Fitch upgrades Vistra to investment grade, joining S&P

Fitch raised Vistra's long-term issuer default rating to BBB-, which is investment grade, and the release said the upgrade reflected a stronger business profile, credit metrics and capital allocation. The announcement came after S&P had upgraded Vistra to investment grade on December 2, 2025, so the company now holds investment-grade ratings from two major agencies.

• Fitch long-term issuer default rating raised to BBB-
• S&P investment-grade upgrade dated December 2, 2025
• Second investment-grade rating from a major agency