Magnite is trading 5% down at $21.38, as the move coincides with broad software-sector weakness; no clear company-specific announcement explains the October 30 decline.

  • The IGV software ETF fell 3.52% in the October 30 regular session, amid concern about disappointing results and outlooks from ServiceNow and Fortinet and weakness at Alphabet.
  • Magnite is scheduled to report third-quarter results on November 4.