The Greedy Trader Weekly Analysis
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- 5/29/2026 -
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Costco Co. (COST) Technical Analysis

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Summary:
Weekly :
Daily :Daily  MACD line has moved below its signal lineLane's Stochastic is oversoldThe price touches the lower Bollinger Band
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It was the negative week for the Costco Co. (COST). During the week, the COST dropped -71.92 points, or -6.99%, and closed at 956.32 on Friday, May 29, 2026. Weekly volume was 65% above average.

Long-term trend: [See COST long-term trend chart]
A long-term downtrend had started on May 19, 2026 at 1096.50 and reached 945.45 on May 29, 2026. COST lost 151.05 points, or 13.78%, in 1 weeks. The price is now at the 7.20% retracement level.

Medium-term trend: [See COST medium-term trend chart]
A medium-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 13.09% retracement level.

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

The weekly MACD line is above its signal line since January 9, 2026. This is an indication that the medium-term trend is up. The distance between MACD and the signal line is low and getting smaller. It indicates that the current medium-term uptrend is getting weak. 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 May 19, 2026 at 1096.50 and reached 945.45 on May 29, 2026. COST lost 151.05 points, or 13.78%, in 10 days. The price is now at the 7.20% retracement level.

Daily Technical Indicators: [See COST daily technical indicators chart]
Daily Lane's Stochastic is oversold. Use the Technical Stock Screener to see the list of stocks with daily oversold Lane's Stochastic. 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.

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

The price touches the lower Bollinger Band. 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.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 39.23
Williams' Percentage Range (W%R) 72.80
Lane's Stochastic (%D-Slow) 10.16
Oversold
Greed/Fear Indicator (GFI) 25.54
Moving Average Converg./Diverg. (MACD) 7.56
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 45.05
Williams' Percentage Range (W%R) 48.80
Lane's Stochastic (%D-Slow) 62.90
Greed/Fear Indicator (GFI) 53.37
Moving Average Converg./Diverg. (MACD) 17.77
Trading Signals
Description Value Chart
Parabolic System 1082.75
Upper Bollinger Band 1082.02
Weekly Stochastic Crossing 1042.77
20 Day Moving Average 1024.19
50 Day Moving Average 1007.43
Price 956.32
Lower Bollinger Band 954.59
Daily Stochastic Crossing 953.89
Sector and Industry
Description Name Rank
Sector Consumer Staples 3
Industry Hypermarkets & Super Centers 64
Daily Trend
Description Value
Direction Down
Chart Pattern DownTrend
High 1096.50
High Date 05/19/2026
Low 945.45
Low Date 05/29/2026
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 1096.50
High Date 05/19/2026
Low 945.45
Low Date 05/29/2026
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 1096.50
High Date 05/19/2026
Low 945.45
Low Date 05/29/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 1096.50
High Date 05/19/2026
Low 945.45
Low Date 05/29/2026
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 25.94
Low Date 05/24/2000
High 1096.50
High Date 05/19/2026
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.