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Hypermarkets & Super Centers Industry Stocks Technical Analysis - COST

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- 10/30/2026 -
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Costco Co. (COST) Technical Analysis

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Summary:
Weekly :Overbought sectorWilliams' Percentage Range is strongly overbought
Daily :Williams' Percentage Range is strongly overboughtStochastic signal line moved below overbought areaBullish Doji CandlestickPrice is near the Fibonacci 23.6% retracement level
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It was a fourth consecutive positive week for the Costco Co. (COST). During the week, the COST climbed 8.96 points, or 0.89%, and closed at 1012.28 on Friday, October 30, 2026. COST was trading at average weekly trading volume.

COST is a member of Consumer Staples Sector. Consumer Staples is the most overbought 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 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 7.87% retracement level.

Medium-term trend: [See COST medium-term trend chart]
A medium-term uptrend had started on September 25, 2026 at 883.10 and reached 1021.45 on October 23, 2026. COST gained -138.35 points, or -15.67%, in 4 weeks. The price is now at the 6.63% retracement level.

Weekly Technical Indicators: [See COST weekly technical indicators chart]
Weekly Williams' Percentage Range is strongly overbought. Use the Technical Stock Screener to see the list of stocks with strongly overbought weekly overbought 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 above its signal line since October 9, 2026. This is an indication that the medium-term trend is up. 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 October 28, 2026 at 980.32 and reached 1021.31 on October 30, 2026. COST gained -40.99 points, or -4.18%, in 2 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 Williams' Percentage Range is strongly overbought. Use the Technical Stock Screener to see the list of stocks with strongly overbought daily overbought Williams' Percentage Range. During the last week, daily Lane's Stochastic signal line (%D) has moved below overbought area. Such crossover is considered a bearish signal. Use the following link to access Lane's Stochastic help.

The daily MACD line is above its signal line since September 24, 2026. This is an indication that the short-term trend is up. The distance between MACD and the signal line is low and getting smaller. It indicates that the current short-term uptrend is getting weak.

Candlestick pattern: [See COST candlestick chart pattern]
On Friday the chart has formed a Bullish Doji Candlestick pattern. Use the Technical Stock Screener to see the list of stocks that had a Bullish Doji Candlestick pattern during the last week.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 67.98
Williams' Percentage Range (W%R) 8.80
Strong Overbought
Lane's Stochastic (%D-Slow) 45.81
Greed/Fear Indicator (GFI) 68.33
Moving Average Converg./Diverg. (MACD) 18.53
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 67.46
Williams' Percentage Range (W%R) 6.80
Strong Overbought
Lane's Stochastic (%D-Slow) 70.33
Greed/Fear Indicator (GFI) 73.26
Moving Average Converg./Diverg. (MACD) -8.06
Trading Signals
Description Value Chart
Upper Bollinger Band 1032.31
Price 1012.28
Daily Stochastic Crossing 996.31
Weekly Stochastic Crossing 992.35
Parabolic System 979.33
20 Day Moving Average 977.89
50 Day Moving Average 943.30
Lower Bollinger Band 924.04
Sector and Industry
Description Name Rank
Sector Consumer Staples 9
Industry Hypermarkets & Super Centers 112
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 980.32
Low Date 10/28/2026
High 1021.31
High Date 10/30/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 980.32
Low Date 10/28/2026
High 1021.31
High Date 10/30/2026
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 1021.45
High Date 10/23/2026
Low 980.32
Low Date 10/28/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 883.10
Low Date 09/25/2026
High 1021.45
High Date 10/23/2026
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.