There seems to have been a general correlation between the three for the past 2 years. My take is that when there is more money in circulation, the money becomes less valuable, but the value of bitcoins more or less stays the same. Therefore, the amount of money you need to buy bitcoin will rise to compensate and balance it out, and the same thing seems to be...
It is of my opinion that since bitcoin went down last time the interest rates went up, the price of bitcoin will go down again because of said correlation.