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Alpha is a measure of the active return on an investment, the performance of that investment compared with a suitable market index.An alpha of 1% means the investment's return on investment over a selected period of time was 1% better than the market during that same period; a negative alpha means the investment underperformed the market.
The underlying security may be a stock index or an individual firm's stock, e.g. single-stock futures. Stock futures are contracts where the buyer is long , i.e., takes on the obligation to buy on the contract maturity date, and the seller is short , i.e., takes on the obligation to sell.
Preferred stock, share capital (or capital stock) and capital surplus (or additional paid-in capital) reflect original contributions to the business from its investors or organizers. Treasury stock appears as a contra-equity balance (an offset to equity) that reflects the amount that the business has paid to repurchase stock from shareholders.
* Note: "Δ" to UTC, as well as "Open (UTC)" and "Close (UTC)" columns contain valid data only for standard time in a given time zone. During daylight saving time period, the UTC times will be one hour less and Δs one hour more.
In 2009, Bloomberg released Bloomberg’s Open Symbology ("BSYM"), a system for identifying financial instruments across asset classes. [1]As of 2014 the name and identifier called 'Bloomberg Global Identifier' (BBGID) was replaced in full and adopted by the Object Management Group and Bloomberg with the standard renamed as the 'Financial Instrument Global Identifier' (FIGI).
In 1817, the constitution of the New York Stock and Exchange Board is adopted. It had also been established by the New York brokers as a formal organization. [54] In 1863, the name changed to the New York Stock Exchange. In 1865, the New York Gold Exchange was acquired by the NYSE. [55] In 1867, stock tickers were first introduced. [56]
A higher volatility stock, with the same expected return of 7% but with annual volatility of 20%, would indicate returns from approximately negative 33% to positive 47% most of the time (19 times out of 20, or 95%). These estimates assume a normal distribution; in reality stock price movements are found to be leptokurtotic (fat-tailed).
A trader who expects a stock's price to increase can buy a call option to purchase the stock at a fixed price (strike price) at a later date, rather than purchase the stock outright. The cash outlay on the option is the premium. The trader would have no obligation to buy the stock, but only has the right to do so on or before the expiration date.
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