MAPP Short Volume

Harbor Multi-Asset Explorer ETF​ (MAPP) (MAPP) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $8.2M, listed on AMEX, carrying a beta of 0.61 to the broader market. To seek to achieve the fund’s investment objective, Harbor Capital Advisors Inc. public since 2023-09-14.

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
2026-05-29
Short Volume
10
Total Volume
10
Short %
100.00%
30-Day Avg Short %
60.97%

Showing 30 days of FINRA short volume data for Harbor Multi-Asset Explorer ETF​ (MAPP).

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

Frequently asked MAPP short volume questions

What is the daily MAPP short volume?
As of May 29, 2026, Harbor Multi-Asset Explorer ETF​ (MAPP) (MAPP) short volume is 10 shares against 10 total reported volume, or 100.00% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
How is MAPP 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 MAPP 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.