Minerals Technologies Inc. (MTX)
MTX moved a median of -0.03% 30 minutes after news, and +0.04% by the close. How MTX actually reacts to news — the realized, point-in-time move the market made, measured across 434 labeled events over the last three years with zero look-ahead.
MTX’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | 0.00% | 43% | 412 |
| 30-min | -0.03% | 45% | 434 |
| 60-min | +0.03% | 51% | 434 |
| to close | +0.04% | 51% | 434 |
| Middle 50% of MTX reactions | -0.34% to +0.29% |
|---|---|
| Median reaction (30-min) | -0.03% |
| Measured reactions | 434 |
Half of all Minerals Technologies Inc. news events land between -0.34% and +0.29% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
How MTX reacts, by analyst action.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades | 17 | -0.02% | 47% | +0.93% |
| Analyst downgrades | 13 | +0.37% | 62% | -0.17% |
| Rating reiterations | 13 | -0.25% | 39% | 0.00% |
Last 3 years, pulled 2026-09-21. Reaction = percent move vs. the price at the news timestamp. Counts and medians only. The same measurement runs across every name in the dataset. 3 further classes were observed with fewer than 10 measured events and are not published. See how MTX ranks against every other measured name →
That’s how MTX usually reacts — get an email when it moves on news →Email me when MTX moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to MTX's baseline. Nothing else.
Recent MTX events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Form 8-K MINERALS TECHNOLOGIES For: Oct 13 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | -0.47% | |
| Minerals Technologies Inc. Announces Third Quarter 2026 Conference Call on October 30, 2026 | Press release | GlobeNewswire | +0.00% | -1.17% | |
| Form 8-K MINERALS TECHNOLOGIES For: Oct 01 | SEC filing · Form 8-K | SEC EDGAR | -0.43% | -0.84% | |
| Form 8-K MINERALS TECHNOLOGIES For: Oct 01 | SEC filing · Form 8-K | SEC EDGAR | -0.52% | +0.40% | |
| Minerals Technologies Inc. Announces Pricing of Private Offering of $400 Million of Senior Notes | Press release | GlobeNewswire | +0.55% | +0.57% | |
| Minerals Technologies Inc. Announces Private Offering of $400 Million of Senior Notes | Press release | GlobeNewswire | -0.52% | +0.40% | |
| Form SD MINERALS TECHNOLOGIES | SEC filing · Form SD | SEC EDGAR | +0.00% | -1.00% | |
| Minerals Technologies Inc. Reiterates Long-Term Targets and Shares Several Breakthrough Innovations at 2026 Investor Day | Press release | GlobeNewswire | -0.58% | -0.82% | |
| Minerals Technologies Inc. Hosts 2026 Investor Day September 22 | Press release | GlobeNewswire | +0.33% | +0.23% | |
| CETCO, a Minerals Technologies Company, Announces That Its FLUORO-SORB® Adsorbent Wins Water Environment Federation (WEF) Innovative Technology Award | Press release | GlobeNewswire | — | +0.17% | |
| Minerals Technologies Inc. to Host 2026 Investor Day on September 22 | Press release | GlobeNewswire | +1.23% | +1.21% | |
| Form 10-Q MINERALS TECHNOLOGIES For: Jul 05 | SEC filing · Form 10-Q | SEC EDGAR | -0.08% | -0.70% | |
| Form 8-K MINERALS TECHNOLOGIES For: Jul 30 | SEC filing · Form 8-K | SEC EDGAR | +7.53% | +6.75% | |
| Minerals Technologies Inc. Announces 2026 Second Quarter Financial Results | Press release | GlobeNewswire | +7.53% | +6.75% | |
| Pulmonary Hypertension Association Announces New Officers, Board Members | Press release | PR Web | -0.58% | -1.22% | |
| Minerals Technologies Inc. Releases 2025 Sustainability Report, Announces New 10-Year Targets | Press release | GlobeNewswire | +1.61% | +1.18% | |
| Form 8-K MINERALS TECHNOLOGIES For: Jul 22 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | +0.58% | |
| Minerals Technologies Inc. Declares Quarterly Dividend | Press release | GlobeNewswire | +0.19% | +1.61% | |
| Minerals Technologies Inc. Announces Second Quarter 2026 Conference Call on July 31, 2026 | Press release | GlobeNewswire | — | +1.03% | |
| Form 8-K MINERALS TECHNOLOGIES For: Jun 29 | SEC filing · Form 8-K | SEC EDGAR | -0.76% | -4.63% | |
| Minerals Technologies Inc. Files Plan of Reorganization in BMI OldCo Chapter 11 Cases to Comply with Court Deadline | Press release | GlobeNewswire | -0.76% | -4.63% | |
| Form 11-K MINERALS TECHNOLOGIES For: Dec 31 | SEC filing · Form 11-K | SEC EDGAR | +0.79% | +1.85% | |
| Form SD MINERALS TECHNOLOGIES | SEC filing · Form SD | SEC EDGAR | — | +0.22% | |
| CETCO, a Minerals Technologies Company, Participates in EPA Roundtable on PFAS Remediation | Press release | GlobeNewswire | -0.15% | +0.28% | |
| Form 8-K MINERALS TECHNOLOGIES For: May 19 | SEC filing · Form 8-K | SEC EDGAR | +0.02% | -0.01% | |
| Minerals Technologies Inc. Declares Quarterly Dividend | Press release | GlobeNewswire | -2.21% | -0.42% | |
| Form 10-Q MINERALS TECHNOLOGIES For: Apr 05 | SEC filing · Form 10-Q | SEC EDGAR | +0.41% | -0.22% | |
| Form 8-K MINERALS TECHNOLOGIES For: Apr 30 | SEC filing · Form 8-K | SEC EDGAR | +0.38% | +3.22% | |
| Minerals Technologies Inc. Announces 2026 First Quarter Financial Results | Press release | GlobeNewswire | +0.38% | +3.22% | |
| Form 8-K MINERALS TECHNOLOGIES For: Apr 05 | SEC filing · Form 8-K | SEC EDGAR | -0.33% | -0.18% | |
| Form ARS MINERALS TECHNOLOGIES For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | +0.00% | -0.73% | |
| Form DEF 14A MINERALS TECHNOLOGIES For: May 20 | SEC filing · Form DEF | SEC EDGAR | +0.00% | -0.73% | |
| Form DEFA14A MINERALS TECHNOLOGIES | SEC filing · Form DEFA14A | SEC EDGAR | +0.00% | -0.73% | |
| Minerals Technologies Inc. Announces First Quarter 2026 Conference Call on May 1, 2026 | Press release | GlobeNewswire | — | -1.53% | |
| Form 8-K MINERALS TECHNOLOGIES For: Mar 18 | SEC filing · Form 8-K | SEC EDGAR | -0.98% | +2.17% | |
| Minerals Technologies Inc. Announces Participation at Upcoming Investor Conferences | Press release | GlobeNewswire | — | +0.90% | |
| Form 10-K MINERALS TECHNOLOGIES For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | — | +0.26% | |
| Form 8-K MINERALS TECHNOLOGIES For: Jan 29 | SEC filing · Form 8-K | SEC EDGAR | +2.47% | +3.31% | |
| Minerals Technologies Inc. Announces 2025 Fourth Quarter and Full Year Financial Results | Press release | GlobeNewswire | +2.47% | +3.31% | |
| Form 8-K MINERALS TECHNOLOGIES For: Jan 21 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | +1.05% | |
| Minerals Technologies Inc. Declares Quarterly Dividend | Press release | GlobeNewswire | +0.57% | +1.43% | |
| Minerals Technologies Inc. Announces Paper and Packaging Satellite Expansions in Asia | Press release | GlobeNewswire | -0.55% | +0.29% | |
| Minerals Technologies Inc. Announces Fourth Quarter and Full Year 2025 Conference Call on January 30, 2026 | Press release | GlobeNewswire | +0.17% | +2.18% | |
| Form 10-Q MINERALS TECHNOLOGIES For: Sep 28 | SEC filing · Form 10-Q | SEC EDGAR | +0.92% | -4.50% | |
| Form 8-K MINERALS TECHNOLOGIES For: Oct 23 | SEC filing · Form 8-K | SEC EDGAR | +0.32% | -2.07% | |
| Minerals Technologies Inc. Announces 2025 Third Quarter Financial Results | Press release | GlobeNewswire | +0.32% | -2.07% | |
| Minerals Technologies Inc. Announces Investment to Support Significant Growth Opportunity in the Use of Renewable Fuels | Press release | GlobeNewswire | -0.04% | +0.29% | |
| Form 8-K MINERALS TECHNOLOGIES For: Oct 15 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | -1.76% | |
| Minerals Technologies Inc. Announces Increase in Quarterly Dividend; Third Consecutive Year of Dividend Increases | Press release | GlobeNewswire | +0.00% | +0.88% | |
| Form SD MINERALS TECHNOLOGIES | SEC filing · Form SD | SEC EDGAR | -0.11% | -1.63% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the MTX section they belong to.
Where else MTX is measured.
MTX earnings → · Analyst actions → · SEC filings →
Other Basic Materials names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| LyondellBasell Industries NV Ordinary Shares Class A (Netherlands) (LYB) | 444 | -0.14% | 41% |
| Kirkland Lake Gold Ltd. Common Shares (KL) | 440 | +0.05% | 52% |
| Gevo, Inc. (GEVO) | 433 | +0.08% | 51% |
| Koppers Holdings Inc. Koppers Holdings Inc. (KOP) | 433 | -0.21% | 44% |
Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not.
All Basic Materials names, measured the same way →
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Every name we’ve measured, in one place.
How the numbers are made.
How is Minerals Technologies Inc.'s median reaction calculated?
Every labeled MTX 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 434 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 MTX'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 MTX'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.