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- 9/26/2025 -
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Quest Diagnostics (DGX) Technical Analysis

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Summary:
Weekly :Broken uptrend resistance line - uptrend exhaustionWilliams' Percentage Range and Lane's Stochastic are overboughtTrend resistance at 189.26
Daily :Lane's Stochastic is overboughtDaily  MACD line has moved above its signal lineThe price has risen above the Parabolic SARThe price is above the upper Bollinger Band
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It was a second consecutive positive week for the Quest Diagnostics (DGX). During the week, the DGX gained 5.39 points, or 2.94%, and closed at 188.99 on Friday, September 26, 2025. Weekly volume was -26% below average.

Long-term trend: [See DGX long-term trend chart]
A long-term uptrend had started on October 17, 2008 at 38.66 and reached 189.23 on September 26, 2025. DGX gained -150.57 points, or -389.47%, in 884 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (88.51) is broken, while daily and weekly technical indicators are overbought. Uptrend is exhausted and trend reversal is possible soon. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with broken trend resistance line in a long-term trend.

Medium-term trend: [See DGX medium-term trend chart]
A medium-term uptrend had started on October 2, 2023 at 119.59 and reached 189.23 on September 26, 2025. DGX gained -69.64 points, or -58.23%, in 103 weeks. The chart has formed a Rising Channel chart pattern. The price is near the trend resistance line (189.26). 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 DGX weekly technical indicators chart]
Weekly Williams' Percentage Range and Lane's Stochastic are overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Williams' Percentage Range and 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 links to access Lane's Stochastic and Williams' Percentage Range help.

The weekly MACD line is above its signal line since August 29, 2025. This is an indication that the medium-term trend is up. Use the following link to access a MACD help.

Short-term trend: [See DGX short-term trend chart]
A short-term uptrend had started on August 25, 2025 at 176.97 and reached 189.23 on September 26, 2025. DGX gained -12.26 points, or -6.93%, in 32 days. The chart has formed a Broadening Ascending Wedge chart pattern.

Daily Technical Indicators: [See DGX 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.

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.

The price has closed on Friday above the upper Bollinger Band. It is considered a bullish signal. 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.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 65.16
Williams' Percentage Range (W%R) 24.10
Lane's Stochastic (%D-Slow) 85.38
Overbought
Greed/Fear Indicator (GFI) 75.48
Moving Average Converg./Diverg. (MACD) 1.81
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 63.37
Williams' Percentage Range (W%R) 12.00
Overbought
Lane's Stochastic (%D-Slow) 81.90
Overbought
Greed/Fear Indicator (GFI) 75.27
Moving Average Converg./Diverg. (MACD) 3.79
Trading Signals
Description Value Chart
Monthly Trendline Resistance 190.38
Quarterly Trendline Resistance 189.26
Price 188.99
Upper Bollinger Band 188.47
Daily Stochastic Crossing 187.94
Weekly Stochastic Crossing 185.93
Parabolic System 183.17
20 Day Moving Average 182.90
50 Day Moving Average 178.31
Lower Bollinger Band 177.91
Monthly Trendline Support 170.66
Quarterly Trendline Support 169.66
Sector and Industry
Description Name Rank
Sector Health Care 4
Industry Health Care Services 111
Daily Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Low 176.97
Low Date 08/25/2025
High 189.23
High Date 09/26/2025
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 164.65
Low Date 07/15/2025
High 189.23
High Date 09/26/2025
Description Value
Direction Up
Chart Pattern Rising Channel
Status Test Resistance
Resistance 190.38
Support 170.66
Low 123.04
Low Date 02/01/2024
High 189.23
High Date 09/26/2025
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Rising Channel
Status Test Resistance
Resistance 189.26
Support 169.66
Low 119.59
Low Date 10/02/2023
High 189.23
High Date 09/26/2025
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Broken Resistance
Resistance 148.67
Support 88.51
Low 38.66
Low Date 10/17/2008
High 189.23
High Date 09/26/2025
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.