Retrieve Current Financial Data Using Datafeed Toolbox
This example shows how to connect to Federal Reserve Economic Data (FRED) and retrieve current financial data.
Connect to FRED
Connect to the FRED data server at https://research.stlouisfed.org/fred2/ using the
c = fred('https://research.stlouisfed.org/fred2/');
Retrieve Current Financial Data
Retrieve current financial data for the S&P 500 series using the
series = 'SP500'; d = fetch(c,series)
d = struct with fields: Title: ' S&P 500' SeriesID: ' SP500' Source: ' S&P Dow Jones Indices LLC' Release: ' Standard & Poors (Not a Press Release)' SeasonalAdjustment: ' Not Seasonally Adjusted' Frequency: ' Daily' Units: ' Index' DateRange: ' 2009-01-12 to 2019-01-09' LastUpdated: ' 2019-01-09 7:10 PM CST' Notes: ' The Federal Reserve Bank of St. Louis and S&P Dow Jones Indices LLC have reached a new agreement on the use of Standard & Poors and Dow Jones Averages series in FRED. FRED and its associated services will include 10 years of daily history for Standard & Poors and Dow Jones Averages series. The S&P 500 is regarded as a gauge of the large cap U.S. equities market. The index includes 500 leading companies in leading industries of the U.S. economy, which are publicly held on either the NYSE or NASDAQ, and covers 75% of U.S. equities. Since this is a price index and not a total return index, the S&P 500 index here does not contain dividends. Copyright © 2016, S&P Dow Jones Indices LLC. All rights reserved. Reproduction of S&P 500 in any form is prohibited except with the prior written permission of S&P Dow Jones Indices LLC (“S&P”). S&P does not guarantee the accuracy, adequacy, completeness or availability of any information and is not responsible for any errors or omissions, regardless of the cause or for the results obtained from the use of such information. S&P DISCLAIMS ANY AND ALL EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR USE. In no event shall S&P be liable for any direct, indirect, special or consequential damages, costs, expenses, legal fees, or losses (including lost income or lost profit and opportunity costs) in connection with subscriber’s or others’ use of S&P 500. Permission to reproduce S&P 500 can be requested from firstname.lastname@example.org. More contact details are available from https://us.spindices.com/contact-us/ including phone numbers for all of its regional offices.' Data: [2608×2 double]
Display the numeric representation of the date and the foreign exchange rate.
ans = 1.0e+05 * 7.3379 0.0087 7.3379 0.0087 7.3379 0.0084 7.3379 0.0084 7.3379 0.0085
Close the FRED Connection
Send Data to ThingSpeak™
Send the last price data to a ThingSpeak channel using the
thingSpeakWrite function. Change the
channelID and the
writeAPIKey to send data to your channel.
channelID=17504; writeAPIKey='23ZLGOBBU9TWHG2H'; thingSpeakWrite(channelID,d.Data(end, 2),'WriteKey',writeAPIKey);