Costco (COST) Anomalies

Check historical price trends and seasonality for Costco (COST).

View:

Costco (COST) average YTD return over the past 10 years is +20.59%.

Over the past 10 years, the return for the specified period (Jul 2 for 60 days) is +8.35%.

5 wins 1 losses with a win rate of 83.33%.

AI Analysis (Past 10 Years YTD)

Costco (COST) Anomaly Analysis

1) Overview:

Costco exhibits a strong upward trend throughout the year, generally increasing in value from January to December. The most significant gains tend to occur towards the end of the year, particularly in December.

2) Buy-the-dip points:

Historically, January has shown some weakness, with a slight dip in the beginning of the month.

3) Summary:

Based on historical averages, Costco tends to perform very well in December, suggesting a potential opportunity for investors looking to capitalize on seasonal trends.

Disclaimer: This analysis is generated by AI (Gemini) based on historical statistical trends. It does not guarantee future performance. Investment decisions are your own responsibility.
YearStart DateStart PriceEnd DateEnd PriceReturnRate (%)
2025 2025-07-02 982.3600 2025-08-30 943.3200 -39.0400 -3.97
2024 2024-07-02 859.3600 2024-08-30 892.3800 33.0200 3.84
2021 2021-07-02 398.9400 2021-08-30 455.9300 56.9900 14.29
2020 2020-07-02 305.7400 2020-08-30 348.3700 42.6300 13.94
2019 2019-07-02 265.4700 2019-08-30 294.7600 29.2900 11.03
2018 2018-07-02 207.9900 2018-08-30 230.8300 22.8400 10.98
Avg 503.3100 527.5983 24.29 8.35
365 Days (Prev Close Change) Average (Past 10 Years) [Horz=Month / Vert=Day]
Negative Zero/Flat Positive ※ Change from prev day close. Excl Feb 29.
Mode:
Day \ Month Jan Total +1.58% Feb Total +0.52% Mar Total +2.10% Apr Total +1.61% May Total +1.05% Jun Total +2.06% Jul Total +3.84% Aug Total +2.57% Sep Total -1.04% Oct Total +0.76% Nov Total +6.23% Dec Total -2.12%
1 Avg -0.10% 0.00% -0.11% +0.03% +0.19% -0.36% +0.02% -0.02% +0.07% -0.09% -0.27% +0.12% -0.75%
2 Avg +0.27% -0.13% +0.67% +1.31% -0.31% +0.35% +0.81% +0.30% +0.07% +0.19% +0.23% +0.09% -0.29%
3 Avg -0.07% -0.21% -0.14% -0.99% -0.14% +0.37% -0.03% +0.16% +0.23% -0.39% -0.19% +0.61% -0.13%
4 Avg +0.20% +0.27% +0.05% +0.24% -0.29% +0.56% +0.60% 0.00% +0.11% +0.35% +0.20% +0.49% -0.14%
5 Avg -0.07% -0.24% -0.02% +0.08% +0.26% -0.58% -0.04% +0.28% -0.43% +0.17% -0.40% +0.44% -0.34%
6 Avg +0.18% +0.54% +0.19% -0.24% +0.60% +0.05% +0.15% +0.22% +0.66% +0.19% -0.78% +0.24% +0.35%
7 Avg +0.02% -0.53% -0.09% -0.84% -0.05% -0.20% +0.24% +0.47% +0.33% +0.25% -0.06% +0.66% +0.01%
8 Avg +0.06% +0.26% 0.00% -0.47% -0.01% -0.36% -0.02% +0.23% +0.46% -0.23% +0.41% +0.35% +0.14%
9 Avg +0.18% -0.01% +0.40% +0.15% +0.54% +0.47% -0.11% +0.53% -0.19% +0.33% +0.69% -0.56% -0.06%
10 Avg +0.06% -0.12% -0.06% -0.02% +0.23% +0.16% +0.08% -0.20% +0.24% -0.47% -0.26% +0.75% +0.44%
11 Avg -0.06% +0.35% -0.46% -0.47% -0.36% -0.30% -0.29% -0.19% -0.25% +0.11% +0.25% +0.34% +0.60%
12 Avg +0.16% +0.42% +0.52% -0.05% +0.11% -0.32% +0.02% +0.10% +0.35% +0.39% +0.13% +0.02% +0.26%
13 Avg +0.05% -0.33% +0.44% +0.39% +0.36% -0.34% -0.25% +0.19% +0.06% -0.49% +0.38% +0.31% -0.09%
14 Avg -0.01% -0.48% +0.26% +0.08% +0.42% +0.05% +0.51% +0.86% -0.17% -0.16% -0.11% +0.17% -1.50%
15 Avg +0.21% +0.01% +0.76% +0.50% +0.13% +0.35% +0.03% +0.16% +0.27% -0.11% +0.06% -0.07% +0.47%
16 Avg -0.08% -0.05% -0.06% -0.63% +0.55% +0.39% -0.91% -0.27% +0.51% -0.24% -0.07% +0.04% -0.24%
17 Avg +0.16% +0.60% +0.36% +1.24% +0.34% -0.26% +0.06% +0.07% -0.05% -0.27% +0.37% -0.20% -0.31%
18 Avg -0.17% -0.31% -0.26% -0.06% -0.07% -1.19% -0.10% -0.20% -0.10% -0.08% +0.46% +0.03% -0.09%
19 Avg +0.01% -0.25% +0.11% +0.11% +0.08% +0.03% -0.06% +0.25% +0.18% -0.02% -0.11% +0.01% -0.27%
20 Avg -0.08% +0.19% -0.43% -0.27% +0.09% -0.03% 0.00% +0.26% +0.27% -0.20% -0.06% -0.38% -0.45%
21 Avg +0.02% +0.45% -0.36% +0.16% -0.88% -0.11% +0.47% -0.01% +0.04% -0.17% +0.29% +0.49% -0.18%
22 Avg +0.02% +0.15% -0.10% -0.26% -0.03% -0.14% +0.08% +0.11% -0.13% +0.03% +0.13% +0.46% -0.11%
23 Avg -0.02% +0.06% -0.25% -0.15% +0.07% -0.12% +0.37% +0.13% -0.28% -0.29% -0.03% +0.17% +0.06%
24 Avg +0.08% +0.02% +0.15% +0.14% +0.43% +0.45% -0.01% -0.18% -0.65% +0.20% +0.22% -0.01% +0.17%
25 Avg +0.03% -0.40% +0.04% +0.03% -0.13% +0.39% +0.10% +0.08% -0.08% 0.00% +0.17% +0.15% 0.00%
26 Avg +0.17% +0.36% -0.33% +1.01% -0.14% +1.61% -0.13% -0.28% -0.14% -0.12% -0.58% +0.25% +0.54%
27 Avg -0.01% -0.09% -0.67% -0.40% +0.18% +0.26% -0.07% +0.06% +0.80% -0.28% -0.05% +0.18% -0.09%
28 Avg +0.08% +0.41% -0.08% +0.17% +0.04% -0.17% -0.15% +0.26% -0.09% +0.15% +0.05% +0.34% +0.02%
29 Avg +0.06% +0.04% - +0.80% -0.47% -0.47% +0.25% +0.11% +0.21% -0.18% -0.06% +0.36% +0.05%
30 Avg +0.21% +0.35% - +0.36% -0.11% +0.68% +0.43% -0.13% -0.05% +0.41% +0.27% +0.40% -0.26%
31 Avg +0.08% +0.26% - +0.13% - -0.18% - +0.46% +0.32% - -0.51% - +0.07%

Past 10 Years 1-Month [Jul 2 - Jul 31] Return Ranking

Rank Stock Avg Return (%) Wins Losses