IDMM Market Structure Heat Map — Midday Update 9-16-2026

Today's ETF structure shows a broad expansion away from the Open, with both upside and downside measured moves reaching across the universe.

Universe: 67 ETFs

ML STRUCTURE

ML1 Reached: 19

Currently Above ML1: 7 / 19 (36.8%)

ML1 ≥ Open: 19 / 19 (100%)

MS STRUCTURE

MS1 Reached: 18

Currently Below MS1: 7 / 18 (38.9%)

MS1 ≤ Open: 18 / 18 (100%)

REVERSALS

ML1/MS1 Reversals: 0

Symbols: None

Fast Move Observation

DIA reached its measured level quickly after the Open, with the move occurring within the first 30 minutes of trading.

Today's session is another example of measuring market behavior from the Open:

Define the structural levels.

Observe which levels are reached.

Measure what happens after the move.

The objective is not to predict the market — it is to quantify the ehavior.

Levels are calculated from the opening price and are dependent on the underlying data source.

For research and educational purposes only.