Silvana Sequeiros -

NBBO is an acronym for National Best Bid and Offer. The national best bid price is the highest price that all buyers are willing to pay for a particular stock, regardless of the trading venue it is being published on. Similarly, the national best offer price is the lowest price that all sellers are willing to accept for a particular stock.

As bids and offers may differ between trading venues, the NBBO will be used to describe the Best Bid Price and Best Offer Price across all trading venues.

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