Correlation between Ripple and Bitcoin Is there a correlation between the value of Ripple (XRP) and Bitcoin (BTC)?
Bitcoin and Ripple's past 90 days prices somewhat correlated

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.

Correlations in Coingecko's Top Ten

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:


Litecoin and Bitshares had a correlation of 0.93, as had Litecoin and NXT.
Bitcoin appears to be most correlated with Ripple and Litecoin, both 0.74.
Bitcoin appears to be least correlated with Stellar, at -0.19
The least correlation appears to be between Dogecoin and Monero at -0.05.




Procedure

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.