Filter

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Filter

A rule that stipulates when a security should be bought or sold according to its price action.

Filter Rule

In technical analysis, an arbitrarily set percentage of increase or decline in a stock's price that the analyst sees as an indicator to buy or sell the stock. For example, the analyst may set his/her own filter rule at 15%. If the stock rises 15%, the analyst recommends buying; if it falls 15%, he/she recommends selling. While the particular percentage is subjective, one arrives at it by observing the stock's historical trends. The filter rule exists to help the investor avoid buying or selling at insignificant or anomalous changes in price. However, many analysts do not believe that the filter rule consistently produces profits for the investor.
References in classic literature ?
Pale-golden and vermilion orchids flaunted their unhealthy blossoms in the golden, dripping sunshine that filtered through the matted roof.
Coral patches uprose everywhere from the turquoise depths, running the gamut of green from deepest jade to palest tourmaline, over which the sea filtered changing shades, creamed lazily, or burst into white fountains of sun-flashed spray.
He wondered where she had got that item of etiquette, and whether it had filtered down from above and was all right.
Bradley's head was whirling before he even commenced to grasp the complexities of Caspakian evolution; but as the truth slowly filtered into his understanding--as gradually it became possible for him to visualize the scheme, it appeared simpler.
From out of the meagerness of our censored histories we learned that for fifteen years after the cessation of diplomatic relations between the United States of North America and the belligerent nations of the Old World, news of more or less doubtful authenticity filtered, from time to time, into the Western Hemisphere from the Eastern.
I really had no adequate idea of the coarseness and rudeness which have filtered their way through society in these later times until I saw the reception accorded to my wife.
Her rays, no longer filtered through the vapory atmosphere of the terrestrial globe, shone through the glass, filling the air in the interior of the projectile with silvery reflections.
The morning before we anchored at Porto Praya, I collected a little packet of this brown-coloured fine dust, which appeared to have been filtered from the wind by the gauze of the vane at the masthead.
His peculiar voice, as if filtered through cotton-wool was inaudible on the other side of the deck.
She saw the muscles of a great arm flash in the light of the equatorial sun as it filtered, dappling, through the foliage above.