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AFTER HRS · 18:30 ET
Market ClerkRecap
Wed Oct 21 · after hours2 signals today106 insider buys this week · $305.5MCIRO short report next: Oct 31The week ahead

DGX

QUEST DIAGNOSTICS INC
NYSE · HEALTH CARE · SERVICES-MEDICAL LABORATORIES
238.51
+1.39 +0.59%
USD · close Oct 21

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Short interest

FINRA · TWICE MONTHLY
Report dateShares shortChange% of shares outAvg daily volumeDays to cover
2026-08-313.4M+124K3.12%894K3.9
2026-08-143.3M−363K3.01%712K4.7
2026-07-313.7M+175K3.34%1.3M2.7
2026-07-153.5M−223K3.18%824K4.3

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