https://uzunews.com/investing/why-a-great-backtest-proves-little-3.html https://nyc3.digitaloceanspaces.com/vuga/articles/folder-import/2c/2cc780bf5e0b0f0c57767ee44bb9f79095940ea9af5a3c2fdd2c2c70bcf2b298.webp A high backtest Sharpe ratio proves little: what real validation requires https://uzunews.com/analysis/what-does-out-of-sample-mean-forecasting-3.html https://nyc3.digitaloceanspaces.com/vuga/articles/folder-import/0e/0eea56c0ab8d640f8e3c6609ad3175f154a0612e6d3d19eff83b830df11c2585.webp What does out-of-sample mean in a forecasting paper? https://uzunews.com/finance-news/sec-first-ai-washing-settlements-model-claims-3.html https://nyc3.digitaloceanspaces.com/vuga/articles/folder-import/ef/ef37bbf65a3cda8e2efd05d5bc2842c935d7e244295ab1bbeb8e2f9434bc6ba1.webp SEC settles its first AI-washing cases for a combined $400,000 https://uzunews.com/investing/how-many-signals-were-tested-before-this-one-worked-b329667a.html https://nyc3.digitaloceanspaces.com/vuga/articles/folder-import/42/42cc6bc15b57750538f31e87f979deda6835502f8a953fd59b20d0f6cb720d0f.webp How many signals were tested before this one worked? https://uzunews.com/analysis/what-replaced-the-guidance-that-has-governed-bank-models-since-2011-94446759.html https://nyc3.digitaloceanspaces.com/vuga/articles/folder-import/3d/3df999f19f056a7bcb4473553f1a2290f85a6d1ede6c4448d6c974b0a9bc71a1.webp What replaced the guidance that has governed bank models since 2011? https://uzunews.com/finance-news/every-backtest-is-one-of-many-what-the-trial-count-does-to-measured-performance-bdca43b3.html https://nyc3.digitaloceanspaces.com/vuga/articles/folder-import/b1/b1b21c8ccd789e2f8eeff81906f8bda5f142ffcbbd6a68b989624e1bf8b22f53.webp Every backtest is one of many: what the trial count does to measured performance https://uzunews.com/markets/what-is-probability-of-backtest-overfitting-and-how-is-it-actually-measured.html https://nyc3.digitaloceanspaces.com/vuga/articles/folder-import/8d/8d14cb36f2460a138e942aa40042b1c3f59333a2decdeda0fc4ad377bc5fdf73.webp What is 'probability of backtest overfitting,' and how is it actually measured? https://uzunews.com/economy/the-backtest-trap-why-a-great-historical-track-record-doesn-t-prove-a-forecasting-model-works-e62c198f.html https://nyc3.digitaloceanspaces.com/vuga/articles/folder-import/22/223c8722a93da50f93082e308b347cc4776b1eacfb31a7cebf8a82b3b30d6946.webp The Backtest Trap: Why a Great Historical Track Record Doesn't Prove a Forecasting Model Works https://uzunews.com/finance-news/fomc-july-2026-nine-three-vote.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/8b174c5ca177f503059b964c03763fc37b768108447eb90a4ee777db050ce633/1200w.webp July FOMC holds again — this time with three members voting to raise https://uzunews.com/finance-news/ai-washing-is-not-model-failure-what-sec-s-enforcement-actually-measured.html https://nyc3.digitaloceanspaces.com/vuga/articles/folder-import/fb/fbc729081962d90059ba6c09613521f9f8ee21b60fcfda6d59e1f1afec389409.webp AI-washing is not a model failure: what the SEC's enforcement actually measured https://uzunews.com/analysis/stress-test-methodology-change-2026.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/f4ffb66460e1e2f519ebb4ddbcb93cf8b84cd338001bc24248e56c464d6163fa/1200w.webp The Fed's stress tests changed shape: what averaging does to comparability https://uzunews.com/economy/bea-gdp-advance-estimate-2026-q2.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/487905a33df5b9dd4c174dbdbb7863dfa400a46d16d3a22091f8037e87aa77b8/1200w.webp BEA's first read on Q2 2026: real GDP grew 1.5 percent https://uzunews.com/investing/fund-turnover-ratio-read.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/f0c88d2509a166af0f1b2c8873fdf28ebbf2ed4f63bfdb8cb280f415874789b7/1200w.webp What a fund's turnover ratio tells you, and what it doesn't https://uzunews.com/markets/bid-ask-spread-anatomy.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/c545a28fd800e57b80958aeec5cb6952da30d5353afda12f97059f6a81246c02/1200w.webp Anatomy of a bid-ask spread: where the pennies go https://uzunews.com/finance-news/june-2026-cpi-report.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/622a0359a978a4c5e0ea2e7efe8c615c4e25a16ad1eeab4e814d84bb0d5af39a/1200w.webp CPI cools to 3.5 percent in June, from 4.2 in May https://uzunews.com/analysis/alternative-data-vendor-evaluation.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/1c12f125cdf2ec1339fbb7823a04181e0958b1dc8eecdb9717f8952af131a5f7/1200w.webp How to evaluate an alternative data vendor: a working checklist https://uzunews.com/economy/dollar-index-composition.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/608c37912b69c41c3150f6d04ef667cbdaa305acf03bbcda59d2a0df415d9376/1200w.webp What is actually inside the dollar index? https://uzunews.com/investing/robo-advisor-rebalancing-claims.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/3f2ac49082c49b82bc318899f3c9e3d0bbc61538ba139172ed6ad46f566e6ffe/1200w.webp What should robo-advisor rebalancing claims come with? https://uzunews.com/markets/what-volume-measures.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/bcda663b91068103f7b24986523f30dc688e98db899a38a05605352e53aad015/1200w.webp What does trading volume measure, and what doesn't it tell you? https://uzunews.com/finance-news/fed-stress-test-2026-results-708-billion.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/67a9bb198010229d8a06f349d7a40bbb44b3658fe05fe12584068de7f4810cb0/1200w.webp Stress test 2026: 32 banks absorb $708 billion in projected losses https://uzunews.com/analysis/regime-model-limitations.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/abcbf872f50b8970cd81ae048debfe13c4f8e10070148617780f1e2de7555118/1200w.webp What regime-detection models can and cannot do https://uzunews.com/economy/consumer-confidence-surveys.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/601d9406b59d28724856a53369537f3af50b66b7b0c2f6eea022afaa5545eaa0/1200w.webp What do consumer confidence surveys actually measure? https://uzunews.com/investing/sequence-of-returns-risk.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/65c160ebf46b9c9032b0c574bdbc9b9920b3bd489bcd4394722ed44a4b08d3a6/1200w.webp What is sequence-of-returns risk, measured properly? https://uzunews.com/markets/after-hours-trading-costs.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/ae963bf81b605b37c93c177da68004892c76c432b46c9fe55810c2d3ce3a3faa/1200w.webp What does after-hours trading actually cost? https://uzunews.com/finance-news/sec-strategic-plan-digital-assets-2026.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/cc8a843c243a4e253f8c7d37eaffe82b96d7fa94647106a6dcb11efe06badb9f/1200w.webp SEC draft strategic plan elevates digital assets to a stated priority https://uzunews.com/analysis/feature-importance-not-causation.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/605e4c2f08d36d092f3d729e1a7fc52d5632ac6126c0a4494f2c727c6ae62838/1200w.webp Feature importance is not causation: the mixer problem https://uzunews.com/economy/seasonal-adjustment-revisions.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/fa77c951c346dea564de1597630a9a967e4d83a0a9bb9fb5af7956ce60eedafe/1200w.webp Why economic data keeps getting revised after release https://uzunews.com/investing/dividend-yield-total-return.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/ca803da4be20eb18a1bc7a2b92256c34757f8dc288f3530e33078d95b0f6e11f/1200w.webp Dividend yield or total return: which number answers your question? https://uzunews.com/markets/index-reconstitution-effects.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/80cd2461d07b187691b034406a40475566654f64d2bbba1034f727cc491073f3/1200w.webp What actually happens to a stock when its index adds it? https://uzunews.com/finance-news/fomc-april-2026-four-dissents.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/0a0a0264599ab8177cb04344140433af85e09b62a53a01ab56b16e9945032a0d/1200w.webp April FOMC: four dissents, and the fight is over one word https://uzunews.com/analysis/probability-forecast-calibration.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/00b248491dba07466cabdcd9bf896618535a0299776eada392f24fab0fc41041/1200w.webp What does it mean for a probability forecast to be calibrated? https://uzunews.com/economy/how-fed-probabilities-are-priced.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/6d67974a9fe6f5fc90c97f15e31477084b2df98a407eb40e75a0fda86aff1354/1200w.webp How are Fed rate probabilities priced and read? https://uzunews.com/investing/international-diversification-numbers.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/2ba7e062550b841895eee1ee3fe7b40302ecff7cbed3acb644858e9157a606a5/1200w.webp How much international diversification do you actually get? https://uzunews.com/markets/what-gamma-exposure-measures.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/108d69262ca8842187cdb524f102e5a052dfbb0726b330896aaf3677d90eb400/1200w.webp What does dealer gamma exposure measure, and what doesn't it? https://uzunews.com/finance-news/fomc-march-2026-dissent-analysis.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/c74eeeb2a18a57ada4c01a08615b87f4d98fa368838bf24b027b36d2f8ce309c/1200w.webp March FOMC: a hold, one dissent, and a new sentence about the Middle East https://uzunews.com/analysis/transaction-cost-modeling.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/9d66c6c2a8feaf58d4712de1065bfd9f9735a9c46bab5889efc6ef294ad58f35/1200w.webp What transaction costs do to a backtest's promised returns https://uzunews.com/economy/pmi-diffusion-index-mechanics.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/763353362e59647a9173c0342f80d3b3a895d5eab034b5ddd17a17774a060336/1200w.webp What does a PMI diffusion index actually measure? https://uzunews.com/investing/rebalancing-bands-vs-calendar.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/bd995591e631eb42c2196264a18e6906870f76ffdee4da10eface92cb2b3c806/1200w.webp Band-based or calendar rebalancing: what the comparisons show https://uzunews.com/markets/rolling-correlation-window-trap.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/84f94c91fd69adde6ae6aadc8b2f8c9fd9677459d732a37b93282623f9cd9d02/1200w.webp Your rolling correlation depends on the window you chose https://uzunews.com/finance-news/sec-cftc-joint-token-taxonomy-2026.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/0e9e658cf383c8d45812f9849c082cbcf47580c64f2c27828f7e72ddcacc829c/1200w.webp SEC and CFTC issue joint token taxonomy: five categories, one framework https://uzunews.com/analysis/survivorship-bias-fund-data.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/41a0b4bd28c0f3fe5321b16c6a3b23819b808986e636c9cf26416b78801a169e/1200w.webp Survivorship bias in fund data: how big, and how to check https://uzunews.com/economy/unemployment-rate-vs-payrolls.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/2021b7677e2f482267ce787fc300abbddee4e3465cd1cf20fe3b76ccf9e7cd19/1200w.webp Why the unemployment rate and payrolls can tell opposite stories https://uzunews.com/investing/tracking-difference-index-funds.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/58a11cdb6fb6c931d38f7e36177114246f004cece8b9cefc042332590db19d55/1200w.webp Why doesn't your index fund match its index? https://uzunews.com/markets/vix-futures-term-structure.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/396dfd0bdb9040a3caac4edaf8ff9b86823606d52c1327f770f6af04bdf34d33/1200w.webp What does the VIX futures curve actually show? https://uzunews.com/finance-news/shutdown-jobs-report-data-gaps-2026.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/c605f2e20084fcd9787ee2499c9ebe079aca47b3e8002dd3a6bdfcf1fc6406f0/1200w.webp Five days late, half a million jobs lighter: the January employment report lands https://uzunews.com/analysis/lookahead-bias-detection.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/8b8806e81346509378f79ff0f16a6d024807aa5153300d67c158265e62aff646/1200w.webp How do you detect lookahead bias in someone else's backtest? https://uzunews.com/economy/yield-curve-inversion-signals.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/e486004aa5d4764cfb6138aa8cee180bf5d6811eaf16af9c8bd9633f591d35b2/1200w.webp What does a yield curve inversion actually signal? https://uzunews.com/investing/wash-sale-rule-mechanics.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/ef7fbf6c4f2add5b8116f79301d665c3530098abbf13697d2dc47eb23d755aef/1200w.webp How does the wash-sale rule actually work? https://uzunews.com/markets/stock-circuit-breakers-explained.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/664513424267d1d5633858622f815d014d73cff6baf2b27b99c3cf9dbc602544/1200w.webp When do stock circuit breakers actually halt trading? https://uzunews.com/finance-news/fomc-january-2026-decision-analysis.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/81b572c765512dbfefa793e2e2f18c4385707ec82ea3e6ec9f5a36b3968fc48d/1200w.webp FOMC holds at 3.50 to 3.75 percent as first dissents of 2026 arrive https://uzunews.com/analysis/time-series-cross-validation-mistakes.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/a2bd6247f3da53ab4c9d4d4b6689f76fe3321874ed02d17c46d45d1762effc74/1200w.webp Why random cross-validation breaks on financial time series https://uzunews.com/economy/how-cpi-is-measured.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/1919fa694ad033bc2d21204dab7fe2c83e297a40ee60c6d3f4bb7257c435c9d8/1200w.webp How is the CPI actually measured? https://uzunews.com/investing/expense-ratio-compounding.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/b83a818d4b8ef03216ea1f3010ec97d2c7d2cb4a40e47f0b614fcf5b9569bf71/1200w.webp How does an expense ratio compound against a portfolio? https://uzunews.com/markets/how-market-liquidity-is-measured.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/accf582c205ae1263bd306e603a35aa1da825b3c2344fdf9b21e954c9e68b857/1200w.webp How is market liquidity actually measured? https://uzunews.com/finance-news/december-2025-jobs-report-takeaway.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/81de3cda76b312e8c7ce0ddc0e4bbc9a979ce096edb7b7fff673f22530630182/1200w.webp December 2025 payrolls: a soft close to a soft year https://uzunews.com/analysis/walk-forward-validation.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/126d8d02e2e69adb4a167a8d22c2acaf7bb046fc2837b44719026dbe28019f7d/1200w.webp Walk-forward validation: what it fixes, what it doesn't https://uzunews.com/economy/gdp-nowcasting-models.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/29f3dd51481831482a59cf7934feab96fcc5d014f07042f10692e2214eb2fce8/1200w.webp How do GDP nowcasting models work? https://uzunews.com/investing/factor-investing-what-it-measures.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/164fbbbba2b09018c0e359f625b4ca08f7b5d0672169227a2d5115997b934dc5/1200w.webp What does factor investing actually measure? https://uzunews.com/markets/implied-vs-realized-volatility.html https://nyc3.digitaloceanspaces.com/vuga/articles/heroes/9e5cc04224bd955422f49746ea48026777e40a79b1a531148e24b22995d2b1ea/1200w.webp Implied volatility is a price, realized volatility is a measurement