UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:
June 15, 2009
Accession Number:
0000950123-09-013349
Submission Type:
POS AM
CIK:
0001145124
Company Name:
THINKORSWIM GROUP INC.
File Number:
333-144019