In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, ...

Correlation coefficients range from -1 to +1, indicating the strength of relationships between variables. Investors use correlation coefficients for portfolio diversification to reduce risk.

Crypto options exchange Deribit's forward-looking bitcoin volatility index (DVOL) offers clues about the market's expectations for price turbulence over the next 30 days, just as the Chicago Board ...

ORLANDO, Florida, April 10 (Reuters) - Correlations between U.S. stocks and bonds are weakening and in some cases turning negative for the first time in almost a year, breathing new life into the ...