We measured 502 AI answers: 19% of identical AI runs change their recommendation aeovapartners.com

Original UK research: the Aeova AEO Index and monthly readings measure how AI engines (ChatGPT, Perplexity, Google AI Overviews) answer real buying questions. Includes a 1,211-answer volatility reading (19% same-engine recommendation flips, 29% cross-engine disagreement), a 502-answer index across five home improvement trades, and a fully public method. Data published CC BY 4.0.