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

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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, ...

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 ...