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[@traderprimez](/creator/twitter/traderprimez)
"Let's settle this once and for all. "Why $YM is not a reliable asset for correlation analysis with $ES or $NQ" One word answer: "Weighting Methodology." ES and NQ are market capitalization weighted indices meaning "high market cap assets" (mostly tech giants) drive their price movements. Since these leaders overlap heavily they make ES & NQ move in tandem becasue the same stocks are dictating direction for both. YM however is price weighted: means "high price stocks" (not necessarily high cap) lead the charge. These can shift with price fluctuations or splits creating inconsistent "direction"  
[X Link](https://x.com/traderprimez/status/1979475332806922644) [@traderprimez](/creator/x/traderprimez) 2025-10-18T09:11Z XXX followers, XXX engagements