The Greedy Trader Weekly Analysis
Sign In Oct 23, 2026
Skip Navigation Links
Share
Symbol:  

• Symbol Lookup
• View Technical Chart
• Add to Watch List
• Candlestick Patterns - N/A
• Stock Technical Indicators
• Stock Trends Analysis
• Market Sector Rank
• Stock Trading Signals

Archive
- 10/16/2026 -
Sign In to see current Signals.

Costco Co. (COST) Technical Analysis

Subscribe to TheGreedyTrader Weekly Alerts
Summary:
Weekly :Overbought sectorWeekly  MACD line has moved above its signal line
Daily :Lane's Stochastic is overbought
Move cursor over the icon to see details.

It was a second consecutive positive week for the Costco Co. (COST). During the week, the COST gained 42.19 points, or 4.46%, and closed at 989.11 on Friday, October 16, 2026. COST was trading at average weekly trading volume.

COST is a member of Consumer Staples Sector. Consumer Staples is the second 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 10.03% 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 1008.37 on October 15, 2026. COST gained -125.27 points, or -14.19%, in 2 weeks. The price is now at the 15.37% 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 October 1, 2026 at 903.78 and reached 1008.37 on October 15, 2026. COST gained -104.59 points, or -11.57%, in 14 days. The price is now at the 18.41% retracement level.

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

The daily MACD line is above its signal line since September 24, 2026. This is an indication that the short-term trend is up.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 78.96
Williams' Percentage Range (W%R) 20.70
Lane's Stochastic (%D-Slow) 84.92
Overbought
Greed/Fear Indicator (GFI) 81.07
Overbought
Moving Average Converg./Diverg. (MACD) 7.20
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 65.94
Williams' Percentage Range (W%R) 23.80
Lane's Stochastic (%D-Slow) 40.86
Greed/Fear Indicator (GFI) 57.80
Moving Average Converg./Diverg. (MACD) -10.69
Trading Signals
Description Value Chart
Upper Bollinger Band 998.48
Daily Stochastic Crossing 995.43
Price 989.11
Parabolic System 953.09
Weekly Stochastic Crossing 944.54
50 Day Moving Average 933.79
20 Day Moving Average 933.74
Lower Bollinger Band 888.74
Sector and Industry
Description Name Rank
Sector Consumer Staples 8
Industry Hypermarkets & Super Centers 100
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 903.78
Low Date 10/01/2026
High 1008.37
High Date 10/15/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 903.78
Low Date 10/01/2026
High 1008.37
High Date 10/15/2026
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 903.78
Low Date 10/01/2026
High 1008.37
High Date 10/15/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 883.10
Low Date 09/25/2026
High 1008.37
High Date 10/15/2026
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.