Multicomputer distributed processing of linked orders

A method comprising:

• receiving, by an alternative trading system from an order submitter, a formula defining a set of orders for a side of trading in a financial instrument, in which the formula relates price to size to define the set of orders;
• transmitting, by the alternative trading system, an indication of the formula and a side of the trade to a plurality of participant systems that each access respective order management systems of respective buy side participants, in which the order management systems, taken together, form a dark pool of liquidity that is accessible to the alternative trading system;
• receiving, by a participant system of the plurality of participant systems from the alternative trading system, the indication of the formula and the side of the trade;
• in response to receiving the indication of the formula and the side of the trade, determining, by the participant system, that an order for an opposite side of trading is pending in an order management system of a buy side participant that is accessible by the participant system;
• in response to determining that the order for the opposite side of the trade is pending, determining, by the participant system, a quantity defined by the order;
• in response to determining the quantity, determining, by the participant system, a price from the formula by inputting the quantity into the formula;
• in response to determining the price, querying, by the participant system, a trading entity for an acceptance of a trade with the price and quantity;
• receiving, by the participant system, an indication of the acceptance;
• in response to receiving the indication of the acceptance, transmitting, by the participant system, the indication of the acceptance to the alternative trading system;
• receiving, by the alternative trading system, the indication of the acceptance;
• and
• in response to receiving the indication of the acceptance, facilitating, by the alternative trading system, execution of the trade;
• notifying, by the alternative trading system, the order submitter of the trade;
• and determining, by the alternative trading system, that the set of orders is fulfilled based on the trade being executed.