PRLB: Proto Labs Inc.

As of Friday, August 21st, 2026

$ 79.61

+0.82 +1.04%

Open: 79.68
High: 79.68
Low: 77.78
Volume: 168,208
Previous Close on Thursday, August 20th, 2026

$ 78.79

-3.29 -4.01%

Open: 81.15
High: 81.15
Low: 78.05
Volume: 177,753

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-08-21 79.68 79.68 77.78 79.61 168,208 +0.82 +1.04
2026-08-20 81.15 81.15 78.05 78.79 177,753 -3.29 -4.01
2026-08-19 85.68 85.83 81.30 82.08 238,598 -2.80 -3.30
2026-08-18 89.55 89.55 84.70 84.88 196,196 -5.98 -6.58
2026-08-17 92.09 92.29 89.73 90.86 157,407 -1.01 -1.10
2026-08-14 92.01 93.00 90.55 91.87 140,474 -0.45 -0.49
2026-08-13 91.23 92.78 89.63 92.32 18,453 +1.52 +1.67
2026-08-12 92.00 92.17 90.22 90.80 18,242 +0.35 +0.39
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Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 92.29
On 2026-08-17		 77.78
On 2026-08-21		 -12.26 -13.34 92.29
On 2026-08-17		 77.78
On 2026-08-21		 -15.72 83.24
10D 93.00
On 2026-08-14		 77.78
On 2026-08-21		 -9.30 -10.46 93.00
On 2026-08-14		 77.78
On 2026-08-21		 -16.37 87.13
20D 93.00
On 2026-08-14		 71.29
On 2026-07-29		 1.37 1.75 93.00
On 2026-08-14		 77.78
On 2026-08-21		 -16.37 84.06
WTD 92.29
On 2026-08-17		 77.78
On 2026-08-21		 -12.26 -13.34 92.29
On 2026-08-17		 77.78
On 2026-08-21		 -15.72 83.24
MTD 93.00
On 2026-08-14		 75.79
On 2026-08-03		 4.56 6.08 93.00
On 2026-08-14		 77.78
On 2026-08-21		 -16.37 87.14
As of Friday, August 21st, 2026
 
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Markets
Ticker Last Chg %Chg Volume
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53,277.01 +517.80 +0.98 420,929,349
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VIX

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CBOE S&P 500 6-Month Volatility Index

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PRLB

Proto Labs Inc.

79.61 +0.82 +1.04 168,208