Vanguard Short-Term Treasury ETF (VGSH) 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.

Vanguard Short-Term Treasury ETF (VGSH) operates in the Financial Services sector, specifically the Asset Management - Leveraged industry, with a market capitalization near $33.50B, listed on NASDAQ, carrying a beta of 0.24 to the broader market. Seeks to provide current income with modest price fluctuation. public since 2009-11-23.

Snapshot as of May 15, 2026.

Spot Price
$58.19
ATM IV
2.0%
HV 20-Day
1.6%
HV 60-Day
2.0%
IV Rank
0.2%
IV Percentile
10.3%

As of May 15, 2026, Vanguard Short-Term Treasury ETF (VGSH) ATM implied volatility is 2.0%. 20-day realized volatility is 1.6%, producing an IV-HV spread of +0.4 vol points. Options are pricing in more volatility than the stock has recently delivered, the volatility risk premium. IV rank is 0.2%.

How VGSH iv/hv history Data Feeds Strategy Selection

Strategy selection on Vanguard Short-Term Treasury ETF 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 2.0% 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 VGSH iv/hv history questions

Is VGSH options pricing rich or cheap right now?
As of May 15, 2026, Vanguard Short-Term Treasury ETF (VGSH) ATM IV is 2.0% against 20-day realized volatility of 1.6%. IV rank is 0.2%. VGSH options are pricing in more volatility than the stock has recently realized: a positive variance risk premium worth 0.4 vol points.
What is the VGSH 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. VGSH 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 VGSH 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. VGSH's current rank of 0.2% 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.