ACI Worldwide, Inc. (ACIW) Raises 2026 Adjusted EBITDA Guidance to $550M–$565M
ACI Worldwide reported Q3 2026 revenue of $427M, down 12% YoY, and adjusted EBITDA of $98M, down 43%. The company raised its 2026 adjusted EBITDA guidance to $550M–$565M from $545M–$560M, while reiterating revenue guidance of $1.895B–$1.925B. Q3 net new ARR bookings grew 86% YoY to $24M, contrasting with a 3% decline in trailing-12-month ARR bookings. The company has repurchased 3.4M shares YTD for approximately $157M.
How this was made

The 30-second read
Why it matters
The guidance raise is a primary, material update that could shift investor expectations and move the stock.
Market read
Guidance upgrades are key catalysts for price moves; this update is likely to generate short‑term buying interest.
What to watch
Renewal timing volatility may cause future earnings swings despite current guidance raise.
Background
ACI Worldwide reported Q3 2026 results with revenue down 12% YoY and adjusted EBITDA down 43%, but raised FY2026 EBITDA guidance.
Ticker impact
ACI Worldwide raised FY2026 adjusted EBITDA guidance to $550M‑$565M, a primary disclosure of new guidance.
likely modest upside as investors price in higher full‑year EBITDA outlook
The guidance increase is a fresh, material fact; markets typically react positively to upward EBITDA guidance.
Market effects
May improve outlook for payment‑processing software sector as ACI signals resilience.
Limited to U.S. equities; no broader regional effect.
Low global relevance beyond investors tracking fintech peers.
Counterpoint
Q3 revenue decline and EBITDA drop could signal deeper operational issues, limiting upside.
Key entities
- companyACI Worldwide, Inc.
U.S. payment‑processing software provider.


