The Greedy Trader Weekly Analysis
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- 5/23/2025 -
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Costco Co. (COST) Technical Analysis

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Summary:
Weekly :Weekly  MACD line has moved above its signal line
Daily :Daily  MACD line has moved below its signal line20 Day Moving Average has crossed below the 50 Day Moving AverageThe price is close to the moving average in the center of the Bollinger Bands
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It was the negative week for the Costco Co. (COST). During the week, the COST dropped -17.33 points, or -1.69%, and closed at 1008.50 on Friday, May 23, 2025. It was the worst weekly loss since March 14, 2025. Weekly volume was -14% below average.

Long-term trend: [See COST long-term trend chart]
A long-term uptrend had started on May 20, 2022 at 406.51 and reached 1078.00 on February 13, 2025. COST gained -671.49 points, or -165.18%, in 142 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 607.85 and resistance is at 1134.75. A Broadening Ascending Wedge pattern is considered to be a reversal formation. It usually appears in a mature trend, characterized by overbought/oversold long-term and short-term indicators, and often generates divergence on long-term indicators. Use the following link to access a Broadening Ascending Wedge chart pattern help, or use a Technical Stock Screener to see the list of stocks with Broadening Ascending Wedge pattern in a long-term trend.

Medium-term trend: [See COST medium-term trend chart]
A medium-term uptrend had started on April 7, 2025 at 871.70 and reached 1039.47 on May 21, 2025. COST gained -167.77 points, or -19.25%, in 6 weeks. The price is now at the 18.46% retracement level.

Weekly Technical Indicators: [See COST weekly technical indicators chart]
Weekly technical indicators are neutral.

During the last week, weekly MACD line has moved above its signal line. Such crossover is considered a bullish signal. 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 May 15, 2025 at 983.00 and reached 1039.47 on May 21, 2025. COST gained -56.47 points, or -5.74%, in 6 days. The price is now at the 54.84% retracement level.

Daily Technical Indicators: [See COST daily technical indicators chart]
Daily technical indicators are neutral.

During the last week, daily MACD line has moved below its signal line. Such crossover is considered a bearish signal.

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.

During the last week, the 20 Day Moving Average 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.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 47.22
Williams' Percentage Range (W%R) 38.90
Lane's Stochastic (%D-Slow) 75.78
Greed/Fear Indicator (GFI) 61.38
Moving Average Converg./Diverg. (MACD) 13.27
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 42.00
Williams' Percentage Range (W%R) 32.00
Lane's Stochastic (%D-Slow) 75.24
Greed/Fear Indicator (GFI) 64.12
Moving Average Converg./Diverg. (MACD) 22.48
Trading Signals
Description Value Chart
Quarterly Trendline Resistance 1134.75
Parabolic System 1040.51
Upper Bollinger Band 1035.10
Daily Stochastic Crossing 1022.55
20 Day Moving Average 1009.33
Price 1008.50
Weekly Stochastic Crossing 1007.92
Lower Bollinger Band 977.94
50 Day Moving Average 970.21
Sector and Industry
Description Name Rank
Sector Consumer Staples 3
Industry Hypermarkets & Super Centers 104
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 983.00
Low Date 05/15/2025
High 1039.47
High Date 05/21/2025
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 871.70
Low Date 04/07/2025
High 1039.47
High Date 05/21/2025
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 1078.00
High Date 02/13/2025
Low 871.70
Low Date 04/07/2025
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Valid
Resistance 1134.75
Support 607.85
Low 406.51
Low Date 05/20/2022
High 1078.00
High Date 02/13/2025
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 25.94
Low Date 05/24/2000
High 1078.00
High Date 02/13/2025
Warning: TheGreedyTrader.com presents weekly analysis. Technical indicators and trend parameters are calculated for the close of business day indicated on the top right corner of the screen.