GATX CORP (GMT)
GMT moved a median of -0.03% 30 minutes after news, and +0.11% by the close. How GMT actually reacts to news — the realized, point-in-time move the market made, measured across 513 labeled events over its full measured history with zero look-ahead.
GMT’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | -0.00% | 46% | 509 |
| 30-min | -0.03% | 45% | 510 |
| 60-min | -0.07% | 42% | 510 |
| to close | +0.11% | 55% | 513 |
| Middle 50% of GMT reactions | -0.32% to +0.28% |
|---|---|
| Median reaction (30-min) | -0.03% |
| Measured reactions | 513 |
Half of all GATX CORP news events land between -0.32% and +0.28% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
Email me when GMT moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to GMT's baseline. Nothing else.
Recent GMT events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| GATX Corporation Sets Date for 2026 Third-Quarter Earnings Release and Conference Call | Press release | Business Wire | -0.10% | +0.82% | |
| GATX Corporation Announces Appointment of Senior Vice President, Chief Planning and Investment Officer | Press release | Business Wire | -0.15% | -1.24% | |
| Form 10-Q GATX CORP For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | +0.14% | +2.08% | |
| GATX Corporation Announces Quarterly Dividend | Press release | Business Wire | +0.38% | +0.52% | |
| Form 8-K GATX CORP For: Jul 30 | SEC filing · Form 8-K | SEC EDGAR | -5.94% | -4.84% | |
| GATX Corporation Reports 2026 Second-Quarter Results | Press release | Business Wire | -5.94% | -4.84% | |
| Gatx Corporation Sets Date for 2026 Second-Quarter Earnings Release and Conference Call | Press release | Business Wire | +0.00% | +0.15% | |
| Form 8-K GATX CORP For: Jun 30 | SEC filing · Form 8-K | SEC EDGAR | +0.19% | +0.55% | |
| Form 11-K GATX CORP For: Dec 31 | SEC filing · Form 11-K | SEC EDGAR | -0.06% | -1.16% | |
| GATX Corporation to Present at the Wells Fargo 16th Industrials and Materials Conference | Press release | Business Wire | -0.79% | +1.79% | |
| Form 8-K GATX CORP For: May 21 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | -2.43% | |
| Form S-8 GATX CORP | SEC filing · Form S-8 | SEC EDGAR | -0.20% | -0.26% | |
| Form 10-Q GATX CORP For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | +0.21% | +1.20% | |
| Form 8-K GATX CORP For: May 07 | SEC filing · Form 8-K | SEC EDGAR | -0.05% | -4.62% | |
| GATX Corporation Reports 2026 First-Quarter Results | Press release | Business Wire | -0.05% | -4.62% | |
| Form 8-K GATX CORP For: Apr 24 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | -1.56% | |
| GATX Corporation Announces Quarterly Dividend | Press release | Business Wire | — | -0.03% | |
| GATX Corporation Sets Date for 2026 First-Quarter Earnings Release and Conference Call | Press release | Business Wire | -0.13% | +0.94% | |
| Form 8-K GATX CORP For: Mar 12 | SEC filing · Form 8-K | SEC EDGAR | +0.30% | -1.62% | |
| Form ARS GATX CORP For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | +0.00% | -0.84% | |
| Form DEF 14A GATX CORP For: Apr 24 | SEC filing · Form DEF | SEC EDGAR | +0.00% | -0.84% | |
| Form DEFA14A GATX CORP | SEC filing · Form DEFA14A | SEC EDGAR | +0.00% | -0.84% | |
| Form 8-K/A GATX CORP For: Jan 01 | SEC filing · Form 8-K | SEC EDGAR | — | +0.12% | |
| Form 8-K GATX CORP For: Feb 19 | SEC filing · Form 8-K | SEC EDGAR | +2.29% | +1.29% | |
| GATX Corporation Reports 2025 Fourth-Quarter and Full-Year Results; Board of Directors Increases Quarterly Dividend 8.2%; Board of Directors Authorizes New $300 Million Share Repurchase Program | Press release | Business Wire | +2.29% | +1.29% | |
| GATX Corporation Sets Date for 2025 Fourth-Quarter Earnings Release and Conference Call | Press release | Business Wire | +0.00% | +0.45% | |
| Form 8-K GATX CORP For: Dec 31 | SEC filing · Form 8-K | SEC EDGAR | +0.61% | +1.57% | |
| GATX Corporation and Brookfield Infrastructure Complete Acquisition of Wells Fargo’s Rail Assets | Press release | Business Wire | +0.61% | +1.57% | |
| GATX Corporation and Brookfield Infrastructure Receive All Required Regulatory Clearances to Complete the Acquisition of Wells Fargo’s Rail Assets | Press release | Business Wire | +0.31% | +1.09% | |
| GATX Corporation to Present at 2025 Goldman Sachs Industrials & Materials Conference | Press release | Business Wire | -0.74% | +0.93% | |
| GATX Corporation to Present at the Stephens Annual Investment Conference | Press release | Business Wire | -0.24% | +0.12% | |
| GATX Corporation Announces Quarterly Dividend | Press release | Business Wire | — | -0.17% | |
| Form 10-Q GATX CORP For: Sep 30 | SEC filing · Form 10-Q | SEC EDGAR | -0.69% | -0.54% | |
| Form 8-K GATX CORP For: Oct 22 | SEC filing · Form 8-K | SEC EDGAR | -0.08% | -2.77% | |
| Form 8-K GATX CORP For: Oct 21 | SEC filing · Form 8-K | SEC EDGAR | -0.34% | -1.71% | |
| GATX Corporation Reports 2025 Third-quarter Results | Press release | Business Wire | -0.34% | -1.71% | |
| Form 8-K GATX CORP For: Oct 15 | SEC filing · Form 8-K | SEC EDGAR | +0.57% | +0.89% | |
| GATX Corporation Sets Date for 2025 Third-Quarter Earnings Release and Conference Call | Press release | Business Wire | +0.99% | +0.48% | |
| GATX Corporation to Acquire Approximately 6,000 Freight Railcars From DB Cargo AG | Press release | Business Wire | +0.72% | +0.15% | |
| GATX Corporation Announces Expiration of HSR Waiting Period for Proposed Acquisition of Wells Fargo’s Rail Assets | Press release | Business Wire | +0.03% | +0.07% | |
| Form 10-Q GATX CORP For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | +0.33% | — | |
| Form 8-K GATX CORP For: Jul 29 | SEC filing · Form 8-K | SEC EDGAR | -0.45% | — | |
| GATX Corporation Reports 2025 Second-Quarter Results | Press release | Business Wire | -0.45% | — | |
| GATX Corporation Announces Quarterly Dividend | Press release | Business Wire | — | -0.11% | |
| Form 8-K GATX CORP For: Jul 13 | SEC filing · Form 8-K | SEC EDGAR | -0.26% | -2.40% | |
| GATX Corporation Adds Robert S. Wetherbee to Board of Directors | Press release | Business Wire | -0.26% | -2.40% | |
| Form 8-K GATX CORP For: Jun 30 | SEC filing · Form 8-K | SEC EDGAR | +0.13% | +1.26% | |
| GATX Corporation Sets Date for 2025 Second-Quarter Earnings Release and Conference Call | Press release | Business Wire | -0.42% | +1.61% | |
| Form 11-K GATX CORP For: Dec 31 | SEC filing · Form 11-K | SEC EDGAR | +0.05% | +0.17% | |
| GATX Corporation to Present at 2025 Wells Fargo Industrials and Materials Conference | Press release | Business Wire | -0.75% | -0.87% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the GMT section they belong to.
Where else GMT is measured.
GMT earnings → · Analyst actions → · SEC filings →
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Every name we’ve measured, in one place.
How the numbers are made.
How is GATX CORP's median reaction calculated?
Every labeled GMT news event is measured from its own timestamp: the last trade before the news is the base price, and the move is read at fixed horizons — 30 minutes of trading, then the close. The median across 513 events is what this page reports. Point-in-time, zero look-ahead: no event borrows information from a later one.
What counts as a positive reaction?
Any event whose price move is above zero at the horizon, relative to the last trade before the news timestamp. 45% of GMT's measured events are up at 30 minutes; the rest close the window flat or negative.
How often is this page updated?
The news table refreshes automatically as new events are labeled and priced. The reaction medians are re-pulled in batches from the dataset — the figures here are as of 2026-09-21.
Does GMT's past reaction predict its next one?
No. These are realized facts about past events, not forecasts. They describe a distribution — they say nothing certain about any future move.