Trading & Market Structure

Pre-Open Session

Definition

What is Pre-Open Session?

A period before regular trading when orders may be entered but not continuously executed.

Example in practice

Investors submit orders during pre-open for the opening auction.

Keep learning

The highest price a buyer is currently willing to pay for a security.

The lowest price a seller is currently willing to accept for a security.

The difference between the best available buying and selling prices.

An instruction to buy or sell immediately at the best available prices.

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