Proto Labs, Inc. (PRLB) IV/HV History

Comparing implied volatility to historical (realized) volatility reveals whether options are priced rich or cheap relative to actual price movement. Persistent gaps can signal trading opportunities.

Proto Labs, Inc. (PRLB) operates in the Industrials sector, specifically the Manufacturing - Metal Fabrication industry, with a market capitalization near $1.71B, listed on NYSE, employing roughly 2,357 people, carrying a beta of 1.36 to the broader market. Proto Labs, Inc. Led by Suresh Krishna, public since 2012-02-24.

Snapshot as of May 14, 2026.

Spot Price
$71.94
ATM IV
37.1%
HV 20-Day
30.7%
HV 60-Day
61.4%
IV Rank
26.9%
IV Percentile
40.1%

As of May 14, 2026, Proto Labs, Inc. (PRLB) ATM implied volatility is 37.1%. 20-day realized volatility is 30.7%, producing an IV-HV spread of +6.4 vol points. Options are pricing in more volatility than the stock has recently delivered, the volatility risk premium. IV rank is 26.9%.

How PRLB iv/hv history Data Feeds Strategy Selection

Strategy selection on Proto Labs, Inc. options does not derive from any single metric in isolation. The iv/hv history view above sits inside a broader read: ATM IV currently sits at 37.1% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the iv/hv history data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.

Learn how implied vs realized volatility is reported and how to read the data →

Frequently asked PRLB iv/hv history questions

Is PRLB options pricing rich or cheap right now?
As of May 14, 2026, Proto Labs, Inc. (PRLB) ATM IV is 37.1% against 20-day realized volatility of 30.7%. IV rank is 26.9%. PRLB options are pricing in more volatility than the stock has recently realized: a positive variance risk premium worth 6.4 vol points.
What is the PRLB variance risk premium?
The variance risk premium is the persistent gap between implied and subsequently realized volatility. In equity markets it averages positive because option sellers demand compensation for bearing variance shocks. PRLB is currently priced consistently with this premium, which is one input to whether short-vol or long-vol structures carry their typical edge.
What does PRLB IV rank mean for strategy selection?
IV rank normalizes the current ATM IV to its 1-year range: 0% is the low, 100% is the high. PRLB's current rank of 26.9% signals where current pricing sits in its own 1-year history. High-rank regimes typically favor premium-selling structures (credit spreads, condors, covered calls); low-rank regimes typically favor premium-buying or long-volatility structures.