Bars of largest range (volatility)
* see moments of strongest price action immediately
* colored & upDown by candle color
* amplifier: you see only the bull runs, and subsequent dumps
Very nice on the 5 years scale of BITSTAMP:BTCUSD - nothing comparable to 2013 has happened yet.
Internals:
squared_range = pow(high-low, 2)
That is...
