The upper indicator is the price of #BTC ; the lower indicator is the ratio of the average chip buying price of short-term BTC holders to the average chip buying price of long-term BTC holders.
Historically, when the indicator broke through the bottom range below 1.0, it was 30 days (12 years), 7 days (15 years) and 45 days (19 years) away from the calf top of that year.
The current indicator value is 0.98, one step away from breaking through 1.0.