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                                                                    Exhibit 15.1




May 14, 2001

Enhance Financial Services Group Inc.
335 Madison Avenue
New York, New York

We have made a review, in accordance with standards established by the American
Institute of Certified Public Accountants, of the unaudited interim financial
information of Enhance Financial Services Group Inc. and subsidiaries for the
periods ended September 30, 2000 and 1999 as indicated in our report dated
November 17, 2000; because we did not perform an audit, we expressed no opinion
on that information.

We are aware that our report referred to above, which is included in your
Quarterly Report on Form 10-Q/A for the quarter ended September 30, 2000 is
being used in this Amendment No. 1 to the Current Report of Radian Group Inc. on
Form 8-K/A and is incorporated by reference in Registration Statement No.
333-52762 on Form S-8, Registration Statement No. 333-54964 on Form S-3,
Registration Statement No. 333-81549 on Form S-8, Registration Statement No.
333-40623 on Form S-8, Registration Statement No. 33-98106 on Form S-8,
Registration Statement No. 33-67366 on Form S-8 and Registration Statement No.
33-57872 on Form S-8, each a Registration Statement of Radian Group Inc.

We also are aware that the aforementioned report, pursuant to Rule 436(c) under
the Securities Act of 1933, is not considered a part of any such Registration
Statement prepared or certified by an accountant or a report prepared or
certified by an accountant within the meaning of Sections 7 and 11 of that Act.


/s/ Deloitte & Touche LLP

New York, New York