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.
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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.
Switzerland : STMicroelectronics New Time-of-Flight Ranging Sensor Revolutionizes Mobile-Camera Performance and Unlocks New Applications in Robotics and IoT
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.
Discovery of most distant galaxy cluster may shed light on early universe
As an added benefit, infrared filters block a majority of the glow from common light-pollution sources such as mercury-vapor lamps.
Peering through the dust: amateurs can take advantage of a CCD's sensitivity to look beyond the visible spectrum
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.
Temperature sensors, monitors, controls
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.
Saturn's Colorful Mystery
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.
Temperature sensors, monitors and controls: product lines reviewed

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