UZU News https://uzunews.com UZU News publishes independent coverage of AI forecasting and financial modeling. en-US Tue, 25 Aug 2026 19:04:54 GMT A high backtest Sharpe ratio proves little: what real validation requires https://uzunews.com/investing/why-a-great-backtest-proves-little-3.html https://uzunews.com/investing/why-a-great-backtest-proves-little-3.html Tue, 25 Aug 2026 08:58:09 GMT Karim Al-Rashid investing What does out-of-sample mean in a forecasting paper? https://uzunews.com/analysis/what-does-out-of-sample-mean-forecasting-3.html https://uzunews.com/analysis/what-does-out-of-sample-mean-forecasting-3.html Tue, 25 Aug 2026 08:58:08 GMT Sofia Lindqvist analysis SEC settles its first AI-washing cases for a combined $400,000 https://uzunews.com/finance-news/sec-first-ai-washing-settlements-model-claims-3.html https://uzunews.com/finance-news/sec-first-ai-washing-settlements-model-claims-3.html Tue, 25 Aug 2026 08:58:07 GMT Naomi Bergman finance-news How many signals were tested before this one worked? https://uzunews.com/investing/how-many-signals-were-tested-before-this-one-worked-b329667a.html https://uzunews.com/investing/how-many-signals-were-tested-before-this-one-worked-b329667a.html Tue, 25 Aug 2026 08:52:06 GMT Karim Al-Rashid investing What replaced the guidance that has governed bank models since 2011? https://uzunews.com/analysis/what-replaced-the-guidance-that-has-governed-bank-models-since-2011-94446759.html https://uzunews.com/analysis/what-replaced-the-guidance-that-has-governed-bank-models-since-2011-94446759.html Tue, 25 Aug 2026 08:52:05 GMT Sofia Lindqvist analysis Every backtest is one of many: what the trial count does to measured performance https://uzunews.com/finance-news/every-backtest-is-one-of-many-what-the-trial-count-does-to-measured-performance-bdca43b3.html https://uzunews.com/finance-news/every-backtest-is-one-of-many-what-the-trial-count-does-to-measured-performance-bdca43b3.html Tue, 25 Aug 2026 08:52:04 GMT Naomi Bergman finance-news What is 'probability of backtest overfitting,' and how is it actually measured? https://uzunews.com/markets/what-is-probability-of-backtest-overfitting-and-how-is-it-actually-measured.html https://uzunews.com/markets/what-is-probability-of-backtest-overfitting-and-how-is-it-actually-measured.html Tue, 25 Aug 2026 08:52:03 GMT Naomi Bergman markets The Backtest Trap: Why a Great Historical Track Record Doesn't Prove a Forecasting Model Works https://uzunews.com/economy/the-backtest-trap-why-a-great-historical-track-record-doesn-t-prove-a-forecasting-model-works-e62c198f.html https://uzunews.com/economy/the-backtest-trap-why-a-great-historical-track-record-doesn-t-prove-a-forecasting-model-works-e62c198f.html Tue, 25 Aug 2026 08:52:02 GMT Rekha Patel economy AI-washing is not a model failure: what the SEC's enforcement actually measured https://uzunews.com/business-news/ai-washing-is-not-a-model-failure-what-the-sec-s-enforcement-actually-measured.html https://uzunews.com/business-news/ai-washing-is-not-a-model-failure-what-the-sec-s-enforcement-actually-measured.html Tue, 25 Aug 2026 08:52:01 GMT Karim Al-Rashid business-news