What is cot in trading?

I'm curious to know, could you please explain what the term 'COT' stands for in the context of trading? As a professional in the field of cryptocurrency and finance, I'm always seeking to expand my knowledge on the various terms and acronyms used in the industry. I understand that understanding these fundamentals is crucial for making informed decisions and navigating the complex landscape of financial markets. So, if you could elaborate on the meaning and significance of COT in trading, that would be incredibly helpful.