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187.92 USD
0.02
0.01%
Last update May 15, 11:22 AM EDT
Main market
Day range
187.125
189.88
Previous close
187.94000
Open
188.665
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Quest Diagnostics Inc
187.92
0.02
0.01%

Historical data

Prices

Date Open High Low Close % Change Volume
May 15, 2026 188.67 189.88 187.13 187.92 -0.39% 8014
May 14, 2026 190.92 192.80 187.14 187.94 -1.56% 564664
May 13, 2026 188.81 191.11 187.51 190.85 1.08% 693100
May 12, 2026 191.21 192.30 189.47 190.18 -0.54% 754900
May 11, 2026 187.36 190.45 187.13 189.81 1.31% 620700
May 08, 2026 191.71 192.20 186.23 187.39 -2.25% 762500
May 07, 2026 188.19 190.99 187.90 190.84 1.41% 739900
May 06, 2026 190.89 192.62 188.49 189.13 -0.92% 898600
May 05, 2026 191.39 191.70 189.18 190.84 -0.29% 613800
May 04, 2026 190.61 193.50 190.41 191.50 0.47% 567500
May 01, 2026 194.50 196.34 192.21 192.67 -0.94% 692000
Apr 30, 2026 190.24 195.87 189.92 194.20 2.08% 1110000
Apr 29, 2026 193.85 194.49 187.50 189.32 -2.34% 1399900
Apr 28, 2026 198.59 198.78 194.27 195.05 -1.78% 909100
Apr 27, 2026 195.91 198 195.61 196.63 0.37% 702900
Apr 24, 2026 199.99 200.07 194.46 196.27 -1.86% 1038900
Apr 23, 2026 205.28 205.66 196.96 199.53 -2.80% 1263400
Apr 22, 2026 205.37 207 198.71 204 -0.67% 1609400
Apr 21, 2026 203.25 209.79 202.13 205.04 0.88% 2426100
Apr 20, 2026 194.22 196.77 191.63 196.31 1.08% 1964300
Apr 17, 2026 190.23 196.45 190.23 195.02 2.52% 1000100
Apr 16, 2026 191.22 194.27 191.15 191.46 0.13% 987200
Apr 15, 2026 193.17 194.28 191.04 191.42 -0.91% 877700
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Main market

Exchange is currently active.
Closing in 4 hours 34 minutes

11:25
00:00
09:30
16:00
23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).