AMZN - Amazon.com, Inc. Best Day for Buy/Sell

Best Days to Buy/Sell

265.13 -2.15 (-0.80%) 08/13/2026

Amazon.com, Inc. (AMZN)

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Best day to Buy
Tuesday weakest day · avg -0.75% · 23% Up

Best day to Sell
Friday strongest day · avg 0.80% · 27% Up

Best Hold (Buy → Sell)
Wednesday → Monday avg 1.32%

⚠ One or both day effects are not statistically significant at 90% on this sample — treat the verdict as indicative, not a tradable edge.

Total Trading Days : 64

Day	Up	Down	% Up	Returns High (%)	Returns Low (%)	Returns Avg (%)	Signif. (t)
Monday	8	4	66.7%	4.58	-4.75	0.52	n.s. t=0.68
Tuesday	3	10	23.1%	0.75	-2.32	-0.75	99% t=-2.59
Wednesday	5	8	38.5%	3.02	-3.46	-0.52	n.s. t=-0.88
Thursday	8	6	57.1%	3.90	-4.57	0.14	n.s. t=0.23
Friday	3	8	27.3%	15.32	-3.06	0.80	n.s. t=0.53

Signif. (t) = one-sample t-test of the weekday's mean daily return vs 0. |t| ≥ 1.96 → 95%, ≥ 2.58 → 99%; n.s. = not statistically distinguishable from zero on this sample.

Entry → Exit Hold Matrix

Average % return from buying at the close of the row day to selling at the close of the next column day. Green = gain, red = loss. Diagonal = one-week hold (same weekday to same weekday).

Buy \ Sell	Mon	Tue	Wed	Thu	Fri
Mon	0.72	-0.78	-1.54	-1.37	-0.36
Tue	1.13	0.61	-0.52	-0.30	0.43
Wed	1.32	0.68	0.14	0.14	0.63
Thu	1.07	0.43	-0.10	0.12	0.39
Fri	0.77	-0.07	-0.61	-0.19	0.60

Hover a cell for its sample size. Holds spanning more than ~2 weeks (around holidays) are excluded.