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Identifying unused services is at the heart of DART. This month's
feature highlights the numerous ways in which DART can be used
to rapidly identify unused exchanges/specialist services/vendor
products and save money on your market data bill.
Let's start at the top level and then drill down. David Grant
is an equities trader working in London and dealing in European
stocks. The first report (figure 1) provides a high level view
of how many exchanges the user David Grant has accessed over the
last three months. It tells us that David is 29.7% over-permissioned.
That is, of the 30 exchanges enabled on DACS/TIB Entitlements
(or declared on your honesty statement) this user has used only
21. The cost of David's unused services is about 146 pounds per
month.
Here we have run the report for exchanges but the analysis can
also be performed for specialist services or vendor products.
You can also use pie charts at the cost centre, department or
admin group level.
Now let us look at David's market data usage in more detail.
We can see when his exchanges were enabled (or became liable for
fees). Importantly, this report shows the user's frequency of
exchange use over time. David Grant obviously uses EASDAQ a lot
- 17 times during the week ending 11/5/2001 and 20 times the previous
week. CME and EURONEXT COMMODITY FUTURES are not used at all.
At a combined cost of about 25 dollars per month they should be
de-permissioned and your data access declaration modified for
the next return. DART can do the de-permissioning for you if you
are using the DACS entitlement system.
Also, note from this report that DART maintains a long-term history
of a user's market data consumption. This will allow you to go
back many months (even years) and perform trend analysis. 
Finally, let's look at historical permissions v. used in a different
way. Instead of navigating by user we can look for unused services
by exchange (figure 2). Approximately 56% of users entitled for
Chicago Board of Trade (CBOT) have not used it in the 3 month
period ending 18 May 2001. We can see the 5 users concerned and
when they were enabled for CBOT. Chicago Board of Trade costs
about 31 dollars per month. Another cost saving opportunity!
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