{"url":"https://etfiq.com/funds/gfsg/tracking/","section":"funds","title":"GFSG Tracking Error: Up vs Down Days | ETFIQ","description":"Over the 90 days to Nov 4, 2026, GFSG missed two times GFS's daily return by 30.6 basis points a day on average, on its closing price.","as_of":"Nov 4, 2026","structured_data":[{"@type":"ItemList","name":"GFSG daily tracking","numberOfItems":4,"itemListOrder":"https://schema.org/ItemListUnordered","itemListElement":[{"@type":"ListItem","position":1,"name":"30 days to Nov 4, 2026: 19 of 22 days, from Oct 7, 2026"},{"@type":"ListItem","position":2,"name":"30 days to Nov 4, 2026, 22 daily returns"},{"@type":"ListItem","position":3,"name":"90 days to Nov 4, 2026: 21 of 63 days, from Sep 10, 2026"},{"@type":"ListItem","position":4,"name":"90 days to Nov 4, 2026, 63 daily returns"}]},{"@type":"Dataset","name":"GFSG daily tracking","description":"Over the 90 days to Nov 4, 2026, GFSG missed two times GFS's daily return by 30.6 basis points a day on average, on its closing price.","url":"https://etfiq.com/funds/gfsg/tracking/","dateModified":"2026-11-04","creator":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"creditText":"ETFIQ (etfiq.com)","publisher":{"@id":"https://etfiq.com/#org"},"inLanguage":"en","creativeWorkStatus":"Published","distribution":[{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/leverage.json"}],"variableMeasured":["Stated multiple","Underlying return","What the stated multiple implies","Fund total return","Difference against the label","Volatility of the underlying","Expense ratio"],"keywords":["exchange-traded funds","ETF","Leveraged ETFs","fund data","SEC filings"]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"GFSG","item":"https://etfiq.com/funds/gfsg"},{"@type":"ListItem","position":3,"name":"Tracking","item":"https://etfiq.com/funds/gfsg/tracking/"}]},{"@type":"WebPage","name":"GFSG Tracking Error: Up vs Down Days","description":"Over the 90 days to Nov 4, 2026, GFSG missed two times GFS's daily return by 30.6 basis points a day on average, on its closing price.","url":"https://etfiq.com/funds/gfsg/tracking/","dateModified":"2026-11-04","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".lede"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":3984,"truncated":false,"content":"ETFIQ / GFSG / Tracking \n \n As of Nov 4, 2026 . Rebuilt every trading night.\n GFSG daily tracking\n Over the 90 days to Nov 4, 2026, GFSG missed two times GFS's daily return by 30.6 basis points a day on average, on its closing price.\n GFSG daily tracking, listed by window, as of Nov 4, 2026. Each row names its window, its last day and its count of daily returns. Source: ETFIQ. Window Read on Average daily miss, bp Signed average, bp Tracking error Up days, bp Down days, bp Up less down, bp Confidence \n 30 days to Nov 4, 2026: 19 of 22 days, from Oct 7, 2026 NAV (stated) 11.8 \u22124.6 2.11% \u221210.4 (9 days) +0.7 (10 days) \u221211.1 Not enough days \n 30 days to Nov 4, 2026, 22 daily returns closing price 23.4 \u22127.2 4.59% \u221210.9 (10 days) \u22124.0 (12 days) \u22127.0 Not significant (t \u22120.6) \n 90 days to Nov 4, 2026: 21 of 63 days, from Sep 10, 2026 NAV 11.3 \u22123.6 2.08% \u22127.5 (11 days) +0.7 (10 days) \u22128.1 Not significant (t \u22121.5) \n 90 days to Nov 4, 2026, 63 daily returns closing price (stated) 30.6 \u22126.7 6.77% \u221213.5 (32 days) +0.3 (31 days) \u221213.8 Not significant (t \u22121.3) \n \n GFSG's largest daily misses\n The 5 days GFSG strayed furthest from its daily target in the 90 days to Nov 4, 2026, each on its NAV where ETFIQ holds it, else its closing price.\n GFSG's largest daily misses, as of Nov 4, 2026. Source: ETFIQ. # Day Read on GFS moved Target GFSG returned Miss \n 1 Aug 10, 2026 closing price \u22127.19% \u221214.39% \u221212.62% +1.77 pts \n 2 Aug 11, 2026 closing price +1.54% +3.08% +1.77% \u22121.31 pts \n 3 Sep 29, 2026 closing price +0.17% +0.33% \u22120.37% \u22120.71 pts \n 4 Aug 7, 2026 closing price +7.09% +14.18% +13.47% \u22120.70 pts \n 5 Sep 30, 2026 closing price +0.13% +0.25% +0.95% +0.70 pts \n \n Method\n The daily miss is GFSG's return each day less two times GFS's return that day. A basis point is a hundredth of a percentage point. Each window is read twice where ETFIQ holds both NAVs: on NAVs, and on closing prices. It is stated on the closing price because NAVs for 21 of the 63 sessions. GFSG ranks 288 of 494 2x leveraged ETFs on its 90-day average daily miss. Up days and down days split the miss by whether GFS rose or fell; Significant means the gap is at least two standard errors from zero. The average miss carries its sign: a negative one is what the fund kept below its target each day, its fees and financing among it. 1 NAV day was held out, where the NAV and the closing price disagreed about the day: Nov 2, 2026. Not every fund here has traded for a year, and a number over eight months does not order against one over twelve. This page lists each fund with its window and dates instead of ranking them. It becomes a ranking on the night four of them share a full year. Every window ETFIQ can measure for GFSG is listed.\n Where to next\n GFSG fund page 2x leveraged ETFs ranked by daily tracking Leveraged ETF tracking by issuer How daily tracking is measured The tracking data file Sources\n The multiple each fund states in its own registered name, from the SEC investment company series and class file SEC EDGAR, full-text search of fund filings SEC Form N-PORT, what a fund filed it holds Rule 19a-1, what a distribution notice must say Links are sources, not endorsements.\n A ranking is not a recommendation or an opinion. ETFIQ is an independent publisher, not an adviser. Standards and sources \n Cite this page. ETFIQ, GFSG daily tracking, listed by window, data as of Nov 4, 2026. https://etfiq.com/funds/gfsg/tracking/ Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at Open data .\n Other forms Plain ETFIQ, GFSG daily tracking, listed by window, data as of Nov 4, 2026. https://etfiq.com/funds/gfsg/tracking/ APA ETFIQ. (Nov 4, 2026). GFSG daily tracking, listed by window. Retrieved from https://etfiq.com/funds/gfsg/tracking/ Markdown [GFSG daily tracking, listed by window (ETFIQ, Nov 4, 2026)](https://etfiq.com/funds/gfsg/tracking/)","source":"ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.","publisher":{"@id":"https://etfiq.com/#org","name":"ETFIQ","url":"https://etfiq.com"},"license":"https://etfiq.com/license/","license_text":"Data ETFIQ computes is free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.","citation":"ETFIQ, GFSG daily tracking, listed by window, data as of Nov 4, 2026. https://etfiq.com/funds/gfsg/tracking/"}