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COMMANDS Global: GP Symbol: IBM FA
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Best Days to Buy/Sell

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62.31 -2.33 (-3.60%) 09/04/2026
Cognizant Technology Solutions Corporation (CTSH)
Showing 3 months of Historical data. To view all data, Upgrade to PRO plan!
Best day to Buy
Monday weakest day · avg -0.51% · 38% Up
Best day to Sell
Friday strongest day · avg 0.92% · 73% Up
Best Hold (Buy → Sell)
Thursday → Wednesday avg 2.72%
⚠ 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 5 8 38.5% 3.73 -4.28 -0.51 n.s.
t=-0.72
Tuesday 7 6 53.8% 6.93 -2.55 0.80 n.s.
t=0.96
Wednesday 6 7 46.2% 11.24 -4.35 0.81 n.s.
t=0.67
Thursday 7 6 53.8% 3.19 -10.49 -0.39 n.s.
t=-0.35
Friday 8 3 72.7% 5.68 -3.60 0.92 n.s.
t=1.23
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 \ SellMonTueWedThuFri
Mon2.050.801.651.251.59
Tue0.971.960.810.420.75
Wed0.071.002.13-0.39-0.12
Thu0.631.552.722.390.23
Fri-0.080.501.751.581.98
Hover a cell for its sample size. Holds spanning more than ~2 weeks (around holidays) are excluded.

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