With a median size of 0.67M BTC and a maximum of 2.2M BTC, Hot Supply represents between 3.5% to 11.3% of the total supply. This is comparable to the volume of probably lost coins (1.46M BTC ~ 7.2%), being those that have not transacted since Bitcoins first traded price in July-2010. Perpetual Futures Open Interest (472k BTC) and Hot Supply (511k BTC) are also similar in size as shown below, suggesting that a volume of around 983k BTC (~$29.5B) is currently ‘available’ for sale, with just under half of this being spot BTC.