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Proteostasis Therapeutics, Inc. Common Stock Historical Stock Prices

PTI 
$4.235
*  
0.065
1.56%
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*Delayed - data as of Mar. 19, 2019 15:02 ET  -  Find a broker to begin trading PTI now
Exchange:NASDAQ
Industry: Health Care
Community Rating:
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Visit our historical Nasdaq Official Close Price (NOCP) page to view the history.

Get up to 10 years of daily historical stock prices & volumes.

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Results for: 3 Month, From 18-DEC-2018 TO 18-MAR-2019

Date Open High "High" is the highest sales price the stock has achieved during the regular trading hours, the intra-day high. Low "Low" is the lowest sales price the stock has fallen to during the regular trading hours, the intra-day low. Close / Last "Close" is the period at the end of the trading session. Sometimes used to refer to closing price. Volume "Volume" The closing daily official volumes represented graphically for each trading day.
15:02 4.22 4.31 4.05 4.235 864,034
03/18/2019 4.12 4.2 3.99 4.17 1,064,030
03/15/2019 3.98 4.17 3.97 4.11 1,255,415
03/14/2019 4.07 4.24 3.93 3.98 800,790
03/13/2019 4.05 4.22 4 4.06 632,087
03/12/2019 4.15 4.22 4 4.01 900,657
03/11/2019 4.01 4.15 3.97 4.15 720,520
03/08/2019 3.95 4.135 3.91 4.03 412,965
03/07/2019 4.1 4.1 3.94 3.99 906,605
03/06/2019 4.42 4.45 4 4.07 1,010,415
03/05/2019 4.5 4.59 4.23 4.44 1,111,588
03/04/2019 4.33 4.57 4.27 4.46 1,120,008
03/01/2019 4.15 4.33 3.93 4.3 1,125,430
02/28/2019 4.1 4.23 3.86 4.12 1,083,732
02/27/2019 4.32 4.406 4.05 4.12 954,319
02/26/2019 4.09 4.39 3.99 4.35 892,946
02/25/2019 4.09 4.22 3.98 4.08 501,577
02/22/2019 4.04 4.07 3.95 4.04 449,520
02/21/2019 4.03 4.09 3.87 3.99 678,925
02/20/2019 4.15 4.22 3.935 4.03 1,199,421
02/19/2019 4.07 4.25 4 4.15 627,558
02/15/2019 4.16 4.25 3.98 4.07 723,830
02/14/2019 3.93 4.23 3.85 4.14 1,568,133
02/13/2019 3.73 4.02 3.6723 3.93 1,079,022
02/12/2019 3.9 4.09 3.7 3.75 2,551,377
02/11/2019 3.25 4.44 3.21 3.91 8,404,775
02/08/2019 3.08 3.23 2.975 3.21 688,234
02/07/2019 3.3 3.4399 3.01 3.09 1,137,089
02/06/2019 3.12 3.91 3.1 3.27 4,575,536
02/05/2019 3 3.16 2.96 3.11 490,211
02/04/2019 3.03 3.0752 2.95 2.99 447,826
02/01/2019 3.02 3.17 2.95 3 910,810
01/31/2019 3 3.08 2.96 3.02 390,410
01/30/2019 3.03 3.06 2.95 3.03 360,412
01/29/2019 2.91 3.08 2.8793 2.99 303,804
01/28/2019 2.98 3.01 2.85 2.89 371,441
01/25/2019 2.9 3.17 2.83 2.99 926,143
01/24/2019 2.91 2.95 2.83 2.89 273,378
01/23/2019 2.91 3.02 2.85 2.91 471,577
01/22/2019 3.11 3.11 2.875 2.91 919,471
01/18/2019 3.15 3.16 3.02 3.12 528,074
01/17/2019 3.15 3.19 3.08 3.16 314,828
01/16/2019 3.18 3.25 3.11 3.17 579,328
01/15/2019 3.42 3.42 3.06 3.16 547,037
01/14/2019 3.9 3.9 3.141 3.34 1,657,339
01/11/2019 3.73 3.95 3.71 3.93 1,149,866
01/10/2019 3.67 3.82 3.56 3.71 1,054,523
01/09/2019 3.68 3.76 3.5601 3.69 291,381
01/08/2019 3.75 3.81 3.51 3.67 464,810
01/07/2019 3.67 4.14 3.65 3.71 1,344,995
01/04/2019 3.45 3.74 3.38 3.63 391,032
01/03/2019 3.44 3.56 3.34 3.4 715,186
01/02/2019 3.18 3.575 3.13 3.47 668,953
12/31/2018 2.99 3.3 2.85 3.24 813,815
12/28/2018 3.01 3.08 2.7101 2.94 792,403
12/27/2018 3.2 3.3404 2.71 2.94 1,172,720
12/26/2018 3.57 3.77 3.2 3.24 641,973
12/24/2018 3.96 4.12 3.515 3.57 365,598
12/21/2018 3.28 4.18 3.2204 4.07 3,318,734
12/20/2018 4.34 4.5 4.07 4.11 804,320
12/19/2018 4.4 4.54 4.32 4.39 836,966
12/18/2018 4.54 4.57 3.93 4.47 1,356,373
*This data reflects the latest intra-day delayed pricing.
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