Impact of Missing the Best and Worst Days

Growth of $100 in the S&P 500 under four scenarios: all days, missing the 10 worst days, missing the 10 best days, and missing both.

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Full calendar-year return comparison for the past 20 years under four scenarios.

Impact of Missing the Best and Worst Days
Year	Trading Days	All Return	No Worst Return	No Best Return	No Both Return
2,025	250	0.18	0.61	-0.12	0.21
2,024	252	0.25	0.53	0.05	0.29
2,023	250	0.26	0.49	0.05	0.24
2,022	251	-0.18	0.17	-0.4	-0.14
2,021	252	0.29	0.57	0.08	0.32
2,020	253	0.18	1.22	-0.31	0.29
2,019	252	0.31	0.63	0.1	0.37
2,018	251	-0.05	0.28	-0.24	0.02
2,017	251	0.22	0.35	0.1	0.22
2,016	252	0.12	0.39	-0.08	0.15
2,015	252	0.01	0.29	-0.18	0.05
2,014	252	0.13	0.37	-0.03	0.17
2,013	252	0.32	0.57	0.13	0.33
2,012	250	0.16	0.39	-0.04	0.15
2,011	252	0.02	0.5	-0.28	0.07
2,010	252	0.15	0.55	-0.13	0.17
2,009	252	0.26	0.91	-0.16	0.27
2,008	253	-0.37	0.29	-0.67	-0.33
2,007	251	0.05	0.38	-0.15	0.11
2,006	251	0.16	0.34	-0.01	0.15

Source: Akyla · akyla.ai

Growth of $100 in the S&P 500 under four scenarios: all days, missing the 10 worst days, missing the 10 best days, and missing both.

Loading…

Full calendar-year return comparison for the past 20 years under four scenarios.

Impact of Missing the Best and Worst Days
Year	Trading Days	All Return	No Worst Return	No Best Return	No Both Return
2,025	250	0.18	0.61	-0.12	0.21
2,024	252	0.25	0.53	0.05	0.29
2,023	250	0.26	0.49	0.05	0.24
2,022	251	-0.18	0.17	-0.4	-0.14
2,021	252	0.29	0.57	0.08	0.32
2,020	253	0.18	1.22	-0.31	0.29
2,019	252	0.31	0.63	0.1	0.37
2,018	251	-0.05	0.28	-0.24	0.02
2,017	251	0.22	0.35	0.1	0.22
2,016	252	0.12	0.39	-0.08	0.15
2,015	252	0.01	0.29	-0.18	0.05
2,014	252	0.13	0.37	-0.03	0.17
2,013	252	0.32	0.57	0.13	0.33
2,012	250	0.16	0.39	-0.04	0.15
2,011	252	0.02	0.5	-0.28	0.07
2,010	252	0.15	0.55	-0.13	0.17
2,009	252	0.26	0.91	-0.16	0.27
2,008	253	-0.37	0.29	-0.67	-0.33
2,007	251	0.05	0.38	-0.15	0.11
2,006	251	0.16	0.34	-0.01	0.15

Source: Akyla · akyla.ai