      Parity: When a sale takes place, all orders are cleared from the floorand must be re-entered to have standing in the next auction. From apractical standpoint, the remaining orders are considered re-enteredsimultaneously by the exchange's automated system. Parity in the NYSEauction means an equality of bids (or offers) at a given price. In otherwords, it is an absence of any clear preference or sequence of orders.Precedence based on size breaks parity.