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- 2/27/2026 -
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Quest Diagnostics (DGX) Technical Analysis

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Summary:
Weekly :Broken uptrend resistance line - uptrend exhaustionBroken uptrend resistance line - uptrend exhaustionWilliams' Percentage Range is strongly overbought
Daily :Williams' Percentage Range is strongly overboughtRelative Strength Index, Lane's Stochastic and MACD bearish divergenceThe price has risen above the Parabolic SARThe period of high volatility of the stock price
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It was a first positive week for the Quest Diagnostics (DGX). During the week, the DGX gained 9.50 points, or 4.69%, and closed at 211.91 on Friday, February 27, 2026. Weekly volume was -22% 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 213.50 on February 27, 2026. DGX gained -174.84 points, or -452.25%, in 906 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (89.78) 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 213.50 on February 27, 2026. DGX gained -93.91 points, or -78.53%, in 125 weeks. The chart has formed a Rising Channel chart pattern. The uptrend resistance line (184.10) 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 medium-term trend.

Weekly Technical Indicators: [See DGX weekly technical indicators chart]
Weekly Williams' Percentage Range is strongly overbought. Use the Technical Stock Screener to see the list of stocks with strongly overbought weekly overbought 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 above its signal line since February 6, 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 February 20, 2026 at 200.94 and reached 213.50 on February 27, 2026. DGX gained -12.56 points, or -6.25%, in 7 days. The price is now at the 12.66% retracement level.

Daily Technical Indicators: [See DGX daily technical indicators chart]
Daily Williams' Percentage Range is strongly overbought. Use the Technical Stock Screener to see the list of stocks with strongly overbought daily overbought Williams' Percentage Range. Daily Relative Strength Index, Lane's Stochastic and MACD have bearish divergence. Use the following links to access the Relative Strength Index, Lane's Stochastic and MACD help, or use the Technical Stock Screener to see the list of stocks with daily Relative Strength Index, Lane's Stochastic and MACD bearish divergence. The divergence between price and indicator is considering one of the most important buy/sell stocks trading signal. Use the following links to access Lane's Stochastic and Relative Strength Index 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 low and getting smaller. It indicates that the current short-term uptrend is getting weak.

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 distance between the Bollinger Bands is 100.73% higher then one year average. It indicates the period of high volatility of the stock price. 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) 77.52
Bearish
Williams' Percentage Range (W%R) 7.70
Strong Overbought
Lane's Stochastic (%D-Slow) 76.41
Bearish
Greed/Fear Indicator (GFI) 82.06
Overbought
Moving Average Converg./Diverg. (MACD) 6.06 Bearish
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 62.67
Williams' Percentage Range (W%R) 5.70
Strong Overbought
Lane's Stochastic (%D-Slow) 78.03
Greed/Fear Indicator (GFI) 77.90
Moving Average Converg./Diverg. (MACD) 3.09
Trading Signals
Description Value Chart
Monthly Trendline Resistance 225.94
Upper Bollinger Band 219.51
Price 211.91
Daily Stochastic Crossing 210.65
Quarterly Trendline Resistance 208.05
Weekly Stochastic Crossing 207.10
Parabolic System 201.25
20 Day Moving Average 200.58
Monthly Trendline Support 195.75
50 Day Moving Average 187.97
Quarterly Trendline Support 184.10
Lower Bollinger Band 182.77
Sector and Industry
Description Name Rank
Sector Health Care 5
Industry Health Care Services 79
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 200.94
Low Date 02/20/2026
High 213.50
High Date 02/27/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 179.73
Low Date 01/23/2026
High 213.50
High Date 02/27/2026
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Valid
Resistance 225.94
Support 195.75
Low 171.18
Low Date 01/05/2026
High 213.50
High Date 02/27/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Rising Channel
Status Broken Resistance
Resistance 208.05
Support 184.10
Low 119.59
Low Date 10/02/2023
High 213.50
High Date 02/27/2026
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Broken Resistance
Resistance 151.10
Support 89.78
Low 38.66
Low Date 10/17/2008
High 213.50
High Date 02/27/2026
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.