Data Resources

ISO CFI Code Composer
Classification of financial instrument (CFI) Code is used to define and describe financial instruments as a uniform set of codes for all market particip...
Sat, 15 Oct, 2016 at 7:29 AM
Trade Indicators
Trade Indicators reflect a Sale Condition used to indicate the type of trade transaction entered by a participant.  You may use this field to determine whe...
Wed, 31 Mar, 2021 at 7:33 AM
Split Ratio Calculation
The split ratio is an inverse of the number of shares that a holder of the stock would have after the split divided by the number of shares that the h...
Sun, 23 Oct, 2016 at 9:12 AM
Proportional Dividend Adjustment Explained
The dividend is applied as a portion of the close value of the stock on the day previous to the ex date. For example, if a stock has a close of $10 and...
Mon, 22 Mar, 2021 at 9:15 AM
Calculations: C= The closing stock price for the preceding trading days (i.e. Previous close, the trading session before that, etc) 21-day Simple M...
Thu, 6 Feb, 2020 at 12:19 PM
Advancers/Decliners "Top Ten" Index Symbols
These indices are used to measure the breadth of the market by long-term investors, i.e., market breadth indicators. The following is a list of valid symb...
Mon, 29 May, 2017 at 11:43 AM
Greeks Data Calculation and Implied Volatility
Wed, 30 Oct, 2019 at 9:28 AM
NASDAQ Basic Plus Data
NASDAQ Basic+ is an affordable alternative to US Equity Level 1.  NASDAQ Basic+ provides the most recent of the quote/price from the Real-Time NASDAQ Ba...
Tue, 2 Jul, 2019 at 1:59 PM
Nasdaq Last Sale Plus (NLS Plus)
NASDAQ Last Sale Plus provides the real-time last price and volume similar to  NASDAQ Basic Plus but does not provide Bid/Ask price/size data.  Bid/Ask pric...
Tue, 2 Jul, 2019 at 2:03 PM
NASDAQ Basic Canada
* NASDAQ Basic Canada is available to Quotestream users for no charge until the end of September 2020. NASDAQ Basic Canada is an affordable alternative ...
Tue, 7 Dec, 2021 at 12:23 PM