Educational reference. Measured from recorded market data through September 4, 2026. Not a forecast.
Average True Range measures how much ground a bar covers — volatility, not direction. This page asks a narrower question than the price comparison: when Average True Range moves on Micro E-mini Nasdaq-100, does it move the same way on SPDR S&P 500 ETF?
| Bars where Average True Range moved on both | 16,508 |
|---|---|
| … and moved the same direction | 12,617 (76.4%) |
| Price correlation, same period | +0.814 |
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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