https://blog.chainalysis.com/reports/bitcoin-price-surge-explained-2020
"Right now, the amount of liquid Bitcoin is similar to what it was during the 2017 bull run. But the amount held in illiquid wallets is much higher, currently representing 77% of the 14.8 million Bitcoin mined that isn’t categorized as lost, meaning it hasn’t moved from its current address in five years or longer. That leaves a pool of just 3.4 million Bitcoin readily available to buyers as demand increases."
"Right now, the amount of liquid Bitcoin is similar to what it was during the 2017 bull run. But the amount held in illiquid wallets is much higher, currently representing 77% of the 14.8 million Bitcoin mined that isn’t categorized as lost, meaning it hasn’t moved from its current address in five years or longer. That leaves a pool of just 3.4 million Bitcoin readily available to buyers as demand increases."