Trading & Market Structure

Closing Auction

Definition

What is Closing Auction?

An end-of-session process that matches orders at a single closing price.

Example in practice

Index funds trade heavily in the closing auction to match benchmark weights.

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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