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# Glossary

## Williams Percent Range

What is the % R? Named after its developer, Larry Williams, the Williams Percentage Range (% R) is a technical indicator that identifies which the assets are overbought and which are oversold. In turn, the distinction helps to identify possible market tipping points.

While it is seen as a single line oscillating on the reverse scale, the % R is entirely different from the Stochastic Oscillator.

How the % R is Applied

The Williams Percentage Range determines possible picture on the chart that demonstrates overbought and oversold conditions. While this is the case, when looking into a trend, the indicator should be considered:

The asset can be overbought should it be located above -20. It may be resold if it goes below -80.

Detached from extreme zones, probable turning points may be suggested by indicators:

Crossing the overbought border above, a sell probability is signalled by the Williams Percentage Range

Crossing the oversold border below, a buy probability is signalled.

While Pattern deviation occurs infrequently, it indicates a possible trend weakness:

* A weak uptrend is determined through the rise in price to a new maximum value while the indicator does not; * Conversely, a weak downtrend is indicated by a fall in price to the new maximum value while the indicator does not. Strategy for the Williams Percent Range  The trading strategy is simple: * One is encouraged to make a buy when the market is oversold (% R reaches -80% or lower); * Selling is encouraged when the market is overbought (% R reaches -20% or higher). Calculation  Divide the difference between the high price and the closing price within a specific time duration by the difference between high and low prices for the same period.  The time span is 14.  R% = - ((H-C) / (H-L)) x 100; In the formula: C - last closing price; L - the lowest price for a certain period; H - the highest price for a certain period.