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- 1/16/2026 -
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Quest Diagnostics (DGX) Technical Analysis

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Summary:
Weekly :Broken trend resistance lineStochastic has raised above the signal line
Daily :Lane's Stochastic is overboughtWilliams' Percentage Range is strongly overboughtPrice has crossed above the 50 Day Moving AverageThe price moved above the moving average in the center of the Bollinger Bands
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It was a second positive week after 3 consecutive negative weeks for the Quest Diagnostics (DGX). During the week, the DGX gained 15.05 points, or 8.63%, and closed at 189.49 on Friday, January 16, 2026. DGX was trading at average weekly trading volume.

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 (89.44) 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 143.21 and resistance is at 204.71. 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 technical indicators are neutral. During the last week, weekly Lane's Stochastic main line (%K) has rallied above the oversold signal line (%D). Such crossover is considered a bullish 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 link to access Lane's Stochastic help.

The weekly MACD line is below its signal line since November 28, 2025. 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 January 5, 2026 at 171.18 and reached 190.99 on January 15, 2026. DGX gained -19.81 points, or -11.57%, in 10 days. The price is now at the 7.57% retracement level.

Daily Technical Indicators: [See DGX daily technical indicators chart]
Daily Lane's Stochastic is overbought while Williams' Percentage Range is strongly overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Lane's Stochastic or strongly overbought daily Williams' Percentage Range. Use the following link to access Williams' Percentage Range help.

The daily MACD line is above its signal line since January 5, 2026. This is an indication that the short-term trend is up. The distance between MACD and the signal line is near its high and getting bigger. It indicates that the current short-term uptrend is strong.

During the last week, the price has moved above the moving average in the center of the Bollinger Bands. 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.

During the last week, the price has advanced above the 50 Day Moving Average. Such crossover is considered a bullish signal. The moving average crossover signals work better when the stock develops a strong trend, but they are ineffective when the stock is in a trading range. Moving average crossover systems can be effective, but should be used in conjunction with trend patterns, momentum indicators, candlesticks and other aspects of technical analysis. Use the following links to access Moving Average Crossover trading technique, or use the Technical Stock Screener to see the list of stocks with the Moving Average close to the price level.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 70.81
Williams' Percentage Range (W%R) 8.00
Strong Overbought
Lane's Stochastic (%D-Slow) 84.10
Overbought
Greed/Fear Indicator (GFI) 82.30
Overbought
Moving Average Converg./Diverg. (MACD) -0.53
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 54.01
Williams' Percentage Range (W%R) 30.90
Lane's Stochastic (%D-Slow) 25.31
Greed/Fear Indicator (GFI) 48.87
Moving Average Converg./Diverg. (MACD) 2.36
Trading Signals
Description Value Chart
Quarterly Trendline Resistance 204.71
Upper Bollinger Band 190.33
Daily Stochastic Crossing 189.82
Price 189.49
Monthly Trendline Resistance 187.66
50 Day Moving Average 181.80
20 Day Moving Average 178.03
Parabolic System 177.51
Weekly Stochastic Crossing 176.65
Lower Bollinger Band 170.66
Monthly Trendline Support 170.51
Sector and Industry
Description Name Rank
Sector Health Care 7
Industry Health Care Services 39
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 171.18
Low Date 01/05/2026
High 190.99
High Date 01/15/2026
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 193.76
High Date 11/21/2025
Low 171.18
Low Date 01/05/2026
Description Value
Direction Down
Chart Pattern Falling Wedge
Status Broken Resistance
Resistance 187.66
Support 170.51
High 197.55
High Date 10/21/2025
Low 171.18
Low Date 01/05/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Valid
Resistance 204.71
Support 143.21
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 150.45
Support 89.44
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.