floating around at $500 is NOT so exciting
Here's the fundamental basis for the rising value of bitcoin:
Active wallets Value follows roughly as the square of this figure. It doesn't move fast enough to be exciting. What does happen, though, is that price deviates from its fundamentals relatively rapidly. That's when you adjust your long-term core position, according as price is a fraction or a multiple of value. It's not daytrading, but as a slow and stately strategy it is very lucrative.
But there does not seem to be a positive correlation between that number and the price, since December:
https://blockchain.info/charts/n-unique-addresses?timespan=180days&showDataPoints=false&daysAverageString=30&show_header=true&scale=0In fact, from Dec/01 to Feb/28, the correlation seems to be strongly negative - when one increases, the other decreases.
By the way, why would that number N(T) decrease? Does it exclude addresses that are were used before time T but are empty at time T?