VOO Short Volume
Vanguard S&P 500 ETF (VOO) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $1.71T, listed on AMEX, carrying a beta of 1.01 to the broader market. The fund employs an indexing investment approach designed to track the performance of the Standard & Poor's 500 Index, a widely recognized benchmark of U. public since 2010-09-07.
Short volume measures the number of shares sold short on a given day as reported by FINRA. Tracking short volume relative to total volume helps identify unusual bearish sentiment or short-squeeze potential.
- Latest Date
- 2026-09-30
- Short Volume
- 2.1M
- Total Volume
- 3.4M
- Short %
- 61.42%
- 30-Day Avg Short %
- 53.36%
Showing 30 days of FINRA short volume data for Vanguard S&P 500 ETF.
Learn how short volume is reported and how to read the data →
VOO most-active contracts
| Type | Strike | Expiration | Volume | OI | IV | Bid | Ask |
|---|---|---|---|---|---|---|---|
| CALL | $750.00 | Jun 17, 2027 | 2.7K | 123 | 14.3% | $23.50 | $24.90 |
Top 1 contracts from the institutional-grade nightly options scan; ranked by volume within the broader S&P 500/400/600 + ETF universe.
Frequently asked VOO short volume questions
- What is the daily VOO short volume?
- As of Sep 30, 2026, Vanguard S&P 500 ETF (VOO) short volume is 2.1M shares against 3.4M total reported volume, or 61.42% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is VOO short volume reported?
- FINRA publishes the Daily Short Sale Volume File for trades reported to FINRA TRFs and the FINRA/Nasdaq ADF on a T+1 basis. The headline figure is the count of shares that printed at the short-sale or short-exempt tick across all reporting venues for the symbol; each exchange separately publishes its own daily short-sale data file.
- What does VOO short volume tell options traders?
- Daily short-sale flow is one input that helps disambiguate dealer-hedging activity from directional bear flow when the chain shows fresh customer call inventory. It is not a clean MM-only proxy: the headline number mixes directional shorting, options-MM delta-hedging, ETF-creation arbitrage, and convertible-arb hedging. Cross-check against gamma-exposure and OI changes for a cleaner read.