The supply accross exchanges found on public wallet trackers is 1,787,873 BTC. At this rate the supply on exchanges will continue to drop and the halvening magic will do the trick it does every 4 years.
This time people will sell their stocks and transfer money to bitcoin exchanges. Stock go down. Bitcoin goes up
It took a pandemic for these investors to make a big switch, it's more like a domino effect, when the news of the pandemic broke out, investors are looking for some haven to transfer after they liquidate and so they find Cryptocurrency , when things are not looking good every one is looking for the best option, and they find Cryptocurency as their best option.