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- 10/16/2026 -
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Quest Diagnostics (DGX) Technical Analysis

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Summary:
Weekly :Overbought sectorWilliams' Percentage Range is overboughtBroken trend resistance lineTrend resistance at 231.46
Daily :Daily  MACD line has moved above its signal lineThe price has risen above the Parabolic SARThe price moved above the moving average in the center of the Bollinger Bands
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It was a first positive week after 3 consecutive negative weeks for the Quest Diagnostics (DGX). During the week, the DGX gained 4.03 points, or 1.74%, and closed at 235.00 on Friday, October 16, 2026. DGX was trading at average weekly trading volume.

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 248.84 on September 21, 2026. DGX gained -210.18 points, or -543.66%, in 935 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (91.73) 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 248.84 on September 21, 2026. DGX gained -129.25 points, or -108.08%, in 155 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The price is near the trend resistance line (231.46). 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 is overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly 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 October 2, 2026. The distance between MACD and the signal line is low, but 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 September 23, 2026 at 238.62 and reached 225.78 on October 6, 2026. DGX lost 12.84 points, or 5.38%, in 13 days. The price is now at the 71.81% retracement level.

Daily Technical Indicators: [See DGX daily technical indicators chart]
Daily technical indicators are neutral.

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.

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.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 46.54
Williams' Percentage Range (W%R) 39.80
Lane's Stochastic (%D-Slow) 71.75
Greed/Fear Indicator (GFI) 59.51
Moving Average Converg./Diverg. (MACD) -1.32
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 66.18
Williams' Percentage Range (W%R) 15.90
Overbought
Lane's Stochastic (%D-Slow) 48.42
Greed/Fear Indicator (GFI) 61.74
Moving Average Converg./Diverg. (MACD) 11.14
Trading Signals
Description Value Chart
Upper Bollinger Band 242.00
50 Day Moving Average 237.43
Daily Stochastic Crossing 237.06
Price 235.00
Weekly Stochastic Crossing 234.37
20 Day Moving Average 233.64
Quarterly Trendline Resistance 231.46
Lower Bollinger Band 226.49
Parabolic System 226.16
Quarterly Trendline Support 189.36
Sector and Industry
Description Name Rank
Sector Health Care 11
Industry Health Care Services 81
Daily Trend
Description Value
Direction Down
Chart Pattern DownTrend
High 238.62
High Date 09/23/2026
Low 225.78
Low Date 10/06/2026
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 248.84
High Date 09/21/2026
Low 225.78
Low Date 10/06/2026
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 186.23
Low Date 05/08/2026
High 248.84
High Date 09/21/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Test Resistance
Resistance 231.46
Support 189.36
Low 119.59
Low Date 10/02/2023
High 248.84
High Date 09/21/2026
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Broken Resistance
Resistance 154.81
Support 91.73
Low 38.66
Low Date 10/17/2008
High 248.84
High Date 09/21/2026
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.