Key Highlights

  • Amdocs (NASDAQ:DOX) traded at USD 44.61, down 28.55%, in intraday trading on November 4, 2026, after fiscal 2026 results and an outlook published on November 3, 2026.
  • Fiscal 2027 reported Revenue is guided to decline 14.3% to 17.9%, and non-GAAP diluted EPS to fall 26% to 30% from USD 7.41 in fiscal 2026.
  • Amdocs and its largest customer each allege material breach, and the guidance allows for termination by either party, with arbitration possible.
  • Twelve-month Backlog was USD 3.50 billion, down roughly USD 370 million sequentially, and first quarter fiscal 2027 revenue is guided to USD 955 million to USD 995 million.

What Moved Amdocs During Trading (down USD 17.83, 28.55%)

Amdocs (NASDAQ:DOX) was quoted at USD 44.61, down 28.55% in intraday market data on November 4, 2026. That implies a prior close of about USD 62.44 and a fall of USD 17.83 (calculated). The stock had been down about 40% in the pre-market session, so part of the loss was recovered after the open, but the shares remain far below the previous close. The trigger was the fiscal fourth quarter and full-year 2026 release of November 3, 2026, which paired a solid quarter with a sharply lower outlook for fiscal 2027.

The Guidance and the Dispute With Its Largest Customer

According to the company release furnished on Form 6-K, fiscal 2026 revenue was USD 4,697 million, up 3.6%, and non-GAAP diluted EPS was USD 7.41, up 6.0%. Fourth quarter revenue was USD 1,194 million, up 3.8%, with non-GAAP diluted EPS of USD 1.98. For fiscal 2027, reported revenue growth is guided to a range of negative 17.9% to negative 14.3%, or negative 11% to negative 7% on a pro forma constant currency basis. GAAP diluted EPS growth is guided to negative 25% to negative 17%. Free Cash Flow is guided to USD 440 million to USD 500 million. The release says both sides issued notices alleging material breach, that termination or monetary claims are possible and that guidance contemplates termination by either party.

Why the Market Reacted So Strongly

Backlog is the pipeline of contracted work that converts into revenue, and Amdocs reported a twelve-month backlog of USD 3.50 billion, down about 9.6% year over year on an adjusted basis. When a single customer is large enough to move guidance by double digits, a dispute turns a normal renewal into a binary risk: arbitration could reduce revenue, raise legal costs and force restructuring, while a settlement could narrow the range. Margins matter too, because fixed delivery costs spread over less revenue lower profit faster than sales fall. The company has not disclosed the customer share of revenue in the release, so outside estimates of exposure are inferences. Lower Earnings also shrink the cash available for Investment and acquisitions, which management must weigh against legal costs.

Where Things Stand

Amdocs (NASDAQ:DOX) is down 28.55% intraday on November 4, 2026 because the fiscal 2027 outlook implies a large revenue decline linked to a contract dispute with its largest customer, even though fiscal 2026 results were solid. The market is pricing the chance of termination and arbitration. Items to follow include any further filing on the dispute, the first quarter fiscal 2027 report with revenue guided to USD 955 million to USD 995 million, and analyst estimate revisions. Intraday moves can change before the close, and the pre-market loss of about 40% already showed how volatile the reaction has been.