The Market Capitalization Grouping vs BTC highlights the relative price performance of market capitalization size-based clusters versus bitcoin. Market capitalization groupings are defined as, Large Cap: >1B $, Mid Cap: 1B-100M $, Small Cap: 100M-50M $.
For more information on its interpretation and methodology see this dashboard.
This is the Point-in-Time (PiT) variant of Marketcap returns vs BTC. PiT metrics are strictly append-only and their history is immutable. The historic data does not necessarily reflect the best current knowledge, but the information at the time when a data point was first computed. PiT metrics are ideal candidates for applications in model backtesting and related quantitative purposes. Read our article on PiT metrics for more information.