Janux Therapeutics, Inc. (JANX) 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.

Janux Therapeutics, Inc. (JANX) operates in the Healthcare sector, specifically the Biotechnology industry, with a market capitalization near $891.0M, listed on NASDAQ, employing roughly 91 people, carrying a beta of 2.57 to the broader market. Janux Therapeutics, Inc. Led by David Alan Campbell, public since 2021-06-11.

Snapshot as of May 15, 2026.

Spot Price
$13.86
ATM IV
53.4%
HV 20-Day
40.9%
HV 60-Day
38.5%
IV Rank
14.2%
IV Percentile
6.3%

As of May 15, 2026, Janux Therapeutics, Inc. (JANX) ATM implied volatility is 53.4%. 20-day realized volatility is 40.9%, producing an IV-HV spread of +12.5 vol points. Options are pricing in more volatility than the stock has recently delivered, the volatility risk premium. IV rank is 14.2%.

How JANX iv/hv history Data Feeds Strategy Selection

Strategy selection on Janux Therapeutics, 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 53.4% and dealer gamma exposure is negative, so dealer hedging amplifies directional moves. 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 JANX iv/hv history questions

Is JANX options pricing rich or cheap right now?
As of May 15, 2026, Janux Therapeutics, Inc. (JANX) ATM IV is 53.4% against 20-day realized volatility of 40.9%. IV rank is 14.2%. JANX options are pricing in more volatility than the stock has recently realized: a positive variance risk premium worth 12.5 vol points.
What is the JANX 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. JANX 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 JANX 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. JANX's current rank of 14.2% 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.