Mutual fund prices don’t update until 6pm

So you didn’t wait long enough to check

Mutual fund prices update once a day, after hours. This typically happens sometime before 6pm eastern time but that's not a hard and fast rule.

That's because the fund hasn't priced today. Mutual funds only get a price update once daily, a few hours after market close.

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> How come their yearly performance is not identical, though?

They are identical.

• https://www.portfoliovisualizer.com/backtest-portfolio?s=y&timePeriod=4&startYear=1985&firstMonth=1&endYear=2023&lastMonth=12&calendarAligned=true&includeYTD=false&initialAmount=10000&annualOperation=0&annualAdjustment=0&inflationAdjusted=true&annualPercentage=0.0&frequency=4&rebalanceType=1&absoluteDeviation=5.0&relativeDeviation=25.0&leverageType=0&leverageRatio=0.0&debtAmount=0&debtInterest=0.0&maintenanceMargin=25.0&leveragedBenchmark=false&reinvestDividends=true&showYield=false&showFactors=false&factorModel=3&portfolioNames=false&portfolioName1=Portfolio+1&portfolioName2=Portfolio+2&portfolioName3=Portfolio+3&symbol1=VOO&allocation1_1=100&symbol2=VFFSX&allocation2_2=100

Today's VFFSX price change hasn't been updated, so anywhere you're looking at VFFSX's price change, over any period of time that you might think should include today, it does not reflect what happened today.

What happens when you add (not exactly how it works but close enough) today's +1.42% to the 1yr -11.05%?

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Nah. Now you’re fine. We’re here to keep you honest