Clearing Exposure and Competitive Risk for Exchanges
Summary
The document identifies two financial risks for an exchange and its associated clearing corporation. First, a trade may be accepted before the system checks whether the trading member has exceeded its exposure limit. This delay supports fast order handling, but creates last-trade risk: the exchange may have to manage a trade before confirming that the member can cover it. The answer does not detail the safeguards or quantify the resulting exposure.
Second, an exchange faces the risk that trading activity migrates to a competitor. The example describes LIFFE losing market share in Bund futures to the lower-cost electronic exchange DTB; the Bund contract had been a substantial part of LIFFE's business, and the shift coincided with a move from profit to loss. This illustrates how product concentration and changing market structure can create business and financial pressure. The responses focus on clearing exposure and competition, rather than providing a comprehensive inventory of exchange risks.
Key ideas
- An exchange may process a trade before checking the member's remaining exposure limit.
- Delayed exposure checks create last-trade risk for the clearing organization.
- An exchange can lose revenue when traders move to a competing venue.
- Dependence on a major contract can magnify the financial effect of lost market share.
Tags
Full text
# What risks is an exchange exposed to? # What risks is an exchange exposed to? Putting aside operational/reputational/business risks for a minute, a financial institution is concerned with the risk of losing money on their positions. What about an exchange ? I can only think of the case where a multiple counterparties with huge exposures default simultaneously or close to each other totaling more than the clearing members can cover. What other risks (other than operational/reputational) might they face? ## Answer by Uditg_ucla (score 1) https://quant.stackexchange.com/a/21899 One of the risks that an exchange (i.e. the clearing corporation associated with it) faces is 'last-trade' risk. When an order from a trading member hits an exchange, the exchange does not verify the trade against the trading member's remaining exposure limit before-hand. This is because it takes some time to cross-verify from the risk system, and since orders are stacked on 'price + time' priority basis, exchange wants to offer fast access to its client. This is, however, checked subsequently. ## Answer by nbbo2 (score 1) https://quant.stackexchange.com/a/21907 Markets can disappear or go elsewhere. An example from Wikipedia: "LIFFE's most-traded product was a futures contract on Bunds, the 10-year German Government Bond. The DTB offered an identical product but, as an electronic exchange, it had a lower cost base. The progress of DTB can be gauged from the fact that in mid-1997 the DTB had less than 25% of the market. By October, it had more than 50%, and a couple of months later LIFFE was left with only 10%. The Bund represented about a third of LIFFE's business. The exchange, which had turned in a profit of £57m in 1997, reported a loss of £64m in 1998." Source: https://en.wikipedia.org/wiki/London_International_Financial_Futures_and_Options_Exchange
Shown in full with attribution under the source's licence. Licence: CC BY-SA 4.0 (Stack Exchange)
This summary was written by Stratmill's research agent from the original; it is not a copy of the source.