The Greedy Trader Weekly Analysis
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Hypermarkets & Super Centers Industry Stocks Technical Analysis - COST

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- 6/12/2026 -
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Costco Co. (COST) Technical Analysis

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Summary:
Weekly :Trend resistance at 956.12
Daily :The price has fallen below the Parabolic SAR20 Day Moving Average has crossed below the 50 Day Moving AveragePrice is near the Fibonacci 23.6% retracement levelThe period of high volatility of the stock price
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It was a second consecutive positive week for the Costco Co. (COST). During the week, the COST gained 10.48 points, or 1.08%, and closed at 982.35 on Friday, June 12, 2026. Weekly volume was -18% below 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 10.66% 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 936.51 on June 1, 2026. COST lost 159.99 points, or 14.59%, in 1 weeks. The chart has formed a Symmetric Triangle chart pattern. The price is near the trend resistance line (956.12). The resistance is usually stronger when technical indicators are overbought. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with price testing the trend resistance line in a medium-term trend.

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

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 low, but getting bigger. It indicates that the current medium-term downtrend is getting stronger. 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 June 8, 2026 at 961.00 and reached 989.12 on June 11, 2026. COST gained -28.12 points, or -2.93%, in 3 days. Price is near the Fibonacci 23.6% retracement level. The Fibonacci retracement level is considered a support/resistance level.

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

The daily MACD line is below its signal line since May 22, 2026. The distance between MACD and the signal line is low and getting smaller.

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.

The distance between the Bollinger Bands is 134.30% higher then one year average. It indicates the period of high volatility of the stock price. 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) 34.55
Williams' Percentage Range (W%R) 75.60
Lane's Stochastic (%D-Slow) 61.14
Greed/Fear Indicator (GFI) 40.03
Moving Average Converg./Diverg. (MACD) -10.33
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 47.19
Williams' Percentage Range (W%R) 72.80
Lane's Stochastic (%D-Slow) 46.61
Greed/Fear Indicator (GFI) 41.34
Moving Average Converg./Diverg. (MACD) 16.98
Trading Signals
Description Value Chart
Upper Bollinger Band 1077.66
50 Day Moving Average 1004.96
20 Day Moving Average 1001.09
Weekly Stochastic Crossing 999.03
Parabolic System 987.50
Price 982.35
Daily Stochastic Crossing 981.06
Quarterly Trendline Support 980.60
Quarterly Trendline Resistance 956.12
Lower Bollinger Band 901.70
Sector and Industry
Description Name Rank
Sector Consumer Staples 4
Industry Hypermarkets & Super Centers 33
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 961.00
Low Date 06/08/2026
High 989.12
High Date 06/11/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 961.00
Low Date 06/08/2026
High 989.12
High Date 06/11/2026
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 936.51
Low Date 06/01/2026
High 997.41
High Date 06/05/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern Symmetric Triangle
Status Test Resistance
Resistance 956.12
Support 980.60
High 1096.50
High Date 05/19/2026
Low 936.51
Low Date 06/01/2026
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.