Bitcoin metrics:
https://bitcoin.clarkmoody.com/dashboard/

«A picture is worth a thousand words.»
https://twitter.com/chartsbtc_

Mempool:
https://jochen-hoenicke.de/queue/

PlanB:
https://digitalik.net/btc/

Market cap / Transaction volume, диапазон нормы — 40-90 раз. Больше 100 — надут
http://charts.woobull.com/bitcoin-nvt-ratio/

Market cap
https://coinmarketcap.com/currencies/bitcoin/#charts