Pacific Biosciences of California, Inc. (PACB) 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.

Pacific Biosciences of California, Inc. (PACB) operates in the Healthcare sector, specifically the Medical - Devices industry, with a market capitalization near $394.5M, listed on NASDAQ, employing roughly 575 people, carrying a beta of 2.40 to the broader market. Pacific Biosciences of California, Inc. Led by Christian O. Henry, public since 2010-10-27.

Snapshot as of May 15, 2026.

Spot Price
$1.13
ATM IV
79.4%
HV 20-Day
100.5%
HV 60-Day
85.2%
IV Rank
15.1%
IV Percentile
19.8%

As of May 15, 2026, Pacific Biosciences of California, Inc. (PACB) ATM implied volatility is 79.4%. 20-day realized volatility is 100.5%, producing an IV-HV spread of -21.1 vol points. Realized volatility currently exceeds implied, an inversion that can signal a pending IV expansion. IV rank is 15.1%.

How PACB iv/hv history Data Feeds Strategy Selection

Strategy selection on Pacific Biosciences of California, 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 79.4% 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 PACB iv/hv history questions

Is PACB options pricing rich or cheap right now?
As of May 15, 2026, Pacific Biosciences of California, Inc. (PACB) ATM IV is 79.4% against 20-day realized volatility of 100.5%. IV rank is 15.1%. Realized volatility currently exceeds implied: an inversion of the typical equity volatility risk premium that often precedes IV expansion.
What is the PACB 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. PACB is currently pricing inverted to the historical pattern, which is one input to whether short-vol or long-vol structures carry their typical edge.
What does PACB 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. PACB's current rank of 15.1% 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.