Proto Labs, Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-20 | 86.938 | 88.130 | 85.910 | 87.810 | 87.810 | 272 |
| 2026-10-19 | 85.340 | 89.540 | 85.340 | 86.950 | 86.950 | 34 |
| 2026-10-16 | 88.500 | 88.500 | 85.050 | 85.050 | 85.050 | 77 |
| 2026-10-15 | 87.000 | 87.750 | 84.410 | 85.820 | 85.820 | 214 |
| 2026-10-14 | 91.820 | 92.310 | 87.850 | 87.850 | 87.850 | 22 |
| 2026-10-13 | 93.400 | 93.400 | 89.240 | 90.150 | 90.150 | 1,014 |
| 2026-10-12 | 90.960 | 95.980 | 90.960 | 92.914 | 92.914 | 132 |
| 2026-10-09 | 96.420 | 96.420 | 91.650 | 93.890 | 93.890 | 69 |
| 2026-10-08 | 89.780 | 93.360 | 89.780 | 91.980 | 91.980 | 326 |
| 2026-10-07 | 96.250 | 99.700 | 91.650 | 92.210 | 92.210 | 226 |
| 2026-10-06 | 99.926 | 100.00 | 97.800 | 97.800 | 97.800 | 205 |
| 2026-10-05 | 102.90 | 102.90 | 95.330 | 97.400 | 97.400 | 36 |
| 2026-10-02 | 97.990 | 99.420 | 94.410 | 98.183 | 98.183 | 379 |
| 2026-10-01 | 94.850 | 96.170 | 93.887 | 94.120 | 94.120 | 234 |
| 2026-09-30 | 99.000 | 99.000 | 94.540 | 96.470 | 96.470 | 39 |
| 2026-09-29 | 98.000 | 98.680 | 95.190 | 95.250 | 95.250 | 485 |
| 2026-09-28 | 96.150 | 98.860 | 94.350 | 97.190 | 97.190 | 44 |
| 2026-09-25 | 92.970 | 95.565 | 92.970 | 95.460 | 95.460 | 1,230 |
| 2026-09-24 | 86.610 | 95.865 | 86.610 | 94.330 | 94.330 | 610 |
| 2026-09-23 | 86.600 | 90.470 | 86.600 | 88.050 | 88.050 | 200 |
| 2026-09-22 | 87.220 | 90.020 | 86.610 | 90.020 | 90.020 | 262 |
| 2026-09-21 | 90.480 | 90.500 | 87.210 | 87.210 | 87.210 | 22 |
| 2026-09-18 | 87.050 | 87.380 | 84.390 | 85.660 | 85.660 | 310 |
| 2026-09-17 | 85.200 | 86.800 | 83.920 | 86.800 | 86.800 | 339 |
| 2026-09-16 | 79.090 | 84.250 | 79.090 | 83.630 | 83.630 | 923 |
| 2026-09-15 | 79.690 | 79.690 | 77.420 | 78.260 | 78.260 | 100 |
| 2026-09-14 | 81.500 | 81.890 | 77.900 | 77.900 | 77.900 | 150 |
| 2026-09-11 | 82.450 | 82.450 | 81.000 | 81.170 | 81.170 | 209 |
| 2026-09-10 | 79.360 | 83.450 | 79.360 | 80.160 | 80.160 | 8 |
| 2026-09-09 | 79.140 | 81.760 | 78.410 | 80.310 | 80.310 | 0 |
| 2026-09-08 | 83.000 | 85.000 | 80.700 | 81.670 | 81.670 | 566 |
| 2026-09-04 | 80.730 | 80.960 | 79.120 | 80.960 | 80.960 | 2 |
| 2026-09-03 | 78.500 | 79.980 | 77.330 | 79.140 | 79.140 | 304 |
| 2026-09-02 | 77.612 | 80.660 | 77.610 | 79.360 | 79.360 | 32 |
| 2026-09-01 | 78.695 | 79.970 | 77.500 | 78.330 | 78.330 | 41 |
| 2026-08-31 | 83.120 | 83.120 | 77.150 | 79.130 | 79.130 | 8 |
| 2026-08-28 | 81.120 | 81.120 | 78.660 | 78.660 | 78.660 | 1 |
| 2026-08-27 | 79.540 | 80.160 | 78.330 | 80.160 | 80.160 | 9 |
| 2026-08-26 | 79.420 | 80.160 | 76.890 | 78.630 | 78.630 | 71 |
| 2026-08-25 | 77.710 | 79.150 | 76.810 | 77.160 | 77.160 | 5 |
| 2026-08-24 | 79.941 | 82.250 | 77.620 | 78.340 | 78.340 | 9 |
| 2026-08-21 | 78.570 | 81.070 | 77.940 | 78.690 | 78.690 | 1 |
| 2026-08-20 | 81.500 | 82.250 | 78.580 | 78.860 | 78.860 | 300 |
| 2026-08-19 | 83.990 | 86.580 | 81.300 | 82.760 | 82.760 | 180 |
| 2026-08-18 | 90.860 | 90.860 | 85.599 | 85.599 | 85.599 | 461 |
| 2026-08-17 | 89.130 | 93.730 | 89.130 | 90.760 | 90.760 | 49 |
| 2026-08-14 | 93.230 | 93.530 | 90.690 | 91.680 | 91.680 | 6 |
| 2026-08-13 | 90.680 | 92.690 | 90.280 | 91.900 | 91.900 | 364 |
| 2026-08-12 | 88.790 | 92.170 | 87.540 | 90.270 | 90.270 | 17 |
| 2026-08-11 | 88.970 | 91.540 | 88.970 | 91.540 | 91.540 | 34 |
| 2026-08-10 | 85.780 | 90.000 | 85.780 | 89.600 | 89.600 | 204 |
| 2026-08-07 | 86.170 | 90.750 | 86.170 | 88.540 | 88.540 | 8 |
| 2026-08-06 | 89.410 | 91.415 | 88.490 | 88.490 | 88.490 | 332 |
| 2026-08-05 | 90.450 | 91.000 | 86.020 | 89.490 | 89.490 | 169 |
| 2026-08-04 | 82.000 | 88.740 | 81.000 | 88.460 | 88.460 | 35 |
| 2026-08-03 | 76.690 | 80.705 | 72.890 | 80.705 | 80.705 | 6 |
| 2026-07-31 | 79.988 | 82.990 | 74.310 | 74.310 | 74.310 | 50 |
| 2026-07-30 | 73.760 | 75.240 | 73.760 | 75.240 | 75.240 | 3 |
| 2026-07-29 | 75.540 | 75.540 | 71.460 | 71.460 | 71.460 | 84 |
| 2026-07-28 | 74.290 | 80.000 | 74.290 | 75.300 | 75.300 | 262 |
Page 1 of 2 · 65 trading daysOlder →
Stock splits
No stock splits on record.
Dividends
No dividends on record.
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.