TRN Short Volume
Trinity Industries, Inc. (TRN) operates in the Industrials sector, specifically the Railroads industry, with a market capitalization near $2.87B, listed on NYSE, employing roughly 7,380 people, carrying a beta of 1.36 to the broader market. Trinity Industries, Inc. Led by E. Jean Savage, public since 1973-05-03.
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
- 2026-06-30
- Short Volume
- 71.6K
- Total Volume
- 108.0K
- Short %
- 66.26%
- 30-Day Avg Short %
- 62.85%
Showing 30 days of FINRA short volume data for Trinity Industries, Inc..
Learn how short volume is reported and how to read the data →
TRN most-active contracts
| Type | Strike | Expiration | Volume | OI | IV | Bid | Ask |
|---|---|---|---|---|---|---|---|
| PUT | $34.00 | Jul 17, 2026 | 14 | 4.1K | 41.6% | $0.85 | $1.25 |
Top 1 contracts from the institutional-grade nightly options scan; ranked by volume within the broader S&P 500/400/600 + ETF universe.
Frequently asked TRN short volume questions
- What is the daily TRN short volume?
- As of Jun 30, 2026, Trinity Industries, Inc. (TRN) short volume is 71.6K shares against 108.0K total reported volume, or 66.26% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is TRN 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 TRN 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.