• UnderpantsWeevil@lemmy.world
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    11 months ago

    Your 401k is bled a fraction of a percent every day by hfts

    Every month, maybe. These big portfolio funds aren’t rebalancing at that frequency or scale. They’re relatively static and conservatively positioned.

    • Blue_Morpho@lemmy.world
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      11 months ago

      They rebalance continuously. If they waited until the end of the month it would be billions that would be impossible to rebalance without distorting the trades they’re trying to execute.

      Even if they waited it wouldn’t matter .001% of $1 billion a month is the same as .001% of $333m daily.

      • UnderpantsWeevil@lemmy.world
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        11 months ago

        They rebalance continuously.

        On the margins. You’re not seeing the whole portfolio turn over day by day.

        Even if they waited it wouldn’t matter .001% of $1 billion a month is the same as .001% of $333m daily.

        Which 401k is flipping $333M of balance sheet every day?

        Also, how many days do you think are in a month?

        • Blue_Morpho@lemmy.world
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          11 months ago

          Sorry I dropped a decimal. 33.3*30

          Your 401k isn’t $33 million a day. It’s the funds behind it that are trading daily.

          .001% of $33M from the Vanguard Index means you lose .001% of the $50k in your 401k which holds Vanguard.

          • UnderpantsWeevil@lemmy.world
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            11 months ago

            It’s the funds behind it that are trading daily.

            $33M/day is an enormous churn, even for a big pension fund. Again, I’d like to see where you’re finding these numbers. The NYSE trades $18.9B/day across a pool of $52T in asset value. By proportion, you’re talking about a fund with a $90B market cap showing that kind of activity.