In This Chapter
Mining information from basic bars
Identifying trends by reading bars
Becoming familiar with special bars
Getting the lowdown on spikes and gaps
All indicators (except volume) use the components of the price bar in one way or another to give evidence of the next move. The bar and its components are the raw material of indicators, so to speak. Traders devise indicators by choosing one or more bar components and crunching them arithmetically to chip away noise and find the signal. They apply a slew of techniques — averaging, statistical measures, relative ranges evaluation, pattern identification, and so on.
With four bar components and multiple manipulations, the number of indicators that can be devised is enormous, and if you consider varying the number of bars covered, literally without limit. That's a chilling statement but don't be intimidated. After you really understand the bar, you'll be able to readily dissect and evaluate any new indicator you run into.
And, on their own, the price bar and its placement on the chart deliver ...