PRTO Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 14, 2026	28.52	28.52	28.52	28.52	28.52	0.34%	7
Aug 13, 2026	28.42	28.42	28.42	28.42	28.42	0.11%	7
Aug 12, 2026	28.39	28.39	28.39	28.39	28.39	0.73%	7
Aug 11, 2026	28.18	28.18	28.18	28.18	28.18	0.11%	8
Aug 10, 2026	28.15	28.15	28.15	28.15	28.15	0.06%	7
Aug 7, 2026	28.14	28.15	28.14	28.14	28.14	1.18%	531
Aug 6, 2026	27.81	27.81	27.81	27.81	27.81	-0.38%	7
Aug 5, 2026	27.92	27.92	27.92	27.92	27.91	0.23%	21
Aug 4, 2026	27.60	27.85	27.60	27.85	27.85	1.79%	532
Aug 3, 2026	27.36	27.36	27.36	27.36	27.36	0.88%	6
Jul 31, 2026	27.10	27.18	27.10	27.12	27.12	-0.24%	340
Jul 30, 2026	27.09	27.19	27.09	27.19	27.19	1.60%	106
Jul 29, 2026	26.91	27.06	26.76	26.76	26.76	-1.02%	8,613
Jul 28, 2026	27.04	27.04	27.04	27.04	27.04	-0.52%	6
Jul 27, 2026	27.18	27.18	27.18	27.18	27.18	0.04%	6
Jul 24, 2026	27.17	27.17	27.17	27.17	27.17	-0.29%	16
Jul 23, 2026	27.23	27.24	27.23	27.24	27.24	-0.88%	760
Jul 22, 2026	27.57	27.57	27.48	27.48	27.48	0.11%	14,284
Jul 21, 2026	27.38	27.46	27.38	27.46	27.45	1.53%	14,457
Jul 20, 2026	27.06	27.11	27.04	27.04	27.04	-0.41%	717
Jul 17, 2026	27.22	27.25	27.15	27.15	27.15	-0.19%	793
Jul 16, 2026	27.30	27.30	27.19	27.21	27.20	-0.75%	3,006
Jul 15, 2026	27.41	27.41	27.41	27.41	27.41	0.03%	109
Jul 14, 2026	27.41	27.41	27.38	27.40	27.40	0.65%	406
Jul 13, 2026	27.23	27.23	27.23	27.23	27.23	-1.28%	6
Jul 10, 2026	27.60	27.60	27.58	27.58	27.58	-0.16%	407
Jul 9, 2026	27.62	27.62	27.62	27.62	27.62	1.05%	6
Jul 8, 2026	27.31	27.34	27.24	27.34	27.34	-0.58%	1,208
Jul 7, 2026	27.78	27.78	27.50	27.50	27.50	-1.06%	1,216
Jul 6, 2026	27.79	27.79	27.79	27.79	27.79	0.81%	6
Jul 2, 2026	27.57	27.57	27.57	27.57	27.57	-0.29%	7
Jul 1, 2026	27.65	27.65	27.65	27.65	27.65	-0.49%	6
Jun 30, 2026	27.78	27.78	27.78	27.78	27.78	0.81%	7
Jun 29, 2026	27.56	27.56	27.56	27.56	27.56	0.11%	66
Jun 26, 2026	27.53	27.53	27.53	27.53	27.53	-0.02%	2
Jun 25, 2026	27.53	27.53	27.50	27.53	27.53	1.12%	225
Jun 24, 2026	27.27	27.28	27.23	27.23	27.23	-0.81%	402
Jun 23, 2026	27.58	27.58	27.45	27.45	27.45	-1.49%	890
Jun 22, 2026	27.87	27.87	27.87	27.87	27.87	0.19%	100
Jun 18, 2026	27.81	27.81	27.81	27.81	27.81	1.21%	1
Jun 17, 2026	27.90	27.90	27.48	27.48	27.48	-1.36%	1,000
Jun 16, 2026	28.11	28.11	27.86	27.86	27.86	-0.50%	2,341
Jun 15, 2026	28.15	28.16	28.00	28.00	28.00	1.25%	801
Jun 12, 2026	27.65	27.65	27.65	27.65	27.65	0.57%	-
Jun 11, 2026	27.50	27.50	27.50	27.50	27.50	2.50%	-
Jun 10, 2026	27.28	27.28	26.83	26.83	26.82	-1.47%	2,443
Jun 9, 2026	27.52	27.52	26.83	27.23	27.23	-0.45%	9,047
Jun 8, 2026	27.38	27.50	27.35	27.35	27.35	0.54%	6,492
Jun 5, 2026	27.83	27.83	27.14	27.20	27.20	-3.01%	18,453
Jun 4, 2026	28.02	28.05	28.02	28.05	28.05	0.61%	1,000