Vanguard S&P Small-Cap 600 Growth ETF (VIOG) Open Interest History

Open interest tracks the total number of outstanding options contracts. Rising OI alongside price moves can indicate growing commitment to the trend; declining OI suggests positions are being closed.

Vanguard S&P Small-Cap 600 Growth ETF (VIOG) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $929.8M, listed on AMEX, carrying a beta of 1.18 to the broader market. Invests in stocks in the S&P Small-Cap 600 Growth Index, composed of the growth companies in the S&P 600. public since 2010-09-09.

Snapshot as of May 15, 2026.

Spot Price
$136.49
Call OI
45
Put OI
0
Total OI
45

As of May 15, 2026, Vanguard S&P Small-Cap 600 Growth ETF (VIOG) has 45 total contracts outstanding across all expirations. Put/call OI ratio is 0.00 (call-heavy positioning). Open interest reflects accumulated positions from prior sessions; persistent growth indicates sustained directional or hedging interest, while sharp drops typically mean post-expiration clean-up.

How VIOG open interest history Data Feeds Strategy Selection

Strategy selection on Vanguard S&P Small-Cap 600 Growth ETF options does not derive from any single metric in isolation. The open interest history view above sits inside a broader read: ATM IV currently sits at 23.3% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the open interest 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 open interest is reported and how to read the data →

Frequently asked VIOG open interest history questions

What is the current VIOG options open interest?
As of May 15, 2026, Vanguard S&P Small-Cap 600 Growth ETF (VIOG) has 45 total contracts outstanding across all listed expirations, split as 45 calls and 0 puts. Open interest reflects accumulated positions from prior trading sessions; it does not include today's volume until end-of-day reconciliation.
What is the VIOG put/call open interest ratio?
Put/call OI ratio of 0.00 is call-heavy, often a directional bullish or upside-speculation signal.
What does VIOG open interest tell traders?
Persistent OI growth indicates sustained directional or hedging interest; sharp drops typically mean post-expiration position cleanup. Heavy OI concentrations at specific strikes act as support and resistance levels because dealer hedging amplifies near those strikes - the gamma profile of the dealer book is concentrated there. Comparing today's volume to standing OI separates opening flow from closing flow.