These charts are useful for traders who want to track the overall health of the cryptocurrency market. They can also be used to identify trends in the altcoin market, as the TOTAL2 and TOTAL3 charts exclude the two most dominant cryptocurrencies.
For example, if the TOTAL chart is rising, it means that the overall cryptocurrency market is increasing in value. However, if the TOTAL2 chart is rising while the TOTAL chart is falling, it means that altcoins are outperforming Bitcoin and Ethereum.
These charts can also be used to identify potential investment opportunities. For example, if the TOTAL3 chart is falling, it could mean that altcoins are undervalued and a good time to buy.
Here is a table summarizing the differences between the three charts:
I hope this helps! Let me know if you have any other questions.