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Platinum Definition.

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Platinum definition: A metal with the chemical element Pt of atomic number 78. Platinum is a white metal, resistant to corrosion, and is used in jewelry and in catalytic converters. What are the 5 platinum metals? The five platinum metals are: -Palladium -Platinum -Rhodium -Iridium -Osmium Palladium, platinum, and rhodium are all members of the … Read more

Portfolio Variance: Definition, Formula, Calculation, and Example.

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Portfolio Variance Definition: Portfolio variance is a measure of the dispersion of returns for a portfolio of investments. The higher the portfolio variance, the greater the risk associated with the portfolio. Formula: Portfolio variance is calculated as the sum of the variances of the individual investment returns, weighted by the fraction of the portfolio invested … Read more