Trading & Market Structure

Board Lot

Definition

What is Board Lot?

The exchange's standard trading unit for a security.

Example in practice

Orders below the 100-share board lot enter the odd-lot market.

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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