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Downtrend Broken Resist.Archive
- 10/17/2025 -
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Costco Co. (COST) Technical Analysis
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| Summary:
| | Weekly : | | Daily :
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| | It was a second positive week after 3 consecutive negative weeks for the Costco Co. (COST). During the week, the COST climbed 6.32 points, or 0.68%, and closed at 936.33 on Friday, October 17, 2025. Weekly volume was 6% above average.
COST is a member of Consumer Staples Sector. Consumer Staples is the second most oversold 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 871.70 on April 7, 2025. COST lost 206.30 points, or 19.14%, in 7 weeks. The price is now at the 31.33% 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 903.29 on September 29, 2025. COST lost 163.79 points, or 15.35%, in 16 weeks. The chart has formed a Falling Wedge chart pattern. The trend support level is at 895.88 and resistance is at 947.84. 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 uptrend had started on September 29, 2025 at 903.29 and reached 964.00 on October 15, 2025. COST gained -60.71 points, or -6.72%, in 16 days. The price is now at the 45.58% 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 October 8, 2025. This is an indication that the short-term trend is up.
During the last week, the price has moved above 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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