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Archive
- 2/27/2026 -
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Costco Co. (COST) Technical Analysis
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| Summary:
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| | It was a first positive week for the Costco Co. (COST). During the week, the COST gained 25.52 points, or 2.59%, and closed at 1010.79 on Friday, February 27, 2026. Weekly volume was -13% below average.
COST is a member of Consumer Staples Sector. Consumer Staples is the most overbought sector. Sector/industry rotation is considered a proven strategy to beat the market. Use the following links to find overbought/oversold technical indicators by Sector or by Industry.
 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 836.81 and resistance is at 1038.24. 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 uptrend had started on December 16, 2025 at 844.06 and reached 1028.44 on February 17, 2026. COST gained -184.38 points, or -21.84%, in 9 weeks. The chart has formed a Rising Channel chart pattern. The trend support level is at 976.21 and resistance is at 1052.62. Use the following link to access a Rising Channel chart pattern help, or use a Technical Stock Screener to see the list of stocks with Rising Channel pattern in a medium-term trend.
 Weekly Technical Indicators: [See COST weekly technical indicators chart]
Weekly Lane's Stochastic is overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Lane's Stochastic. 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 Lane's Stochastic help.
The weekly MACD line is above its signal line since January 9, 2026. This is an indication that the medium-term trend is up. The distance between MACD and the signal line is near its high, but getting smaller. It indicates that the current medium-term uptrend is still strong, and momentum is beginning to wane. Use the following link to access a MACD help.
 Short-term trend: [See COST short-term trend chart]
A short-term downtrend had started on February 17, 2026 at 1028.44 and reached 977.81 on February 20, 2026. COST lost 50.63 points, or 4.92%, in 3 days. The price is now at the 65.14% retracement level.
 Daily Technical Indicators: [See COST daily technical indicators chart]
Daily technical indicators are neutral.
The daily MACD line is below its signal line since February 18, 2026. This is an indication that the short-term trend is down. The distance between MACD and the signal line is low and getting smaller. It indicates that the current short-term downtrend is getting weak.
During the last week, the price has fallen below the Parabolic SAR (stop and reversal). A Parabolic SAR above the price is a bearish signal, and it indicates that momentum is likely to remain in the downward direction. A Parabolic SAR is used as a trailing stop loss for long or short positions. It works best during strong trending periods. Use the following links to access Parabolic SAR Help, or use the Technical Stock Screener to see the list of stocks with the Parabolic SAR close to the price level.
During the last week, the price has crossed below the 50 Day Moving Average. Such crossover is considered a bearish 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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