Abstract: A method of managing trading orders is provided. The method includes receiving a request to place a first order to trade a first product, the request being made using an account having one or more current balances. The method further includes determining a risk value for the first order based at least in part on the first product. The method further includes determining whether to approve the first order based at least in part on the risk value determined for the first order and one or more of the current balances for the account, and if the first order is approved, placing the first order.

Abstract: A method of providing an intermediary for a transaction is provided. The method includes receiving a first request to place a first order to trade a first product at a first price, the first product being associated with one or more events. The first order is placed. The method further includes receiving a second request to place a second order to trade the first product at a second price. The second order is placed. A match between the first order and the second order is identified based at least in part on the first price of the first order and the second price of the second order. A first set of one or more obligations is established based at least in part on the first order, and a second set of one or more obligations is established based at least in part on the second order.

Abstract: A method of managing a blackjack game is provided. A blackjack game bet comprising a bet against a house entity on a blackjack hand is received from a player. A pair of cards is determined for a hand for the house entity, and another pair of cards is determined for a hand for the player. The odds of the occurrence of one or more subsequent events are determined based at least in part on one or more of the pair of cards selected for the house entity's hand and one or more of the pair of cards selected for the player's hand. The odds for an additional bet are determined based at least on the determined odds for the one or more subsequent events, and the additional bet is offered to the player at the determined odds for the additional bet.

Abstract: A method of managing a blackjack game is provided. A blackjack game bet comprising a bet against a house entity on a blackjack hand is received from a player. A pair of cards is determined for a hand for the house entity, and another pair of cards is determined for a hand for the player. The odds of the occurrence of one or more subsequent events are determined based at least in part on one or more of the pair of cards selected for the house entity's hand and one or more of the pair of cards selected for the player's hand. The odds for an additional bet are determined based at least on the determined odds for the one or more subsequent events, and the additional bet is offered to the player at the determined odds for the additional bet.

Abstract: A method of managing a blackjack game is provided. A blackjack game bet comprising a bet against a house entity on a blackjack hand is received from a player. A pair of cards is determined for a hand for the house entity, and another pair of cards is determined for a hand for the player. The odds of the occurrence of one or more subsequent events are determined based at least in part on one or more of the pair of cards selected for the house entity's hand and one or more of the pair of cards selected for the player's hand. The odds for an additional bet are determined based at least on the determined odds for the one or more subsequent events, and the additional bet is offered to the player at the determined odds for the additional bet.

Abstract: A method of determining whether to approve trading order requests is provided. A request to place a first trading order is received from a user using a trading account associated with the user. A risk value is determined for the first trading order. A plurality of balances associated with the trading account are determined. The balances may include an available cash balance, an available credit balance, and an available waived margin balance for the trading account. A determination of whether to approve the first trading order is made based at least in part on the risk value for the first trading order and the available cash balance, the available credit balance, and the available waived margin balance determined for the trading account. If the first trading order is approved, the first trading order is placed.

Abstract: A method of managing trading orders is provided. The method includes receiving a request to place a first order to trade a first product, the request being made using an account having one or more current balances. The method further includes determining a risk value for the first order based at least in part on the first product. The method further includes determining whether to approve the first order based at least in part on the risk value determined for the first order and one or more of the current balances for the account, and if the first order is approved, placing the first order.

Abstract: A method of providing an intermediary for a transaction is provided. The method includes receiving a first request to place a first order to trade a first product at a first price, the first product being associated with one or more events. The first order is placed. The method further includes receiving a second request to place a second order to trade the first product at a second price. The second order is placed. A match between the first order and the second order is identified based at least in part on the first price of the first order and the second price of the second order. A first set of one or more obligations is established based at least in part on the first order, and a second set of one or more obligations is established based at least in part on the second order.

Abstract: A method of providing an account is provided. The method includes receiving identification information associated with a user during a communication session. The method further includes communicating a request for credit information. The request includes at least a portion of the identification information. The method further includes receiving the requested credit information, and for each of a plurality of different types of accounts, determining whether to approve that type of account based at least in part on the received credit information. The method further includes communicating an indication of at least a portion of the approved types of accounts, and receiving a selection of at least one of the approved types of accounts. The method further includes opening at least one of the selected types of accounts and providing access to at least one of the opened accounts during the communication session.

Abstract: A method of providing an account is provided. The method includes receiving identification information associated with a user during a communication session and communicating a request for credit information, the request including at least a portion of the identification information. The requested credit information is received and an account is approved and opened based at least on the received credit information. During the communication session, a request made using the opened account to place a first order to trade a first product is received. A risk value for the first order is determined. One or more current balances for the account are also determined. The method further includes determining whether to approve the first order based at least on the risk value determined for the first order and one or more of the current balances for the account, and if the first order is approved, placing the first order.

Abstract: A method of providing an account is provided. The method includes receiving identification information associated with a user during a communication session. The method further includes communicating a request for credit information, wherein the request includes at least a portion of the identification information. The requested credit information is received and an account is approved based at least in part on the received credit information. The account is opened and access is provided to the opened account during the communication session.