asset moved per 1% BTC move, on average, over the lookback window. Alpha is the line's intercept: the asset's average return left over after removing its beta-scaled exposure to BTC. Correlation (and its square, R²) tells you how tightly the two actually move together — a beta of 2 backed by a correlation near 1 is a much more reliable relationship than the same beta backed by a correlation near 0, where BTC explains very little of the asset's actual moves.

Frequently Asked Questions

Why use BTC as the market benchmark instead of a broader crypto index?
Bitcoin is the closest thing crypto has to a market-wide benchmark — most altcoins move with, and correlate more strongly to, BTC than to any diversified index, and BTC has the deepest, most continuous price history of any crypto asset. It's the same convention used by most crypto beta trackers.
What does a beta greater than 1 (or less than 1) mean?
A beta above 1 means the asset has historically amplified BTC's moves — larger swings in both directions. A beta between 0 and 1 means it moved in the same direction as BTC but by less. A negative beta (rare and usually short-lived in crypto) means the asset tended to move opposite to BTC over the lookback window.
Why did beta change so much when I changed the interval or lookback?
Beta is estimated from whatever window of returns you feed it, so it's sensitive to both the interval (1h vs 1d returns capture different kinds of co-movement) and how far back you look (a period that included one large decoupling event can swing the estimate). There's no single true beta — treat it as a rough, regime-dependent statistical summary, and check correlation/R² alongside it to gauge how reliable that particular estimate is.

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