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The high-low of the first 15-30 minutes of the day, which many intraday systems make reference.
Published by The Retail Trader · JUL 31, 2026 · Market Structure
Opening Range — high-low of the first 15-30 minutes of the day, which many intraday systems make reference.
This term comes under Market Structure, in the “MOOD OF MARKET” section. And finally, the market hovers between these three states — the strategy has to change accordingly:
Other terms in this group — understanding them together is more useful:
• Trending Market
• Range-Bound Market
• Choppy Market
• Expansion vs Contraction
• Intraday High / Low
• Volume Confirmation
To read the entire group and all its examples in one place, see the journal "MARKET STRUCTURE: LEVELS, ZONES and SWINGS" - this term is taken from there.
This entry is for educational purposes only and is not a recommendation to buy or sell. Exchanges change charges, margins, lot sizes and expiry rules from time to time, so verify any figures with your broker or exchange.