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 periodicals archive ?
Being the markets first module to use light emitted at 940nm, coupled to leading-edge infrared filters, the VL53L0 delivers best-in-class ambient light immunity and is now invisible to the human eye.
5-meter telescope in Chile, features five specially designed infrared filters that deliver an unprecedentedly precise combination of wavelength resolution and low-light sensitivity, thereby enabling the team to accurately measure the distances to thousands of different galaxies at a time, including those too faint to be detected through previous methods.
This is achieved by eliminating microlenses, infrared filters and reducing the number of process steps.
It features maximum freedom of operation, new-generation software for exceptional workflow and removable anti-aliasing and infrared filters for flexibility.
As an added benefit, infrared filters block a majority of the glow from common light-pollution sources such as mercury-vapor lamps.
Difficult temperature measurements, such as on tenter frames for extremely thin films, are readily accomplished using thermometers employing highly precise, extremely narrow-band infrared filters.
When the brightness modulation first reported by Camichel was verified by the examination of photographic plates a quarter century ago, few of the blue-light plates contained images of high quality, so the data were derived almost entirely from sharper images taken in integrated light or through yellow, red, or infrared filters.
Difficult temperature measurements, such as on tenter frame involving extremely thin films, are readily accomplished using thermometers employing highly precise, extremely narrow-band infrared filters.