TRIO Short Volume

EA Series Trust - MC Trio Equity Buffered ETF (TRIO) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $121.9M, listed on CBOE, carrying a beta of 0.53 to the broader market. TRIO is a fund-of-funds designed to protect against the first 10% of losses in equity exposure, using customized put and call FLEX options. public since 2025-03-06.

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

2026-10-15

Short Volume

83

Total Volume

239

Short %

34.73%

30-Day Avg Short %

53.72%

Showing 30 days of FINRA short volume data for EA Series Trust - MC Trio Equity Buffered ETF.

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

Frequently asked TRIO short volume questions

What is the daily TRIO short volume?

As of Oct 15, 2026, EA Series Trust - MC Trio Equity Buffered ETF (TRIO) short volume is 83 shares against 239 total reported volume, or 34.73% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.

How is TRIO 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 TRIO 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.