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S&P 500 Oversold StocksArchive
- 12/12/2025 -
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Costco Co. (COST) Technical Analysis
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| Summary:
| | Weekly : | | Daily :
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| | It was the negative week for the Costco Co. (COST). During the week, the COST dropped -10.21 points, or -1.14%, and closed at 884.47 on Friday, December 12, 2025. Weekly volume was 38% above average.
 Long-term trend: [See COST long-term trend chart]
A long-term downtrend had started on February 13, 2025 at 1078.00 and reached 867.12 on December 12, 2025. COST lost 210.88 points, or 19.56%, in 43 weeks. The price is now at the 8.23% 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 867.12 on December 12, 2025. COST lost 199.96 points, or 18.74%, in 27 weeks. The chart has formed a Falling Wedge chart pattern. The trend support level is at 875.23 and resistance is at 915.14. A Falling Wedge is a triangle formation with a noticeable slant to the downside. It represents the loss of a downside momentum on each successive low and has a bullish bias. The Falling wedge usually marks a reversal in a downtrend. In an uptrend a falling wedge is considered to be a continuation pattern. Use the following link to access a Falling Wedge chart pattern help, or use a Technical Stock Screener to see the list of stocks with Falling Wedge pattern in a medium-term trend.
 Weekly Technical Indicators: [See COST weekly technical indicators chart]
Weekly Williams' Percentage Range is oversold. Use the Technical Stock Screener to see the list of stocks with weekly oversold 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 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 October 15, 2025 at 964.00 and reached 867.12 on December 12, 2025. COST lost 96.88 points, or 10.05%, in 58 days. The price is now at the 17.91% 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. Daily MACD has bullish divergence. Use the following links to access the MACD help, or use the Technical Stock Screener to see the list of stocks with daily MACD bullish divergence. The divergence between price and indicator is considering one of the most important buy/sell stocks trading signal. 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.
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| Daily Oscillators |
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| Weekly Oscillators |
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| Trading
Signals |
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| Sector and
Industry |
| Description |
Name |
Rank |
| Sector |
Consumer Staples |
3 |
| Industry |
Hypermarkets & Super Centers |
53 |
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| Daily Trend |
| Description |
Value |
| Direction |
Down |
| Chart Pattern |
DownTrend |
| High |
964.00 |
| High Date |
10/15/2025 |
| Low |
867.12 |
| Low Date |
12/12/2025 |
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| Weekly Trend |
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| Description |
Value |
| Direction |
Down |
| Chart Pattern |
Falling Wedge |
| Status |
Valid |
| Resistance |
915.14 |
| Support |
875.23 |
| High |
1067.08 |
| High Date |
06/03/2025 |
| Low |
867.12 |
| Low Date |
12/12/2025 |
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| Description |
Value |
| Direction |
Down |
| Chart Pattern |
DownTrend |
| Status |
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| Resistance |
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| Support |
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| High |
1078.00 |
| High Date |
02/13/2025 |
| Low |
867.12 |
| Low Date |
12/12/2025 |
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| Quarterly Trend |
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| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Uptrend |
| Status |
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| Resistance |
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| Support |
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| Low |
406.51 |
| Low Date |
05/20/2022 |
| High |
1078.00 |
| High Date |
02/13/2025 |
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| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Uptrend |
| Status |
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| Resistance |
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| Support |
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| Low |
25.94 |
| Low Date |
05/24/2000 |
| High |
1078.00 |
| High Date |
02/13/2025 |
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