Stats Best and worst days Missing the best days

Missing the 10 best days left $35,866 instead of $80,619

Fully invested: $80,619$80,619FullyinvestedMissed 10 best days: $35,866$35,866Missed 10best daysMissed 20 best days: $21,177$21,177Missed 20best daysMissed 30 best days: $13,826$13,826Missed 30best daysMissed 40 best days: $9,462$9,462Missed 40best daysMissed 50 best days: $6,763$6,763Missed 50best daysMissed 60 best days: $4,966$4,966Missed 60best days

Source: J.P. Morgan Asset Management, Guide to Retirement 2026, using Bloomberg data. Window 2 January 2006 to 31 December 2025.

Stock market returns are concentrated in a handful of sessions. $10,000 in the S&P 500 total return index from 2006 to 2025 grew to $80,619, or $35,866 without the ten best days. Six of those ten sat within two weeks of the ten worst.

$80,619Fully invested, 20 years
$35,866Missing the 10 best days
11.0%Annualised, fully invested
6.6%Annualised, missing ten

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