Dataset accompanying the bigbio.ai case study "Read the footnote" (/articles/read-the-footnote). Figures are the published aggregates of the EY-Parthenon CEO Outlook Survey, October 2026 (anonymous online survey of 1,200 CEOs, 21 countries, fielded August-September 2026), extracted from the chart data on https://www.ey.com/en_gl/ceo/ceo-outlook-global-report and the press release of 1 October 2026, captured 2026-10-01. M&A series: EY Insights and Dealogic, deals US$100m+. Reproduced for verification; all figures remain the publisher's. questions.csv viz_id, edition, chart_title, question, note (response rule) responses.csv edition, viz_id, region, response, pct mna_timeseries.csv period_start, deal_volume_100m_plus, deal_value_usd_m prose_stats.csv source, n, sentence (numeric sentences, verbatim)