It's the Average Cap (see my other indicator) multiplied by 35.
The default settings are for BTC .
If you want to test this indicator on another chart you have to change the launch date settings (and maybe play around with the multiplier).
Some Interesting Launch dates:
- BTC: 3 JAN 2009
- ETH: 30. JUL 2015
- LTC: 7. OCT 2011