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Archive
- 7/17/2026 -
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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 for the Costco Co. (COST). During the week, the COST gained 24.62 points, or 2.69%, and closed at 940.87 on Friday, July 17, 2026. It was the best weekly gain since May 15, 2026. Weekly volume was 6% above average.
 Long-term trend: [See COST long-term trend chart]
A long-term uptrend had started on May 24, 2000 at 25.94 and reached 1096.50 on May 19, 2026. COST gained -1070.56 points, or -4127.06%, in 1355 weeks. The price is now at the 14.54% retracement level.
 Medium-term trend: [See COST medium-term trend chart]
A medium-term downtrend had started on May 19, 2026 at 1096.50 and reached 907.21 on July 10, 2026. COST lost 189.29 points, or 17.26%, in 7 weeks. The price is now at the 17.78% retracement level.
 Weekly Technical Indicators: [See COST weekly technical indicators chart]
Weekly Lane's Stochastic is oversold. Use the Technical Stock Screener to see the list of stocks with weekly oversold Lane's Stochastic. During the last week, weekly Lane's Stochastic main line (%K) has rallied above the oversold signal line (%D). Such crossover is considered a bullish signal. 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 below its signal line since May 29, 2026. This is an indication that the medium-term trend is down. The distance between MACD and the signal line is relatively high and getting bigger. It indicates that the current medium-term downtrend is strong. 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 July 10, 2026 at 907.21 and reached 964.33 on July 17, 2026. COST gained -57.12 points, or -6.30%, in 7 days. The price is now at the 41.07% retracement level.
 Daily Technical Indicators: [See COST daily technical indicators chart]
Daily Williams' Percentage Range is overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Williams' Percentage Range. Use the following link to access Williams' Percentage Range help.
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.
The price is close to 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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