https://studio.glassnode.com/metrics?a=BTC&category=&m=mining.MarketcapThermocapRatio
You may have to sign up though to see the up to date charts...
https://studio.glassnode.com/metrics?a=BTC&category=&m=mining.MarketcapThermocapRatio
You may have to sign up though to see the up to date charts...
