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Archive
- 12/26/2025 -
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Costco Co. (COST) Technical Analysis
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| Summary:
| | Weekly :  | | Daily :
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| | It was a first positive week after 3 consecutive negative weeks for the Costco Co. (COST). During the week, the COST gained 17.73 points, or 2.07%, and closed at 873.35 on Friday, December 26, 2025. It was the best weekly gain since September 5, 2025. Weekly volume was -19% below 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 price is now at the 12.52% retracement level.
 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. The chart has formed a Falling Wedge chart pattern. The price is near the trend support (870.46) line. The support is usually stronger when technical indicators are oversold. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with price testing the trend support line in a medium-term trend.
 Weekly Technical Indicators: [See COST weekly technical indicators chart]
Weekly Williams' Percentage Range is oversold. Use the Technical Stock Screener to see the list of stocks with weekly oversold 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 below its signal line since June 13, 2025. This is an indication that the medium-term trend is down. 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 October 15, 2025 at 964.00 and reached 844.06 on December 16, 2025. COST lost 119.94 points, or 12.44%, in 62 days. Price is near the Fibonacci 23.6% retracement level. The Fibonacci retracement level is considered a support/resistance level.
 Daily Technical Indicators: [See COST daily technical indicators chart]
Daily technical indicators are neutral.
During the last week, daily MACD line has moved above its signal line. Such crossover is considered a bullish signal.
During the last week, the price has risen above the Parabolic SAR (stop and reversal). A Parabolic SAR below the price is a bullish signal, and it indicates that momentum is likely to remain in the upward 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.
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