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NDOG — New Day Opening Gap

The Daily Gap That Acts Like a Magnet for Price

Formed the moment Sunday's session opens away from Friday's close — and price rarely forgets it's there.

Written guide~1 min readBeginner

Before you start: No prior concept needed — just comfortable reading a chart across a session open.

Part of the MY EDGE framework — refined through thousands of hours of chart study.

Every trading day between 4:59 PM and 6:00 PM NY time, a new reference forms — the gap between yesterday's close and today's open. The NDOG (New Day Opening Gap) is the first thing we mark every day, and one of the most reliable price magnets in our entire toolkit.

What's Inside
  1. Core Idea
  2. Why It Exists
  3. How Professionals Read It
  4. Practical Application
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Frequently Asked Questions

What is NDOG (New Day Opening Gap)?

NDOG is the price gap that forms every trading day between roughly 4:59 and 6:00 PM New York time, between the previous day's close and today's open — one of the more reliable price magnets in this toolkit.

How do I use the NDOG in daily analysis?

Mark it the moment it forms along with the previous day's high/low, weekly and daily equilibrium, and IPDA 20/40/60 ranges, then treat it as a higher-timeframe reference rather than a standalone trading signal.

NDOG vs NWOG — what's the difference?

NDOG is the daily version of the gap, formed between sessions each day; NWOG is the same concept on a weekly rhythm, formed between the previous week's close and the current week's open, and it stays relevant longer.

Should I look at a single NDOG or several at once?

Always check the last five NDOGs together rather than one in isolation — a single NDOG tells you less than the group, which is exactly what the NDOG Cluster Model is built to read.