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The securities listed on Nasdaq can be quoted and traded from any US exchange. Trades and quotes on these securities are distributed on two separate feeds, the UTP Quotation Data Feed (UQDF) and the UTP Trade Data Feed (UTDF). UQDF provides traders a direct view of an NBBO. These feeds are considered level 1 or the top-of-book.
Securities information processor. A securities information processor (SIP) is a part of the infrastructure of public market data providers in the United States that process, consolidate, and disseminate quotes and trade data from different US securities exchanges and market centers. [1] An important purpose of the SIPs for US securities is to ...
A significant gauge of the level of options market data is messages per second (MPS), which is the number of messages (i.e., options trade and quote data) reported to OPRA by the options exchanges during any given second of a trading day. Data volume has increased dramatically since the early 1990s, as illustrated in the following table.
20. 2008-11-24. 1,384.35. 1,480.41. +6.94%. +6.33%. Largest intraday percentage drops. An intraday percentage drop is defined as the difference between the previous trading session's closing price and the intraday low of the following trading session. The closing percentage change denotes the ultimate percentage change recorded after the ...
MGK data by YCharts. As you can see in the chart, the funds have nearly identical performances. They also have similar expense ratios -- ranging from just 0.03% to 0.1%.
Market data generally refers to either real-time or delayed price quotations. The term also includes static or reference data, that is, any type of data related to securities that is not changing in real time. Reference data includes identifier codes such as ISIN codes, the exchange a security trades on, end-of-day pricing, name and address of ...
The Nasdaq Composite ( ticker symbol ^IXIC) [ 2] is a stock market index that includes almost all stocks listed on the Nasdaq stock exchange. Along with the Dow Jones Industrial Average and S&P 500, it is one of the three most-followed stock market indices in the United States. The composition of the NASDAQ Composite is heavily weighted towards ...
Financial data vendor. A financial data vendor provides market data to financial firms, traders, and investors. The data distributed is collected from sources such as stock exchange feeds, brokers and dealer desks or regulatory filings (e.g. an SEC filing ).