The Greedy Trader Weekly Analysis
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- 10/10/2025 -
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Costco Co. (COST) Technical Analysis

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Summary:
Weekly :Oversold sectorLane's Stochastic bullish divergence
Daily :Daily  MACD line has moved above its signal lineThe price has risen above the Parabolic SAR
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It was a first positive week after 3 consecutive negative weeks for the Costco Co. (COST). During the week, the COST gained 14.63 points, or 1.60%, and closed at 930.01 on Friday, October 10, 2025. Weekly volume was 36% above average.

COST is a member of Consumer Staples Sector. Consumer Staples is the most oversold 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 downtrend had started on February 13, 2025 at 1078.00 and reached 871.70 on April 7, 2025. COST lost 206.30 points, or 19.14%, in 7 weeks. The price is now at the 28.26% retracement level.

Medium-term trend: [See COST medium-term trend chart]
A medium-term downtrend had started on June 3, 2025 at 1067.08 and reached 903.29 on September 29, 2025. COST lost 163.79 points, or 15.35%, in 16 weeks. The price is now at the 16.31% retracement level.

Weekly Technical Indicators: [See COST weekly technical indicators chart]
Weekly technical indicators are neutral. Weekly Lane's Stochastic has bullish divergence. Use the following links to access the Lane's Stochastic help, or use the Technical Stock Screener to see the list of stocks with weekly Lane's Stochastic bullish divergence. The divergence between price and indicator is considering one of the most important buy/sell stocks trading 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 June 13, 2025. This is an indication that the medium-term trend is down. 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 August 20, 2025 at 999.30 and reached 903.29 on September 29, 2025. COST lost 96.01 points, or 9.61%, in 40 days. The chart has formed a Falling Channel chart pattern.

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

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.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 43.41
Williams' Percentage Range (W%R) 38.10
Lane's Stochastic (%D-Slow) 48.26
Greed/Fear Indicator (GFI) 51.19
Moving Average Converg./Diverg. (MACD) -9.91
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 37.41
Williams' Percentage Range (W%R) 74.90
Lane's Stochastic (%D-Slow) 31.54
Bullish
Greed/Fear Indicator (GFI) 34.67
Moving Average Converg./Diverg. (MACD) -1.23 Bullish
Trading Signals
Description Value Chart
Upper Bollinger Band 967.17
50 Day Moving Average 952.23
20 Day Moving Average 933.78
Price 930.01
Daily Stochastic Crossing 927.38
Weekly Stochastic Crossing 927.28
Parabolic System 906.80
Lower Bollinger Band 898.77
Sector and Industry
Description Name Rank
Sector Consumer Staples 1
Industry Hypermarkets & Super Centers 54
Daily Trend
Description Value
Direction Down
Chart Pattern Falling Channel
High 999.30
High Date 08/20/2025
Low 903.29
Low Date 09/29/2025
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 1067.08
High Date 06/03/2025
Low 903.29
Low Date 09/29/2025
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 Uptrend
Status
Resistance
Support
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.