MFSB Short Volume

MFS Active Exchange Traded Funds Trust - MFS Active Core Plus Bond ETF (MFSB) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $536.5M, listed on NYSE, carrying a beta of 0.08 to the broader market. MFSB seeks total return through an actively managed, broad portfolio of debt securities. public since 2024-12-05.

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
2026-10-14
Short Volume
1.5M
Total Volume
1.5M
Short %
96.27%
30-Day Avg Short %
50.28%

Showing 30 days of FINRA short volume data for MFS Active Exchange Traded Funds Trust - MFS Active Core Plus Bond ETF.

Learn how short volume is reported and how to read the data →

Frequently asked MFSB short volume questions

What is the daily MFSB short volume?
As of Oct 14, 2026, MFS Active Exchange Traded Funds Trust - MFS Active Core Plus Bond ETF (MFSB) short volume is 1.5M shares against 1.5M total reported volume, or 96.27% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
How is MFSB 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 MFSB 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.