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Is there a correlation between the value of Ripple (XRP) and Bitcoin (BTC)?
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Is there a correlation between the value of Ripple (XRP) and Bitcoin (BTC)?
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Using price charts of the last 90 days in XRP/USD and BTC/USD, the daily prices of Ripple and Bitcoin appear to be somewhat correlated: Their correlation coefficient comes out as 0.741.
I've proceeded to check the past 90 days correlations of the top ten cryptocurrencies as listed on Coingecko.com:

In the past ninety days:
All data was taken from Coingecko's last 90 days pricecharts on 2015-06-08. Therafter, I plugged them into LibreOffice, and ran Correl(A;B) on each pair.
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In general, when bitcoin is rising, all the others cryptos do, and vice versa. You can say that bitcoin is leading the crypto in general, so any upthread in bitcoins rate usually leads to the raise of most of the alts
2Could you please support that opinion with a reliable source or some numbers? So far it sounds like anecdotal evidence to me. – Murch – 2015-03-09T22:19:08.227
Price correlation, most likely, but technical analysis is probably outside the purview of this site. – Jimmy Song – 2015-03-03T15:36:40.173
I agree about price correlation, but why would the question be offtopic? It's not "technical analysis" so much, as just a question of finding historical data and plugging them into the equation. It can easily be answered factually. – Murch – 2015-03-03T16:50:35.217