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Hypermarkets & Super Centers Industry Stocks Technical Analysis - COSTArchive
- 1/23/2026 -
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Costco Co. (COST) Technical Analysis
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| Summary:
| | Weekly :  | | Daily :
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| | It was a third consecutive positive week for the Costco Co. (COST). During the week, the COST gained 19.64 points, or 2.04%, and closed at 983.25 on Friday, January 23, 2026. Weekly volume was 17% above average.
 Long-term trend: [See COST long-term trend chart]
A long-term downtrend had started on February 13, 2025 at 1078.00 and reached 844.06 on December 16, 2025. COST lost 233.94 points, or 21.70%, in 43 weeks. The chart has formed a Falling Channel chart pattern. The trend support level is at 840.50 and resistance is at 1041.93. A Falling Channel represents price movement contained between parallel lower (support) and upper (resistance) trend lines. Trading Channeling stocks is one of the most reliable and accurate trading techniques that provide traders with precise entry and exit points as well as stop-losses and take-profit recommendations. Use the following link to access a Falling Channel chart pattern help, or use a Technical Stock Screener to see the list of stocks with Falling Channel pattern in a long-term trend.
 Medium-term trend: [See COST medium-term trend chart]
A medium-term downtrend had started on June 3, 2025 at 1067.08 and reached 844.06 on December 16, 2025. COST lost 223.02 points, or 20.90%, in 28 weeks. Price is near the Fibonacci 61.8% retracement level. The Fibonacci retracement level is considered a support/resistance level.
 Weekly Technical Indicators: [See COST weekly technical indicators chart]
Weekly Williams' Percentage Range is overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Williams' Percentage Range. Oscillators are designed to signal a possible trend reversal. They can act as alerts and should be taken in conjunction with other technical analysis tools. Oscillators can be used to confirm other technical signals. Use the following link to access Williams' Percentage Range help.
The weekly MACD line is above its signal line since January 9, 2026. Use the following link to access a MACD help.
 Short-term trend: [See COST short-term trend chart]
A short-term uptrend had started on December 16, 2025 at 844.06 and reached 989.64 on January 21, 2026. COST gained -145.58 points, or -17.25%, in 36 days. The chart has formed a Rising Channel chart pattern.
 Daily Technical Indicators: [See COST daily technical indicators chart]
Daily Williams' Percentage Range is overbought while Relative Strength Index and Lane's Stochastic are strongly overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Williams' Percentage Range or strongly overbought daily Relative Strength Index and Lane's Stochastic. During the last week, daily Lane's Stochastic main line (%K) has declined below the overbought signal line (%D). Such crossover is considered a bearish signal. Use the following links to access Lane's Stochastic and Relative Strength Index help.
The daily MACD line is above its signal line since December 24, 2025. This is an indication that the short-term trend is up. The distance between MACD and the signal line is relatively high, but getting smaller. It indicates that the current short-term uptrend is still strong, and momentum is beginning to wane.
The distance between the Bollinger Bands is 101.33% higher then one year average. It indicates the period of high volatility of the stock price. The Bollinger Bands are often used with a non-oscillator indicator like chart patterns or a trendline. The signals are considered more reliable if these indicators confirm the recommendation of the Bollinger Bands. Use the following links to access the Bollinger Bands Help, or use the Technical Stock Screener to see the list of stocks with the price above the Upper Bollinger Band or below the Lower Bollinger Band.
During the last week, the 20 Day Moving Average has advanced above the 50 Day Moving Average. Such crossover is considered a bullish signal. The moving average crossover signals work better when the stock develops a strong trend, but they are ineffective when the stock is in a trading range. Moving average crossover systems can be effective, but should be used in conjunction with trend patterns, momentum indicators, candlesticks and other aspects of technical analysis. Use the following links to access Moving Average Crossover trading technique, or use the Technical Stock Screener to see the list of stocks with the Moving Average close to the price level.
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