TSP Calm v5

Calm indicator : Combined Activity Low Market
This indicator try to identify calm periods. After a calm, comes a storm
Bars : calm indicator
Line : calm indicator EMA
Colors : Close price trend (not linked to calm)
Parameters :
- Show last Candle: useful on big timeframe
- CalmPeriod : calc periods
- EmaPeriod : Price trend period
Using zoom can reduce noise on volatil periods