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CALL AUCTION

Special mechanism of price discovery for illiquid stocks and pre-open.

Published by The Retail Trader · JUL 31, 2026 · Order Flow

Call Auction — special mechanism of price discovery for illiquid stocks and pre-open.

WHERE THIS FITS IN

This term comes under Order Flow, in the section "EXCHANGE RULES THAT APPLY TO ORDER". Sometimes the reason for order rejection is not your broker, it is the exchange's rule:

RELATED TERMS TO READ

Other terms in this group — understanding them together is more useful:
• Tick Size
• Price Band
• Series
• Trade-to-Trade (T2T)
• ASM / GSM
• Short Delivery
• Auction Session
• Close-Only Restriction
• Circuit Freeze
• Settlement Holiday

To read the entire group and all its examples in one place, see the journal "ORDER FLOW: FROM ORDER TO EXECUTION" - 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.

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