{"version":"1.0","type":"card","id":"031f6c44-d1d8-42ea-99cb-12fd2e4ba365","url":"https://stacklist.com/card/031f6c44-d1d8-42ea-99cb-12fd2e4ba365","title":"Why Overconfidence Is The Biggest Threat To Your Spreadsheets","source_url":"https://www.factotum.com/why-overconfidence-is-the-biggest-threat-to-your-spreadsheets/","note":"Most people think their spreadsheets are more accurate than they really are. Research shows that when modellers work alone, they estimate an 18% probability of error in their work. The reality is very different: 86% of them make mistakes.","image":{"url":"https://ucarecdn.com/7d20addf-9aee-43f3-90a9-c01c83dbbb9d/","alt":"Why Overconfidence Is The Biggest Threat To Your Spreadsheets","width":1330,"height":630},"stack":{"id":"5199d313-9290-4026-a3d8-3d2499130f93","title":"Blog","url":"https://stacklist.com/stack/5199d313-9290-4026-a3d8-3d2499130f93"},"created_at":"2026-06-17T10:21:57.167Z","updated_at":null,"aco":{"summary":"Financial model integrity is essential for trustworthy decision-making in advisory contexts, as overconfidence in spreadsheets can threaten the reliability of analyses. This guide addresses how to ensure your financial models maintain integrity and support sound business decisions.","tags":["financial-modeling","spreadsheets","overconfidence","decision-making","model-integrity","advisory"],"key_entities":[{"name":"Financial Model Integrity","type":"concept","confidence":0.95},{"name":"Overconfidence","type":"concept","confidence":0.92},{"name":"Decision-Making","type":"concept","confidence":0.9},{"name":"Stephen","type":"person","confidence":0.85},{"name":"Spreadsheets","type":"technology","confidence":0.93}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-06-17T10:22:01.961Z"},"token_counts":{"approximate":28,"cl100k":19},"content_hash":"sha256:45681b5b069d05f3de20468bca39b3aa987288cf7d71baa68e1541a947c2d3c9","acp_version":"0.2","body_available":true,"body_tokens":28,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/031f6c44-d1d8-42ea-99cb-12fd2e4ba365.json","html":"https://stacklist.com/card/031f6c44-d1d8-42ea-99cb-12fd2e4ba365","md":"/api/public/card/031f6c44-d1d8-42ea-99cb-12fd2e4ba365.md","stack_json":"/api/public/stack/5199d313-9290-4026-a3d8-3d2499130f93.json"}}