NPK International Inc. (NPKI) 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.
NPK International Inc. (NPKI) operates in the Energy sector, specifically the Oil & Gas Equipment & Services industry, with a market capitalization near $1.32B, listed on NYSE, employing roughly 460 people, carrying a beta of 1.30 to the broader market. NPK International Inc. Led by Matthew S. Lanigan, public since 1990-09-06.
Snapshot as of May 15, 2026.
- Spot Price
- $15.27
- ATM IV
- 82.9%
- HV 20-Day
- 54.0%
- HV 60-Day
- 43.9%
- IV Rank
- 33.3%
- IV Percentile
- 77.0%
As of May 15, 2026, NPK International Inc. (NPKI) ATM implied volatility is 82.9%. 20-day realized volatility is 54.0%, producing an IV-HV spread of +28.9 vol points. Options are pricing in more volatility than the stock has recently delivered, the volatility risk premium. IV rank is 33.3%.
How NPKI iv/hv history Data Feeds Strategy Selection
Strategy selection on NPK International 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 82.9% 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 NPKI iv/hv history questions
- Is NPKI options pricing rich or cheap right now?
- As of May 15, 2026, NPK International Inc. (NPKI) ATM IV is 82.9% against 20-day realized volatility of 54.0%. IV rank is 33.3%. NPKI options are pricing in more volatility than the stock has recently realized: a positive variance risk premium worth 28.9 vol points.
- What is the NPKI 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. NPKI 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 NPKI 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. NPKI's current rank of 33.3% 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.