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Quest Diagnostics (DGX, Health Care Services) Stock Valuation & Fair Value Significantly overvalued

Quest Diagnostics (DGX, Health Care Services) trades at a blended P/E of 22.6, about 47% above its historical normal valuation, with a forward growth estimate of 8.8% and a PEG of 2.57. Analysts' one-year estimates have been hit 73% of the time.

DATA AS OF 2026-08-21
Blended P/E
22.6
Normal P/E
15.4
PEG
2.57
Fwd growth
8.8%
Div yield
1.4%
RSI (14)
71.9
Overbought

Valuation flags

Verdict history

tickerseer's rating moved from trading above fair value (2026-06-03) to significantly overvalued (2026-08-21).

Price and rating by weekClose moved +21.5 percent from 2026-06-03 to 2026-08-17, with 1 rating change over 21 recorded weeks.2026-06-03: Trading above fair value, close 192.89 (recalculated)2026-06-10: Trading above fair value, close 202.95 (recalculated)2026-06-14: Trading above fair value, close 202.24 (recalculated)2026-06-16: Trading above fair value, close 200.23 (recalculated)2026-06-21: Trading above fair value, close 194.21 (recalculated)2026-07-02: Trading above fair value, close 214.85 (recalculated)2026-07-06: Trading above fair value, close 212.59 (recalculated)2026-07-09: Trading above fair value, close 208.05 (recalculated)2026-07-12: Trading above fair value, close 207.44 (recalculated)2026-07-13: Trading above fair value, close 207.35 (recalculated)2026-07-14: Trading above fair value, close 206.00 (recalculated)2026-07-20: Trading above fair value, close 207.66 (recalculated)2026-07-22: Trading above fair value, close 209.83 (recalculated)2026-07-25: Significantly overvalued, close 227.86 (recalculated)2026-07-27: Significantly overvalued, close 231.84 (recalculated)2026-07-31: Significantly overvalued, close 233.01 (recalculated)2026-08-03: Significantly overvalued, close 233.012026-08-07: Significantly overvalued, close 238.35 (recalculated)2026-08-10: Significantly overvalued, close 238.352026-08-14: Significantly overvalued, close 234.40 (recalculated)2026-08-17: Significantly overvalued, close 234.401932342026-06-032026-08-17
Attractively valuedFairly valuedAbove fair valueLarger dot: a stronger reading

Not every point was recorded live. Points marked recalculated apply today's valuation rules to the metrics tickerseer archived that week.

2026-06-03P/E 19.2+25%Trading above fair value
2026-06-10P/E 19.6+27%Trading above fair value
2026-06-14P/E 19.6+27%Trading above fair value
2026-06-16P/E 19.6+27%Trading above fair value
2026-06-21P/E 19.6+27%Trading above fair value
2026-07-02P/E 21.0+36%Trading above fair value
2026-07-06P/E 20.9+36%Trading above fair value
2026-07-09P/E 20.9+36%Trading above fair value
2026-07-12P/E 20.1+31%Trading above fair value
2026-07-13P/E 20.1+31%Trading above fair value
2026-07-14P/E 20.1+31%Trading above fair value
2026-07-20P/E 20.4+33%Trading above fair value
2026-07-22P/E 20.4+33%Trading above fair value
2026-07-25P/E 21.5+40%Significantly overvalued
2026-07-27P/E 21.5+40%Significantly overvalued
2026-07-31P/E 22.1+44%Significantly overvalued
2026-08-03P/E 22.0+43%Significantly overvalued
2026-08-07P/E 22.4+46%Significantly overvalued
2026-08-10P/E 22.4+46%Significantly overvalued
2026-08-14P/E 22.1+44%Significantly overvalued
2026-08-17P/E 22.0+43%Significantly overvalued
2026-08-21P/E 22.6+47%Significantly overvalued ← now

Frequently asked questions

Is Quest Diagnostics stock overvalued?

At a blended P/E of 22.6 versus its historical normal P/E of 15.4, Quest Diagnostics trades about 47% above its typical valuation, with a PEG of 2.57 on 8.8% forward growth. tickerseer currently rates it significantly overvalued.

What is Quest Diagnostics's fair value and PEG?

Quest Diagnostics trades at a blended P/E of 22.6 against a historical normal P/E of 15.4, a PEG of 2.57, and a forward growth estimate of 8.8%.

Has tickerseer's rating of Quest Diagnostics changed?

tickerseer's rating moved from trading above fair value (2026-06-03) to significantly overvalued (2026-08-21).

Industry: Health Care Services. Create a free account to see the full analysis: the SeerAI score, its five quality sub-scores, valuation history, and the AI research note. Options setups and metric history are part of the paid plans.

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