SPY Short Volume
State Street SPDR S&P 500 ETF (SPY) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $776.61B, listed on AMEX, carrying a beta of 1.00 to the broader market. SPY is the best-recognized and oldest US listed ETF and typically tops rankings for largest AUM and greatest trading volume. public since 1993-01-29.
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
- 2026-07-07
- Short Volume
- 7.8M
- Total Volume
- 13.6M
- Short %
- 57.03%
- 30-Day Avg Short %
- 50.16%
Showing 30 days of FINRA short volume data for State Street SPDR S&P 500 ETF.
Learn how short volume is reported and how to read the data →
SPY most-active contracts
| Type | Strike | Expiration | Volume | OI | IV | Bid | Ask |
|---|---|---|---|---|---|---|---|
| CALL | $752.00 | Jul 7, 2026 | 108.1K | 2.4K | 9.6% | $1.59 | $1.60 |
| PUT | $750.00 | Jul 7, 2026 | 107.9K | 2.3K | 10.6% | $0.80 | $0.81 |
| CALL | $751.00 | Jul 7, 2026 | 97.7K | 2.3K | 10.1% | $2.21 | $2.25 |
| CALL | $750.00 | Jul 7, 2026 | 89.3K | 5.5K | 10.6% | $2.93 | $2.97 |
| CALL | $753.00 | Jul 7, 2026 | 72.6K | 2.9K | 9.3% | $1.09 | $1.10 |
| PUT | $714.00 | Jul 17, 2026 | 65.2K | 40.9K | 18.2% | $0.43 | $0.44 |
| PUT | $748.00 | Jul 7, 2026 | 64.8K | 5.8K | 11.7% | $0.45 | $0.46 |
| PUT | $751.00 | Jul 7, 2026 | 62.1K | 551 | 10.1% | $1.08 | $1.09 |
| PUT | $749.00 | Jul 7, 2026 | 61.6K | 729 | 11.1% | $0.60 | $0.61 |
| PUT | $745.00 | Jul 7, 2026 | 52.7K | 16.5K | 13.4% | $0.21 | $0.22 |
Top 10 contracts from the institutional-grade nightly options scan; ranked by volume within the broader S&P 500/400/600 + ETF universe.
Frequently asked SPY short volume questions
- What is the daily SPY short volume?
- As of Jul 7, 2026, State Street SPDR S&P 500 ETF (SPY) short volume is 7.8M shares against 13.6M total reported volume, or 57.03% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is SPY 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 SPY 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.