As a wise man once said that: 1. beginners think in $ change 2. intermediates think in % change 3. pros think in Z change
Here is the "Z-score change" indicator that calculates up/down moves normalized by standard deviation (volatility) displayed as bar chart with 1,2 and 3 stdev levels.
リリースノート
Add reference doc., cleanup code and chart.
リリースノート
More accurate calculation based on Investopedia's Z-score definition
リリースノート
Clean up and update chart
リリースノート
Add "Source" setting (default to "close" time series), remove "Gaps" setting