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Random article: Personal spending
This index shows the amount of money spent to satisfy personal requirements. It has three components: expenses to buy durable goods (furniture, cars, home appliances), expenses for soft goods (food, clothes) and payments for services. To estimate the amount of expenses for buying durable and soft goods, the index “Retails sales” is applied. It is harder to estimate the amount of payment for services, because this value is subject to a constant change, and this value is hard to predict. “Personal spending” value is published monthly after 20th at 08:30 a.m EST (New York) simultaneous with "Personal income". Market impact is moderate. Growth of the index is positive for consolidation of national currency.
Relative Volatility Index was elaborated by Donald Dorsey in 1993 and introduced in “ Technical Analysis of Stocks and Commodities” magazine. RVI is not a separate indicator; it is used to confirm signals and improve trading systems. This index measures forces of volatility movement. It does not duplicate signals of other oscillators, but just confirms them. RVI and Relative Strength Index are very much alike, but they additionally demonstrate highest and lowest points of price of standard deviation in a certain range. RVI is calculated in a way similar to calculation of RSI, but here 10-days' standard deviation of close price is taken instead of change of price.
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