- I have extracted the dates for the Bitcoin Golden Bul Run Ratios of 2017 and 2021 and plotted them here. - Based on today's date and the % of time left until the end of 2021 BTC bull run, we can see where we are on the 2017 BTC bull run - Next we can measure the % growth to the top in 2017 and apply to 2021 to see where we might end up