EXHIBIT 32.1

CERTIFICATION OF CEO AND CFO PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of NMI Holdings, Inc. (the "Company") on Form 10-Q for the quarter ended March 31, 2025, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), each of the undersigned officers of the Company certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of such officer's knowledge:

The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.


April 29, 2025

			/s/ Adam S. Pollitzer
			Adam S. Pollitzer
			Chief Executive Officer
			(Principal Executive Officer)


April 29, 2025

			/s/ Aurora Swithenbank
			Aurora Swithenbank
			Chief Financial Officer
			(Principal Financial Officer)

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signatures that appear in typed form within the electronic version of this written statement required by Section 906, has been provided to NMI Holdings, Inc. and will be retained by NMI Holdings, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.

NMI Holdings, Inc. 10-Q