PRTO Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 15, 2026	27.15	27.15	27.15	27.15	27.15	1.08%	84
Oct 14, 2026	26.86	26.86	26.86	26.86	26.86	-1.53%	28
Oct 13, 2026	27.28	27.28	27.28	27.28	27.28	-0.04%	118
Oct 12, 2026	27.29	27.29	27.29	27.29	27.29	-0.34%	18
Oct 9, 2026	27.35	27.38	27.35	27.38	27.38	0.59%	393
Oct 8, 2026	27.22	27.22	27.22	27.22	27.22	0.10%	716
Oct 7, 2026	27.27	27.27	27.16	27.19	27.19	-1.10%	671
Oct 6, 2026	27.49	27.50	27.49	27.50	27.49	0.17%	226
Oct 5, 2026	27.45	27.45	27.45	27.45	27.45	0.35%	17
Oct 2, 2026	27.35	27.35	27.35	27.35	27.35	0.49%	44
Oct 1, 2026	27.20	27.22	27.20	27.22	27.22	0.32%	511
Sep 30, 2026	27.15	27.15	27.13	27.13	27.13	-0.18%	362
Sep 29, 2026	27.18	27.18	27.18	27.18	27.18	-0.01%	35
Sep 28, 2026	27.18	27.18	27.18	27.18	27.18	-1.42%	112
Sep 25, 2026	27.60	27.60	27.58	27.58	27.58	0.22%	311
Sep 24, 2026	27.41	27.51	27.39	27.51	27.51	-0.15%	730
Sep 23, 2026	27.73	27.73	27.55	27.55	27.55	-1.26%	1,020
Sep 22, 2026	27.91	27.91	27.91	27.91	27.91	0.40%	11
Sep 21, 2026	27.80	27.80	27.80	27.80	27.79	0.60%	11
Sep 18, 2026	27.56	27.63	27.56	27.63	27.63	0.04%	419
Sep 17, 2026	27.61	27.64	27.61	27.62	27.62	1.02%	1,232
Sep 16, 2026	27.34	27.34	27.34	27.34	27.34	-0.50%	11
Sep 15, 2026	27.48	27.48	27.48	27.48	27.48	-0.35%	43
Sep 14, 2026	27.58	27.58	27.58	27.58	27.58	-0.75%	216
Sep 11, 2026	27.78	27.78	27.78	27.78	27.78	0.42%	11
Sep 10, 2026	27.81	27.81	27.67	27.67	27.67	-0.91%	1,143
Sep 9, 2026	27.92	27.92	27.92	27.92	27.92	-0.37%	12
Sep 8, 2026	28.10	28.11	28.03	28.03	28.03	-0.55%	498
Sep 4, 2026	28.18	28.18	28.18	28.18	28.18	0.08%	8
Sep 3, 2026	28.16	28.16	28.16	28.16	28.16	0.76%	10
Sep 2, 2026	27.95	27.95	27.95	27.95	27.95	0.80%	8
Sep 1, 2026	27.73	27.73	27.73	27.73	27.73	-1.28%	12
Aug 31, 2026	28.12	28.12	27.95	28.09	28.09	-0.22%	940
Aug 28, 2026	28.37	28.37	28.15	28.15	28.15	-1.32%	734
Aug 27, 2026	28.50	28.53	28.50	28.53	28.53	0.53%	309
Aug 26, 2026	28.38	28.38	28.38	28.38	28.38	-0.34%	16
Aug 25, 2026	28.41	28.47	28.41	28.47	28.47	0.25%	108
Aug 24, 2026	28.43	28.44	28.33	28.40	28.40	-0.44%	812
Aug 21, 2026	28.43	28.53	28.43	28.53	28.53	0.83%	109
Aug 20, 2026	28.33	28.33	28.29	28.29	28.29	-0.50%	224
Aug 19, 2026	28.44	28.54	28.44	28.44	28.44	0.81%	609
Aug 18, 2026	28.52	28.52	28.21	28.21	28.21	-1.31%	213
Aug 17, 2026	28.58	28.58	28.58	28.58	28.58	0.22%	15
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