TO:	ALL CLEARING MEMBERS
FROM:	BUSINESS SYSTEMS GROUP
DATE:	January 19, 2000
SUBJECT:	Margin Updates

The Board of Trade Clearing Corporation approved the following margin changes effective with the mid-day margin calculation on Friday, January 21, 2000.

CBOT® Margin Interval	From	To
Municipal Bond Index	$1,500	$1,300
1000 oz. Silver	$ 300	$ 250
5000 oz. Silver	$1,500	$1,250
Kilo Gold	$ 650	$ 500
100 oz. Gold	$1,950	$1,500
MidAm Margin Interval	From	To
NY Gold	$ 650	$ 500
NY Silver	$ 300	$ 250
Platinum	$ 550	$ 450

Should you have any questions, please call or e-mail one of the following Business Systems Analysts:

Jennifer Campbell	786-5739	Jennifer.campbell@botcc.com
Joe Casebeer	786-5718	Joseph.casebeer@botcc.com
John Compall	786-5795	john.compall@botcc.com
Shawn Gebbia	786-5748	shawn.gebbia@botcc.com
Marc MacQuarrie	786-5732	marc.macquarrie@botcc.com
Beth Minnick	786-3804	beth.minnick@botcc.com
Matt Walsh	786-5731	matt.walsh@botcc.com
Thomas Andrews	Manager	thomas.andrews@botcc.com
Diane Schuering	Vice President	diane.schuering@botcc.com
Business Systems Group E-Mail Address		BSG@botcc.com