Costco Wholesale Corp (COST) Daily/Weekly Backtest Results
*Transaction costs, taxes and dividends are excluded from these calculations. Past performance may not necessarily be a reliable guide to future performance.
Calculations for Costco
Expectancy is the percentage profit or loss you would expect to make on the next purchase of this stock with an entry point at the specified signal and profit target as set above. Given a large enough sample size, a positive expectancy indicates the trading strategy is likely to be profitable.
Expectancy calculation for 15 signal(s) occurring before 22 May 2024 for a 7.5% profit target: (100% * 8.06%) + (0% * 0%) - (0% * 0%) = 8.06%.
Wins: 15 Breakevens: 0 Losses: 0
To even out CAGR calculations, large individual returns from particularly quick trades have been capped at 300%.
The Sharpe Ratio calculation assumes a risk free return rate of 2% per calendar year. Ideally the ratio should be a positive number. A higher positive number indicates the strategy has a more attractive risk adjusted rate of return for this particular buy signal and stock over the chart's timeframe.
Costco Analysis
Market sector: Consumer Staples.
External links: Seeking Alpha Research, Zacks Research.
These links may show useful information about why a stock's price has fallen significantly.
50 day low Backtest Summary (Fixed Profits System)
This table summarises how profitable it would have been to have bought this stock at each 50 day low entry signal. Hover over the icons to see more details of the particular trade, including the maximum percentage drawdown and how long it took to reach the desired percentage profit.
Key:
= profit point not achieved.
= profit point achieved with CAGR above 15%.
= profit point achieved with CAGR of between 5% and 15%.
= profit point achieved but CAGR was less than 5%.
| Signal Date and Score | Buy Signal | Price | Performance (mouseover for details) | ||||
|---|---|---|---|---|---|---|---|
| 5% | 6% | 7.5% | 10% | 20% | |||
| 22 December 2025 MEDIUM smart_toy0.859 factory0.652 | 50 Day Low | $ 852.00 | |||||
| 18 November 2025 MEDIUM smart_toy0.562 factory0.724 | 50 Day Low | $ 903.84 | |||||
| 26 September 2025 MEDIUM smart_toy0.694 factory0.631 | 50 Day Low | $ 920.75 | |||||
| 11 July 2025 MEDIUM smart_toy0.816 factory0.531 | 50 Day Low | $ 971.81 | |||||
| 13 March 2025 MEDIUM smart_toy0.967 factory0.774 FIRE SALE | 50 Day Low | $ 906.31 | |||||
| 05 August 2024 MEDIUM smart_toy0.737 factory0.826 | 50 Day Low | $ 799.92 | |||||
| 24 May 2023 MEDIUM smart_toy0.897 factory0.783 | 50 Day Low | $ 471.82 | |||||
| 16 December 2022 MEDIUM smart_toy0.657 factory0.795 | 50 Day Low | $ 461.36 | |||||
| 23 September 2022 MEDIUM smart_toy0.93 factory0.839 FIRE SALE | 50 Day Low | $ 472.67 | |||||
| 09 May 2022 MEDIUM smart_toy0.945 factory0.74 FIRE SALE | 50 Day Low | $ 497.46 | |||||
| 18 January 2022 MEDIUM smart_toy0.505 factory0.533 | 50 Day Low | $ 491.27 | |||||
| 23 February 2021 MEDIUM smart_toy0.755 factory0.563 | 50 Day Low | $ 345.98 | |||||
| 15 January 2021 MEDIUM smart_toy0.787 factory0.563 | 50 Day Low | $ 361.61 | |||||
| 28 February 2020 MEDIUM smart_toy0.916 factory0.833 FIRE SALE | 50 Day Low | $ 282.54 | |||||
| 19 December 2019 MEDIUM smart_toy0.678 factory0.619 | 50 Day Low | $ 291.60 | |||||
| 14 December 2018 MEDIUM smart_toy0.906 factory0.896 FIRE SALE | 50 Day Low | $ 209.54 | |||||
| 26 October 2018 MEDIUM smart_toy0.92 factory0.907 | 50 Day Low | $ 216.64 | |||||
| 22 June 2017 MEDIUM smart_toy0.88 factory0.649 | 50 Day Low | $ 156.62 | |||||
| 01 November 2016 LOW smart_toy0.754 factory0.681 | 50 Day Low | $ 136.36 | |||||
| 08 September 2016 LOW smart_toy0.712 factory0.488 | 50 Day Low | $ 142.61 | |||||
| 05 May 2016 LOW smart_toy0.291 factory0.763 | 50 Day Low | $ 136.77 | |||||
The data for Costco Wholesale Corp (exchange: XNAS symbol: COST) was last updated 30 May 2026 15:00. Data for this stock is available from 01 Dec 2015 - 29 May 2026.