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Marketmaker Toolkit


Marketmakers with password authorization, click here for Marketmaker Toolkit Tour.

The BarterSecurities system provides a toolkit which allows marketmakers to

  • measure the attractiveness of any incoming barter order,
  • specify how aggressively or passively to respond to it, either automatically or manually, using customized decision rules, and
  • isolate the profit and loss impact of each decision rule on a real-time basis.

For example, attractive orders might have the dollar amounts of the buy- and sell- sides almost equal, with stocks that exhibit a close industry match and high liquidity. A marketmaker could choose to show an automatic offer for these types of orders at the corresponding National Best Bid and Offer (NBBO) price reduced by 20% of the NBBO spread, for the current NBBO size. (A marketmaker response to a barter order is referred to as an offer, although both a single-stock bid and a single-stock offer are implied.)

Measure the Attractiveness of Incoming Orders

To characterize incoming orders, marketmakers define trading decision rules, which can be activated or disabled at any time. A rule is the link between the market characteristics of an order and the marketmakers response to it. The characteristics of the order are tested by conditions which a marketmaker defines. The conditions are constraints on characteristics of the barter order such as (1) closeness of the buy-side and sell-side dollar amounts, (2) industry closeness of the two legs, (3) volumes, (4) market capitalizations, (5) symbol inclusion on a user-defined list, etc.

Respond to the Order

If all of the conditions in a rule are satisfied by an incoming barter order, the offer prices and offer sizes that the marketmaker has associated with the rule (price and size tiers) are automatically displayed on the BarterSecurities order book for that particular barter order. The price and size tiers may be expressed in terms of the current NBBO price and size, and multiple offers of various price/size combinations can be generated.

Additionally, the tool kit can be used to alert marketmakers to those barter orders to which they desire to provide manual responses. For example, a marketmaker may use the toolkit to be alerted if an order to barter for at least 10,000 shares of IBM is entered into the system, so that the marketmaker can evaluate the particular barter order and, if desired, can provide a manual response. As another example, individual marketmakers who trade a small group of, say, 30 stocks can use the toolkit to alert them to give a manual response whenever the securities of a barter order fall within their pre-designated symbol list.

Report Trades, Inventories, and P&L

The marketmaker toolkit provides extensive reporting capabilities. Trade Tickers list individual trades from a Data Source that the marketmaker defines. Thus, a marketmaker could report all trades within a certain symbol list, or all trades invoked by a certain trading decision rule. Position and P&L Reports show cumulative totals of share inventories and profit/loss associated with a specified data source and according to a partitioning (e.g., symbols or trading decision rules) that the marketmaker specifies. Accordingly, marketmakers can monitor on a real-time basis the profit and loss impact of the decision rules and the price/size tiers that they create.

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