NYSE · PRLB · stock

Proto Labs Inc (PRLB) stock price history

Every NYSE trading session of Proto Labs Inc from Feb 24, 2012 to Sep 28, 2026: 3,669 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

PRLB adjusted close, 2012 to 2026

PRLBProto Labs Inc
$96.90+92.3% over one year
2014201620182020202220242026
$251.49
All time high, 2021
$97.80
52 week high, $45.10 low
3,669
Daily sessions since 2012

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2012 to 2026 series and minute bars.

PRLB key facts

  • Proto Labs Inc (PRLB) closed at $96.90 on Sep 28, 2026 on NYSE.
  • PRLB's all time high close is $251.49, set on Jan 27, 2021; its all time low close is $22.09 on Nov 9, 2022.
  • PRLB's 52 week range is $45.10 to $97.80.
  • PRLB returned +92.3% over the year to Sep 28, 2026 and +42.0% over five years.
  • Over ten years PRLB returned +63%, +5.0% a year compounded.
  • PRLB's deepest drawdown was -91.2% from Jan 27, 2021 to Nov 9, 2022.
  • DataCedar holds 3,669 daily sessions of PRLB history from Feb 24, 2012 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

PRLB price chart, 2012 to 2026

PRLB adjusted close, Feb 24, 2012 to Sep 28, 2026$25.11$88.93$152.74$216.5620122014201620182020202220242026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

PRLB returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month+21.5%
3 months+20.1%
6 months+72.9%
Year to date+87.7%
1 year+92.3%
3 years+270.4%
5 years+42.0%
10 years+63.3%
Since Feb 24, 2012+234.1%
Compound annual growth, 14.6 years+8.6%

PRLB records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$251.49 on Jan 27, 2021
All time low close
$22.09 on Nov 9, 2022
52 week high
$97.80 on Sep 28, 2026
52 week low
$45.10 on Oct 31, 2025
Deepest drawdown
-91.2% from Jan 27, 2021 to Nov 9, 2022, not yet recovered
Best single session
+38.7% on Nov 1, 2024
Worst single session
-31.1% on Nov 4, 2022
Volatility, 1 year annualised
46.2%
Sessions closing higher, 1 year
53%
Growth of 1 since 2012
3.3×
Best calendar year
2017, +101%
Worst calendar year
2021, -67%

PRLB price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2012 starts on Feb 24, 2012; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$51.11$97.80$50.43$96.90+91.5%36.8M185
2025$39.55$55.90$29.59$50.59+29.4%50.5M250
2024$38.53$45.15$25.76$39.09+0.3%52.6M252
2023$25.84$40.47$23.01$38.96+52.6%49.1M250
2022$52.08$61.14$22.04$25.53-50.3%58.3M251
2021$154.72$286.57$47.57$51.35-66.5%121.7M252
2020$102.32$203.88$63.19$153.40+51.1%71.5M253
2019$110.45$130.60$88.75$101.55-10.0%44.1M252
2018$103.25$166.60$100.05$112.79+9.5%40.2M251
2017$52.20$109.10$48.00$103.00+100.6%48.5M251
2016$62.93$82.06$43.10$51.35-19.4%86.4M252
2015$67.75$79.95$57.30$63.69-5.2%62.7M252
2014$71.12$94.23$54.97$67.16-5.6%92M252
2013$40.49$89.97$37.23$71.18+80.6%115.8M252
2012$25.00$41.10$24.93$39.42n/a37.1M214

PRLB monthly closes, last 12 months

MonthMonth end closeChange
September 2026$96.90+21.0%
August 2026$80.06+6.7%
July 2026$75.05-7.9%
June 2026$81.51+7.6%
May 2026$75.76+16.9%
April 2026$64.81+13.7%
March 2026$57.02-8.2%
February 2026$62.08+17.9%
January 2026$52.65+4.1%
December 2025$50.59-0.5%
November 2025$50.82+2.1%
October 2025$49.76-0.5%

About the PRLB data

Daily bars. 3,669 sessions from Feb 24, 2012 to Sep 28, 2026, one row per NYSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 25, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are NYSE trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Feb 24, 2012, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/PRLB/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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