Hashrate moving averages in bitcoin mining

Moving averages have been used in the technical analysis (including cryptocurrency niche) forever. In this article, we introduce a notion of Hashrate Moving Average.
There is no Bitcoin without the miners. More mining power (greater hashrate) results in more security for the network, but it also decreases the probability of mining a block. Ceteris paribus, if you are a miner and you observe the network hashrate going up and the price of bitcoin not increasing proportionally, your revenue will de