Each bar is derived from one week of trading activity. 

After week 46, sugar prices are higher on a weekly scale and marked with a blue bar as a higher high and higher low.

After week 45, there is a a blue higher high and higher low in the weekly timeframe, signalling streght rather than weakness.

After week 43, an inside bar is created and its colour is red. The current seasonal trend is weak. Prices must trade above 20 in order to potentially gain further traction.

After week 42, Sugar markets are seeing a lower high and a lower low on its weekly time scale indicating weakness on the move.