Proto Labs Inc. (PRLB)
Showing Closing Date Range from Sep 15 to Oct 13, 2026 compared to Aug 17 to Sep 14, 2026.
Compare Last 28 Days with Previous Period
Current Period Close
$91.82
Sep 15, 2026 - Oct 13, 2026
Previous Period Close
$78.22
Aug 17, 2026 - Sep 14, 2026
Net Comparison Delta
+$13.60 (+17.39%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(20 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 13, 2026 | $91.82 | Sep 14, 2026 | $78.22 | +17.39% |
| Oct 12, 2026 | $91.60 | Sep 11, 2026 | $81.98 | +11.73% |
| Oct 09, 2026 | $93.84 | Sep 10, 2026 | $79.75 | +17.67% |
| Oct 08, 2026 | $92.21 | Sep 09, 2026 | $80.89 | +13.99% |
| Oct 07, 2026 | $93.27 | Sep 08, 2026 | $81.03 | +15.11% |
| Oct 06, 2026 | $97.28 | Sep 04, 2026 | $81.44 | +19.45% |
| Oct 05, 2026 | $98.68 | Sep 03, 2026 | $79.53 | +24.08% |
| Oct 02, 2026 | $98.21 | Sep 02, 2026 | $78.59 | +24.97% |
| Sep 30, 2026 | $94.85 | Sep 01, 2026 | $78.49 | +20.84% |
| Sep 29, 2026 | $95.46 | Aug 31, 2026 | $80.06 | +19.24% |
| Sep 28, 2026 | $96.90 | Aug 28, 2026 | $79.74 | +21.52% |
| Sep 25, 2026 | $96.25 | Aug 27, 2026 | $80.10 | +20.16% |
| Sep 24, 2026 | $92.97 | Aug 26, 2026 | $78.85 | +17.91% |
| Sep 23, 2026 | $89.13 | Aug 25, 2026 | $77.60 | +14.86% |
| Sep 22, 2026 | $89.46 | Aug 24, 2026 | $76.78 | +16.51% |
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