ZOSHOpen the appStocks and fundsCalculators

US stock · data to 2026-10-20

Quest Diagnostics (DGX)

Quest Diagnostics: $234.92 on 2026-10-20. +15.1% a year since 1996, worst fall -49%. Year-by-year returns, risk profile and what followed its price patterns in the past.

Open the interactive chart and full history

Key numbers

Last close$234.92
Return a year since 1996+15.1%
All-time high$247.45 (2026-09-17)
Below its high-5.1%
Worst fall-49% (2003-02-14)
Yearly volatility29%
Beta vs its index0.61
Risk / reward vs its marketLow risk · Medium reward

Returns by year

YearReturn
2026+35.4%
2025+15.0%
2024+9.4%
2023-11.9%
2022-9.6%
2021+45.2%
2020+11.6%
2019+28.2%
2018-15.5%
2017+7.2%
2016+29.2%
2015+6.1%

What followed its price patterns in the past

How often DGX was higher 40 trading days after each pattern, next to an ordinary day. History for learning, not a forecast.

PatternPast casesHigher after 40 daysOn an ordinary dayMedian move
Up streak10257%60%+2.0%
Big up day9461%60%+3.1%
New 52-week high9356%60%+1.4%
RSI rises above 708852%60%+1.2%
Falls below 200-day avg7560%60%+2.8%
Down streak7455%60%+2.2%
Volume spike on a down day7455%60%+2.1%
Volume spike on an up day7353%60%+0.9%
Big down day7156%60%+0.7%
Crosses above 200-day avg7166%60%+2.9%
Falls 20% from all-time high5655%60%+1.7%
RSI drops below 305169%60%+5.0%

ZOSH shows history and calculations for learning. It is not investment advice and does not tell anyone to buy or sell. Data: Yahoo Finance, AMFI, NSE and official sources; it can be late or wrong, so check before acting.