the Relative Strenght Index (RSI)

In short: The relative strength index tells you when a stock is overbought or oversold.

The relative strength index (RSI) is a technical indicator used in the analysis of financial markets. It is intended to chart the current and historical strength or weakness of a stock or market based on the closing prices of a recent trading period. The indicator should not be confused with relative strength.

The RSI is classified as a momentum oscillator, measuring the velocity and magnitude of directional price movements. Momentum is the rate of the rise or fall in price. The RSI computes momentum as the ratio of higher closes to lower closes: stocks which have had more or stronger positive changes have a higher RSI than stocks which have had more or stronger negative changes.

The RSI is most typically used on a 14-day timeframe, measured on a scale from 0 to 100, with high and low levels marked at 70 and 30, respectively. Shorter or longer timeframes are used for alternately shorter or longer outlooks. More extreme high and low levels—80 and 20, or 90 and 10—occur less frequently but indicate stronger momentum.

The relative strength index was developed by J. Welles Wilder and published in a 1978 book, New Concepts in Technical Trading Systems, and in Commodities magazine (now Futures magazine) in the June 1978 issue. It has become one of the most popular oscillator indices.

The RSI provides signals that tell investors to buy when the security or currency is oversold and to sell when it is overbought.

RSI Indicator - The COMPLETE Guide to Relative Strength Index (How ...

From: Wikipedia and the Robust Trader

Over the Wiseguy

Stock trader, Owner and Administrator of "the-wiseguy.com". . . "TA is like surfing. You don't have to know a lot about het physics of tides to catch a good wave. You just have to be able to sense when it's happening and have the drive to act at the right time"

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