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PRE-OPEN SESSION

The window from 9:00 to 9:15 AM is where orders are collected and an opening price is discovered.

Published by The Retail Trader · JUL 31, 2026 · Market Basics

Pre-Open Session — The window from 9:00 to 9:15 AM where orders are collected and an opening price is discovered.

WHERE THIS FITS IN

This term comes under Market Basics, in the section "DAY SCHEDULE AND SETTLEMENT". How does a trading day work, and when does the money actually change hands:

RELATED TERMS TO READ

Other terms in this group — understanding them together is more useful:
• Trading Hours
• Opening Price
• Closing Price
• LTP (Last Traded Price)
• T+1 Settlement
• Circuit Limit
• Market-Wide Circuit Breaker
• Trading Holiday
• Muhurat Trading

To read the entire group and all its examples in one place, see the journal "MARKET BASICS: ABC of Market" - this term has been 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.

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