These two worlds have become more disconnected. The correlation between bitcoin (BTC), and the S&P 500 dropped from 0.91 to 0.59 in the quarter and fell as low as 0.01 on March 22, 2018. A correlation of 1 indicates that the prices of two things are moving in lockstep. A negative correlation means that they have an inverse relationship. Zero means no link at all.) Digital assets are the uncorrelated diversifying asset many investors seek.