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What is

The Bitcoin Volatility Index is used for tracking the Bitcoin and Litecoin price volatility in US dollars over different periods of time, as well as providing a BTC-USD converter using the current price.

What is volatility and why does it matter?

Volatility is a measure of how much the price of an asset varies over time. Volatility refers to the amount of uncertainty or risk about the size of changes in a financial asset's value. A higher volatility means that the price of the asset can change dramatically over a short time period in either direction. A lower volatility means that a financial asset's value does not fluctuate dramatically, but changes in value at a steady pace over a period of time. If Bitcoin volatility decreases, the cost of converting into and out of Bitcoin will decrease as well.

How does calculate the volatility?

It uses the standard deviation of the daily open price for the preceding 30-, 60-, 120- and 365-day windows. These are measures of historical volatility based on past Bitcoin and Litecoin prices. Historical volatility refers to the volatility of a financial instrument over a specified period but with the last observation on a date in the past (Wikipedia definition). The details of how we calculated the respective volatily will be published in the future.

Which sources are used by this website? used the CoinDesk API for querying historical Bitcoin data used in the volatility calculation. Furthermore, it uses the BitStamp API for querying the opening price of both Bitcoin and Litecoin. Both sources may change in the future. The price and accuracy of the calculations are expected to continually improve after Q2 2018. This is due to a change in the way that we source the daily prices, i.e. the website uses the daily opening price for both BTC and LTC from BitStamp.

Historical volatility?

For current markets, historical volatility measures how far the current trading prices fluctuate from some central point median, or the moving average, price. That is how a strongly trending market will have reduced volatility even though prices may change dramatically over time, which is a very common trend with Bitcoin and some other cryptocurrencies, although the later is much more likely to trend downward over the long run.

Can I access the BTC or LTC raw pricing data?

Yes: BTC and LTC pricing data.

Is there a place where I can only look at the charts?

We do have a page that does not have the FAQ nor the BTC/USD converter: Bitcoin Volatility Graph.

Why does this website look broken?

It is highly likely that you're viewing an outdated (cached) version of the website. Try forcing a cache refresh by pressing CTRL + F5.

What is the easiest way to share this website with others?

The easiest way would be to click one of the following Social links:

Are there any more planned features?

The primary plan is to add a comparison between the Bitcoin volatility and the volatility of a few traditional currencies. Any suggestions, and other inquiries may be sent to

What is the privacy policy of

Privacy is very important to us. You can read everything about it by clicking the link to our privacy policy.