Use the method of "BTC: MVRV historical cumulative average + N times MVRV historical cumulative standard deviation" to draw multiple lines of "-1σ, -0.5σ......+1.5σ, +2σ" (as shown in the upper part of the figure)

Then use the oscillator indicator to divide it into 8 intervals from 0-100. <span is an extremely panic interval, you can copy the bear bottom; >100 is an extremely greedy interval, you can gradually escape the top (as shown in the lower part of the figure)

The current score of this indicator is 70.6, which is in the over-optimistic interval