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- 1/2/2026 -
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Quest Diagnostics (DGX) Technical Analysis

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Summary:
Weekly :Overbought sectorBroken trend resistance lineWilliams' Percentage Range is oversold
Daily :Lane's Stochastic oversoldWilliams' Percentage Range is strongly oversoldLane's Stochastic and MACD bullish divergenceA Parabolic SAR indicator is below and near the price
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It was the negative week for the Quest Diagnostics (DGX). During the week, the DGX dropped -2.15 points, or -1.22%, and closed at 173.79 on Friday, January 2, 2026. Weekly volume was -38% 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 197.55 on October 21, 2025. DGX gained -158.89 points, or -410.99%, in 887 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (89.32) is broken. Usually a broken resistance is considered to be a long-term bullish signal, although a short-term pull back is possible. 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 197.55 on October 21, 2025. DGX gained -77.96 points, or -65.19%, in 107 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 142.80 and resistance is at 203.51. 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 is strongly oversold. Use the Technical Stock Screener to see the list of stocks with weekly strongly 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 November 28, 2025. The distance between MACD and the signal line is near its high and getting bigger. Use the following link to access a MACD help.

Short-term trend: [See DGX short-term trend chart]
A short-term downtrend had started on November 21, 2025 at 193.76 and reached 172.03 on January 2, 2026. DGX lost 21.73 points, or 11.21%, in 42 days. The chart has formed a Descending Triangle chart pattern. The trend support level is at 174.16 and resistance is at 172.80. A Descending Triangle is a variation of triangle formation that has a flat support line and falling resistance line. The lower highs indicate the decreasing demand and give the descending triangle definitive bearish bias. A Descending Triangle usually represents a distribution stage in bearish market. A Descending Triangle is considered to be a continuation pattern, especially in a down trend, but it may also mark a reversal in an uptrend. Use the following link to access a Descending Triangle chart pattern help, or use a Technical Stock Screener to see the list of stocks with Descending Triangle pattern in a short-term trend.

Daily Technical Indicators: [See DGX daily technical indicators chart]
Daily Lane's Stochastic is oversold while Williams' Percentage Range is strongly oversold. Use the Technical Stock Screener to see the list of stocks with oversold daily Lane's Stochastic or strongly oversold daily Williams' Percentage Range. Daily Lane's Stochastic and MACD have bullish divergence. Use the following links to access the Lane's Stochastic and MACD help, or use the Technical Stock Screener to see the list of stocks with daily Lane's Stochastic and 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.

The daily MACD line is below its signal line since December 1, 2025. This is an indication that the short-term trend is down. The distance between MACD and the signal line is low and getting smaller. It indicates that the current short-term downtrend is getting weak.

A Parabolic SAR (stop and reversal) indicator (175.14) comes close to the price (173.79). 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) 26.48
Williams' Percentage Range (W%R) 90.20
Strong Oversold
Lane's Stochastic (%D-Slow) 15.82
Oversold Bullish
Greed/Fear Indicator (GFI) 17.36
Oversold
Moving Average Converg./Diverg. (MACD) -2.13 Bullish
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 38.53
Williams' Percentage Range (W%R) 95.00
Strong Oversold
Lane's Stochastic (%D-Slow) 24.37
Greed/Fear Indicator (GFI) 25.13
Moving Average Converg./Diverg. (MACD) 3.04
Trading Signals
Description Value Chart
Quarterly Trendline Resistance 203.51
Upper Bollinger Band 184.83
50 Day Moving Average 181.44
20 Day Moving Average 178.37
Weekly Stochastic Crossing 176.02
Parabolic System 175.14
Weekly Trendline Support 174.16
Price 173.79
Daily Stochastic Crossing 172.88
Weekly Trendline Resistance 172.80
Lower Bollinger Band 171.42
Yearly Trendline Resistance 150.22
Quarterly Trendline Support 142.80
Sector and Industry
Description Name Rank
Sector Health Care 10
Industry Health Care Services 25
Daily Trend
Description Value
Direction Down
Chart Pattern DownTrend
High 176.73
High Date 12/26/2025
Low 172.03
Low Date 01/02/2026
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern Descending Triangle
Status Valid
Resistance 172.80
Support 174.16
High 193.76
High Date 11/21/2025
Low 172.03
Low Date 01/02/2026
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 197.55
High Date 10/21/2025
Low 172.03
Low Date 01/02/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Valid
Resistance 203.51
Support 142.80
Low 119.59
Low Date 10/02/2023
High 197.55
High Date 10/21/2025
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Broken Resistance
Resistance 150.22
Support 89.32
Low 38.66
Low Date 10/17/2008
High 197.55
High Date 10/21/2025
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.