Bid and Asked: The bid (the highest price a buyer is prepared to pay for a trading asset) and the asked (the lowest price acceptable to a prospective seller of the same security) together comprise a quotation, or quote.

Bid Price: The price at which a buyer is willing to buy an option or a stock.

Bid Up: Demand for an asset drives up the price paid by buyers.

Bid-Asked Spread: The difference between bid and asked prices constitute the bid-asked spread.