SPMD Short Volume
State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $16.82B, listed on AMEX, carrying a beta of 1.08 to the broader market. The State Street SPDR Portfolio S&P 400 Mid Cap ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P MidCap 400 Index (the "Index")A low-cost ETF that seeks to offer precise, comprehensive exposure to mid cap US equitiesThe Index is float-adjusted and market capitalization weightedOne of the low-cost core State Street SPDR Portfolio ETFs, a suite of portfolio building blocks designed to provide broad, diversified exposure to core asset classes public since 2013-07-09.
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
- 2026-05-15
- Short Volume
- 445.1K
- Total Volume
- 977.5K
- Short %
- 45.54%
- 30-Day Avg Short %
- 64.23%
Showing 30 days of FINRA short volume data for State Street SPDR Portfolio S&P 400 Mid Cap ETF.
Learn how short volume is reported and how to read the data →
Frequently asked SPMD short volume questions
- What is the daily SPMD short volume?
- As of May 15, 2026, State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) short volume is 445.1K shares against 977.5K total reported volume, or 45.54% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is SPMD 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 SPMD 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.