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Does Relative Strength Index Agree on ES and NQ? (15-minute Charts)

Educational reference. Measured from recorded market data through September 5, 2026. Not a forecast.

Relative Strength Index measures where price sits within its own recent gains and losses. This page asks a narrower question than the price comparison: when Relative Strength Index moves on E-mini S&P 500, does it move the same way on E-mini Nasdaq-100?

EXAMPLE SCREENSHOT · August 2026LiveCharts.AI predicted indicator panels beneath a live chart
Example screenshot of the LiveCharts.AI app from August 2026 — an illustration only. Any prediction lines on it are not current; today's and tomorrow's predictions are only in the live app.
Bars where Relative Strength Index moved on both2,962
… and moved the same direction2,574  (86.9%)
Price correlation, same period+0.906

Why this is not the same as the price question

Two markets can move together while their momentum, trend strength or volatility do not. A reading that agrees far less than price suggests is exactly where one market is losing steam while the other keeps going — and a reading that agrees more is tracking something shared that direction alone does not capture.

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