Proto Labs, Inc. (PRLB) NYSE

Currency In USD

PRLB Historical Return

If you invested $1000 in Proto Labs, Inc. (PRLB) 10 years ago, it would be worth $1,671.76 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,255.11, while $1000 invested 1 year ago would be worth $1,689.4. This corresponds to total returns of 67.18%, 25.51%, 68.94%, respectively, with annualized returns of 5.27%, 4.65%, 68.94%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

PRLB Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 21, 2026	88.75	89.69	89.69	90.81	87.91	174,596
October 20, 2026	86.47	87.73	87.73	88.94	85.2	201,310
October 19, 2026	86.75	87.4	87.4	87.7	85.55	139,444
October 16, 2026	87.17	85.65	85.65	88.14	84.3	180,968
October 15, 2026	87.8	87.41	87.41	88.23	84	281,149
October 14, 2026	90.28	88.97	88.97	92.29	87.91	181,554
October 13, 2026	91.28	91.82	91.82	91.89	89.5	114,888
October 12, 2026	93.49	91.6	91.6	93.97	91.25	126,475
October 09, 2026	92.66	93.84	93.84	94.62	92	140,330
October 08, 2026	92.29	92.21	92.21	93.21	91	143,984
October 07, 2026	96.25	93.27	93.27	96.7	91.41	231,086
October 06, 2026	99.65	97.28	97.28	99.96	96.39	287,585
October 05, 2026	98.04	98.68	98.68	99.37	96.29	256,198
October 02, 2026	96.13	98.21	98.21	99.42	95.49	221,072
October 01, 2026	94.57	94.37	94.37	96.14	93.61	247,362
September 30, 2026	96.15	94.85	94.85	97.39	94.85	272,451
September 29, 2026	98	95.46	95.46	98.5	95.11	214,635
September 28, 2026	95.73	96.9	96.9	97.8	95.21	284,747
September 25, 2026	92.97	96.25	96.25	96.92	92.39	255,948
September 24, 2026	88.42	92.97	92.97	95.99	88.42	461,866
September 23, 2026	89.39	89.13	89.13	89.98	87.55	175,243
September 22, 2026	88.19	89.46	89.46	90.15	88.07	182,448
September 21, 2026	89.36	87.68	87.68	90.04	86.6	255,828
September 18, 2026	86.99	87.75	87.75	87.79	84.3	456,713
September 17, 2026	85.37	86.42	86.42	86.88	83.84	315,960
September 16, 2026	80.2	83.24	83.24	85	79.92	343,158
September 15, 2026	78.83	79.09	79.09	79.31	77.88	161,493
September 11, 2026	81.38	81.98	81.98	82	80.92	102,568
September 10, 2026	80	79.75	79.75	80.66	78.67	180,286
September 09, 2026	80.38	80.89	80.89	81.52	80.33	106,527
September 08, 2026	81.86	81.03	81.03	82.55	80.73	141,371
September 04, 2026	79.91	81.44	81.44	81.91	79.84	144,957
September 03, 2026	79.08	79.53	79.53	79.69	77.05	136,813
September 02, 2026	78.5	78.59	78.59	80.31	78.42	180,444
September 01, 2026	78.59	78.49	78.49	79.6	77.92	140,163
August 31, 2026	79.76	80.06	80.06	80.27	78.83	171,057
August 28, 2026	80.3	79.74	79.74	81.29	78.61	174,451
August 27, 2026	78.04	80.1	80.1	80.66	78.04	172,471
August 26, 2026	77.35	78.85	78.85	78.85	77.19	144,371
August 25, 2026	78.46	77.6	77.6	78.62	76.55	139,706
August 24, 2026	79.72	76.78	76.78	80.19	76.4	182,794
August 21, 2026	79.68	79.61	79.61	79.68	77.78	168,218
August 20, 2026	81.15	78.79	78.79	81.15	78.05	177,757
August 19, 2026	85.68	82.08	82.08	85.83	81.3	238,604
August 18, 2026	89.55	84.88	84.88	89.55	84.7	196,209
August 17, 2026	92.09	90.86	90.86	92.29	89.73	157,415
August 14, 2026	92.01	91.87	91.87	93	90.55	140,477
August 13, 2026	91.23	92.32	92.32	92.78	89.63	184,543
August 12, 2026	92	90.8	90.8	92.17	90.22	186,784
August 11, 2026	90	90.45	90.45	91.54	90	154,160
August 10, 2026	88.94	89.66	89.66	89.92	88.66	175,206
August 07, 2026	87.94	88.91	88.91	89.37	87.94	153,723
August 06, 2026	90.02	87.91	87.91	91.98	87.37	179,954
August 05, 2026	87.46	90.31	90.31	90.56	86.25	285,540
August 04, 2026	82.2	88.4	88.4	89.17	81.83	420,395
August 03, 2026	77.3	80.25	80.25	81.22	75.79	291,815
July 31, 2026	80	75.05	75.05	83	73.47	286,605
July 30, 2026	72.77	75.14	75.14	75.72	72.77	134,429
July 29, 2026	74.4	71.35	71.35	74.83	71.29	223,244
July 28, 2026	76.87	74.88	74.88	77.75	74.79	166,676