The question every investor faces. With a framework that survives the emotion.
Market declines feel different from what the data says about them. The right response is almost always the opposite of the instinctive one.
The Situation
Every market decline feels uniquely threatening in real time. The news is alarming, the cause feels novel, and the uncertainty seems unprecedented. This feeling is the consistent experience across every previous decline — which is precisely why having a pre-made response plan is more valuable than reacting to the specific circumstances.
Every decline has felt like this time is different . Every recovery has felt like of course it recovered.
— Worthune Decision Framework
Your Response Framework · Steps 1 & 2
Decide in advance: at a 10% drop, you will do nothing. At 20%, you will do nothing. At 30%, you will consider rebalancing if allocation has drifted significantly. At 40%+, you will rebalance. Write this down. Refer to it during the next decline.
Write it down nowThe primary driver of forced selling during declines is needing money that is invested. Ensure your emergency fund, near-term expenses, and any money needed within 3 years is in cash or cash equivalents — not in the market.
Separate what you might needDuring a Decline · Steps 3 & 4
Pausing DCA contributions during a decline is the most common and most costly behavioral error. Your fixed contribution buys more shares during the decline — which is the mathematical mechanism of DCA working in your favor.
Continue contributions alwaysA 30–40% stock market decline may move a 70/30 portfolio to 60/40. Rebalancing back to 70/30 during the decline means buying stocks after they've fallen — using the systematic process you established in advance.
Rebalance if drift is significantAfter a Decline · Steps 5 & 6
The recovery rarely announces itself. Markets often begin their strongest recovery periods during the phase when conditions still appear most uncertain. Waiting for confirmation means missing a disproportionate share of the rebound.
Recoveries don't announce themselvesIf you made behavioral changes during the decline, use that evidence to adjust your allocation to one you can actually hold through the next one. The decline revealed your true risk willingness — update your portfolio accordingly.
Update your risk assessmentAfter the Work
After reviewing your response framework:
You have the structure to hold through the next decline. The written plan is your most valuable asset during volatility.
Write down your specific response thresholds. The document is more valuable than any portfolio adjustment.
Address the emergency fund separation first — it removes the most common forced-selling scenario.
The response you plan during calm markets is always better than the one you make during the decline.
Next Step
Use Worthune's market scenario tool to model what previous declines would have meant for your portfolio — and build your written response plan.
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