What is RDI and RSI? Understanding the Acronyms in Multiple Contexts
                                
                                
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                                    4 min read                                
                            
                                While the acronyms RDI and RSI are used in multiple industries, they have distinct meanings depending on the context, with the financial version of RSI being one of the most widely used technical indicators since its creation in 1978. This article clarifies both the technical trading definitions and the computer programming registers known by these same letters.