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Rule 48
Rule 48, also known as Exemptive Relief — Extreme Market Volatility Condition, was a mechanism used by the New York Stock Exchange to ease market opening while volatility is high. It may have the effect of pre-empting trading at disrupted prices, as the designated market makers do not have to disseminate price indications prior to the opening bell. It was approved in 2007 and repealed in 2016. History Rule 48 was approved by the U.S. Securities and Exchange Commission The United States Securities and Exchange Commission (SEC) is an independent agency of the United States federal government, created in the aftermath of the Wall Street crash of 1929. Its primary purpose is to enforce laws against market m ... on December 6, 2007. It was invoked 77 times from 2008 to September 2015, but only used a few times. For example, it was used on January 22, 2008, and May 20, 2010, as well as September 1, 2015. In the aftermath of disorderly trading on August 24, 2015, the NYSE prop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volatility (finance)
In finance, volatility (usually denoted by "sigma, σ") is the Variability (statistics), degree of variation of a trading price series over time, usually measured by the standard deviation of logarithmic returns. Historic volatility measures a time series of past market prices. Implied volatility looks forward in time, being derived from the market price of a market-traded derivative (in particular, an option). Volatility terminology Volatility as described here refers to the actual volatility, more specifically: * actual current volatility of a financial instrument for a specified period (for example 30 days or 90 days), based on historical prices over the specified period with the last observation the most recent price. * actual historical volatility which refers to the volatility of a financial instrument over a specified period but with the last observation on a date in the past **near synonymous is realized volatility, the square root of the realized variance, in turn c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New York Stock Exchange
The New York Stock Exchange (NYSE, nicknamed "The Big Board") is an American stock exchange in the Financial District, Manhattan, Financial District of Lower Manhattan in New York City. It is the List of stock exchanges, largest stock exchange in the world by market capitalization, exceeding $25 trillion in July 2024. The NYSE is owned by Intercontinental Exchange, an American holding company that it also lists (ticker symbol ICE). Previously, it was part of NYSE Euronext (NYX), which was formed by the NYSE's 2007 merger with Euronext. According to a Gallup, Inc., Gallup poll conducted in 2022, approximately 58% of American adults reported having money invested in the stock market, either through individual stocks, mutual funds, or 401(k), retirement accounts. __FORCETOC__ History The earliest recorded organization of Security (finance), securities trading in New York among brokers directly dealing with each other can be traced to the Buttonwood Agreement. Previously, secu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Market Maker
A market maker or liquidity provider is a company or an individual that quotes both a buy and a sell price in a tradable asset held in inventory, hoping to make a profit on the difference, which is called the ''bid–ask spread'' or ''turn.'' This stabilizes the market, reducing price variation (Volatility (finance), volatility) by setting a trading price range for the asset. In U.S. markets, the U.S. Securities and Exchange Commission defines a "market maker" as a firm that stands ready to buy and sell stock on a regular and continuous basis at a publicly quoted price. A Designated Primary Market Maker (DPM) is a specialized market maker approved by an exchange to guarantee a buy or sell position in a particular assigned security, option, or option index. In currency exchange Most foreign exchange trading firms are market makers, as are many banks. The foreign exchange market maker both buys foreign currency from clients and sells it to other clients. They derive income from the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
