A 3-minute read on why a fixed rebalancing date and a fixed rest day do the same quiet job, and a one-week way to see if yours are actually fixed.
A rebalancing date picked weeks in advance, the first Monday of the quarter, say, works because it moves the decision away from the moment when emotion is loudest. Almost nobody rebalances calmly in the middle of a selloff. The fixed date makes the call earlier, before the fear shows up to argue about it. A rest day picked in advance runs on the same logic: it gets decided on a Tuesday when nothing hurts, not negotiated on a Thursday when motivation is low or an old ache is making its case. Both are promises made by a calmer version of the person who has to keep them later.
The interesting part shows up over the following week. A rebalancing date and a rest day chosen this week, not whenever feels right, reveal something every time a market dip or a good streak tries to move them. Each attempt is information: it points at exactly the decision a calmer version of you was trying to protect the current version from.
P.S. Tomorrow: why waiting to see if a weird symptom goes away on its own is the same bet as holding a stock you already suspect you should sell, and the one signal that says it’s time to act on either.
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