Envelope

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Envelope

In technical analysis, two moving averages of a security's price indicating its upper and lower limits. That is, a price tends not to move above the higher moving average or below the lower moving average. Analysts use envelopes to help them determine buy and sell signals. When a price reaches the higher moving average, analysts may declare a sell signal, while they may declare a buy signal when a price reaches the lower moving average.
References in periodicals archive ?
Based upon the Greek peplos, this draped red silk dress was classically simple and totally effective with its soft draperies apparently unstitched, merely caught up with invisible pins.
For Lagerlof the cloth that is being handed over in the enigmatic central scene is the peplos for Athena and also the garment in which the daughter of Erechtheus is to be wrapped prior to sacrifice.
Dissection showed that the peplos of tumor tissue was integrated and showed no evidence of infestation or metastasis.