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What does trim mean in options trading?
A trimmed mean (similar to an adjusted mean) is a method of averaging that removes a small designated percentage of the largest and smallest values before calculating the mean.
When should you trim profit?
Taking profits is particularly easy when the stocks or funds are in individual retirement accounts or other tax-sheltered plans because there aren’t any taxes to be paid on the sale. One rule he favors: If the price-earnings multiple of a company’s stock is higher than the rate of profit growth, it’s time to trim.
Should you trim your stocks?
Stocks will make up less of your total portfolio, and you won’t lock in losses. If your stocks already are well diversified, then trim across the board. If you’re holding too much of one stock, sell some shares. A portfolio should hold no more than 5% in an individual company.
What do you need to know about the trimmean function?
The array or range of values to trim and average. Percent Required. The fractional number of data points to exclude from the calculation. For example, if percent = 0.2, 4 points are trimmed from a data set of 20 points (20 x 0.2): 2 from the top and 2 from the bottom of the set.
How to calculate the trimmed mean in statistics?
Statistics – Trimmed Mean. Trimmed Mean a method of averaging that removes a small percentage of the largest and smallest values before calculating the mean. The Trimmed Mean can be calculated using the following formula. Formula. $sum {X_i}$ = Sum of your Trimmed Set. ${n}$ = Total Numbers in Trimmed set. ${mu}$ = Trimmed Mean.
How is the number of data points excluded in trimmean calculated?
TRIMMEAN rounds the number of excluded data points down to the nearest multiple of 2. If percent = 0.1, 10 percent of 30 data points equals 3 points. For symmetry, TRIMMEAN excludes a single value from the top and bottom of the data set.
What is the NUM error value for trimmean?
For example, if percent = 0.2, 4 points are trimmed from a data set of 20 points (20 x 0.2): 2 from the top and 2 from the bottom of the set. If percent < 0 or percent > 1, TRIMMEAN returns the #NUM! error value.