MTZ Short Volume
MasTec, Inc. (MTZ) operates in the Industrials sector, specifically the Engineering & Construction industry, with a market capitalization near $23.90B, listed on NYSE, employing roughly 37,000 people, carrying a beta of 1.84 to the broader market. MasTec, Inc. Led by Jose Ramon Mas, public since 1973-02-21.
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
- 2026-08-14
- Short Volume
- 603.5K
- Total Volume
- 780.5K
- Short %
- 77.32%
- 30-Day Avg Short %
- 59.28%
Showing 30 days of FINRA short volume data for MasTec, Inc..
Learn how short volume is reported and how to read the data →
MTZ most-active contracts
| Type | Strike | Expiration | Volume | OI | IV | Bid | Ask |
|---|---|---|---|---|---|---|---|
| CALL | $290.00 | Aug 21, 2026 | 48 | 3.1K | 50.6% | $10.80 | $12.60 |
| CALL | $300.00 | Aug 21, 2026 | 23 | 1.4K | 50.2% | $5.90 | $7.20 |
| CALL | $320.00 | Aug 21, 2026 | 13 | 2.2K | 52.5% | $1.25 | $2.00 |
Top 3 contracts from the institutional-grade nightly options scan; ranked by volume within the broader S&P 500/400/600 + ETF universe.
Frequently asked MTZ short volume questions
- What is the daily MTZ short volume?
- As of Aug 14, 2026, MasTec, Inc. (MTZ) short volume is 603.5K shares against 780.5K total reported volume, or 77.32% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is MTZ 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 MTZ 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.