The Greedy Trader Weekly Analysis
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- 8/28/2026 -
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Quest Diagnostics (DGX) Technical Analysis

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Summary:
Weekly :Overbought sectorBroken uptrend resistance line - uptrend exhaustionWilliams' Percentage Range and Lane's Stochastic are strongly overboughtStochastic has declined below the signal line
Daily :Williams' Percentage Range and Lane's Stochastic are overboughtA Parabolic SAR indicator is above and near the price
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It was the negative week for the Quest Diagnostics (DGX). During the week, the DGX gave back -1.63 points, or -0.67%, and closed at 242.76 on Friday, August 28, 2026. Weekly volume was -20% below average.

DGX is a member of Health Care Sector. Health Care 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 DGX long-term trend chart]
A long-term uptrend had started on October 17, 2008 at 38.66 and reached 247.19 on August 27, 2026. DGX gained -208.53 points, or -539.39%, in 931 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (78.92) 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 April 3, 2020 at 73.02 and reached 247.19 on August 27, 2026. DGX gained -174.17 points, or -238.52%, in 333 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 135.47 and resistance is at 314.26. A Broadening Ascending Wedge pattern is considered to be a reversal formation. It usually appears in a mature trend, characterized by overbought/oversold long-term and short-term indicators, and often generates divergence on long-term indicators. Use the following link to access a Broadening Ascending Wedge chart pattern help, or use a Technical Stock Screener to see the list of stocks with Broadening Ascending Wedge pattern in a medium-term trend.

Weekly Technical Indicators: [See DGX weekly technical indicators chart]
Weekly Williams' Percentage Range and Lane's Stochastic are strongly overbought. Use the Technical Stock Screener to see the list of stocks with strongly overbought weekly overbought Williams' Percentage Range and Lane's Stochastic. During the last week, weekly Lane's Stochastic main line (%K) has declined below the overbought signal line (%D). Such crossover is considered a bearish 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 links to access Lane's Stochastic and Williams' Percentage Range help.

The weekly MACD line is above its signal line since June 18, 2026. This is an indication that the medium-term trend is up. The distance between MACD and the signal line is near its high and getting bigger. It indicates that the current medium-term uptrend is strong. 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 May 8, 2026 at 186.23 and reached 247.19 on August 27, 2026. DGX gained -60.96 points, or -32.73%, in 111 days. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 209.77 and resistance is at 262.49. Use the following link to access a Broadening Ascending Wedge chart pattern help, or use a Technical Stock Screener to see the list of stocks with Broadening Ascending Wedge pattern in a short-term trend.

Daily Technical Indicators: [See DGX daily technical indicators chart]
Daily Williams' Percentage Range and Lane's Stochastic are overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Williams' Percentage Range and Lane's Stochastic.

The daily MACD line is below its signal line since August 12, 2026. The distance between MACD and the signal line is low, but getting bigger.

A Parabolic SAR (stop and reversal) indicator (241.74) comes close to the price (242.76). It indicates that the trend is getting weaker. 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) 63.81
Williams' Percentage Range (W%R) 11.60
Overbought
Lane's Stochastic (%D-Slow) 81.46
Overbought
Greed/Fear Indicator (GFI) 77.90
Moving Average Converg./Diverg. (MACD) 6.27
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 75.84
Williams' Percentage Range (W%R) 3.30
Strong Overbought
Lane's Stochastic (%D-Slow) 92.27
Strong Overbought
Greed/Fear Indicator (GFI) 85.58
Overbought
Moving Average Converg./Diverg. (MACD) 8.31
Trading Signals
Description Value Chart
Weekly Trendline Resistance 262.49
Upper Bollinger Band 245.72
Daily Stochastic Crossing 245.30
Weekly Stochastic Crossing 244.04
Price 242.76
Parabolic System 241.74
20 Day Moving Average 239.08
Lower Bollinger Band 229.69
Monthly Trendline Resistance 229.46
50 Day Moving Average 223.56
Weekly Trendline Support 209.77
Sector and Industry
Description Name Rank
Sector Health Care 12
Industry Health Care Services 104
Daily Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Low 229.01
Low Date 07/30/2026
High 247.19
High Date 08/27/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Valid
Resistance 262.49
Support 209.77
Low 186.23
Low Date 05/08/2026
High 247.19
High Date 08/27/2026
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Broken Resistance
Resistance 229.46
Support 193.87
Low 119.59
Low Date 10/02/2023
High 247.19
High Date 08/27/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Valid
Resistance 314.26
Support 135.47
Low 73.02
Low Date 04/03/2020
High 247.19
High Date 08/27/2026
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Broken Resistance
Resistance 154.02
Support 78.92
Low 38.66
Low Date 10/17/2008
High 247.19
High Date 08/27/2026
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.