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Downtrend Broken Resist.Archive
- 12/5/2025 -
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Costco Co. (COST) Technical Analysis
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| Summary:
| | Weekly : | | Daily : 
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| | It was the negative week for the Costco Co. (COST). During the week, the COST dropped -18.91 points, or -2.07%, and closed at 894.68 on Friday, December 5, 2025. Weekly volume was 11% 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 871.70 on April 7, 2025. COST lost 206.30 points, or 19.14%, in 7 weeks. The price is now at the 11.14% 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 873.97 on November 19, 2025. COST lost 193.11 points, or 18.10%, in 24 weeks. The chart has formed a Falling Wedge chart pattern. The trend support level is at 868.37 and resistance is at 916.93. A Falling Wedge is a triangle formation with a noticeable slant to the downside. It represents the loss of a downside momentum on each successive low and has a bullish bias. The Falling wedge usually marks a reversal in a downtrend. In an uptrend a falling wedge is considered to be a continuation pattern. Use the following link to access a Falling Wedge chart pattern help, or use a Technical Stock Screener to see the list of stocks with Falling Wedge pattern 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 August 20, 2025 at 999.30 and reached 873.97 on November 19, 2025. COST lost 125.33 points, or 12.54%, in 91 days. The price is now at the 16.52% retracement level.
 Daily Technical Indicators: [See COST daily technical indicators chart]
Daily technical indicators are neutral.
The daily MACD line is above its signal line since November 26, 2025. The distance between MACD and the signal line is low, but getting bigger.
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 declined below the moving average in the center of the Bollinger Bands. 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.
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