Tom Demark's Range Expansion Index
The range expansion index was developed by Thomas DeMark and published in his 1994 book, The New Science of Technical Analysis.
EXPERIMENTAL: calculation of extremes and price range for averaging movement. while price is above market is rising, when bellow market is falling. also can discern strength from the gap of the averages.
![USDCHF: [RS]Average Expansion Dynamic V0](https://s3.tradingview.com/s/SaoJLSIM_mid.png "[RS]Average Expansion Dynamic V0")
