What is the meaning of SLEX?

As a finance and cryptocurrency practitioner, I'm often asked about various acronyms and abbreviations that are prevalent in our industry. Today, I've been posed with a question about the meaning of "SLEX." Could you elaborate on what SLEX stands for in the context of finance or cryptocurrency? Is it a specific trading strategy, a technical indicator, or perhaps a reference to a particular exchange or platform? Clarifying this acronym's significance would help me and others in the field better understand its relevance and potential applications.