Knife Riv Holding Co. (KNF)
KNF moved a median of -0.37% 30 minutes after news, and -0.80% by the close. How KNF actually reacts to news — the realized, point-in-time move the market made, measured across 98 labeled events over the last three years with zero look-ahead.
KNF’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | -0.13% | 40% | 98 |
| 30-min | -0.37% | 43% | 98 |
| 60-min | -0.01% | 50% | 98 |
| to close | -0.80% | 42% | 98 |
| Middle 50% of KNF reactions | -1.05% to +0.70% |
|---|---|
| Median reaction (30-min) | -0.37% |
| Measured reactions | 98 |
Half of all Knife Riv Holding Co. news events land between -1.05% and +0.70% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
How KNF reacts, by analyst action.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades | 17 | -1.77% | 18% | -1.60% |
| Analyst downgrades | 20 | +0.53% | 55% | +0.21% |
| Coverage initiations | 33 | +0.45% | 67% | +0.27% |
| Rating reiterations | 31 | -0.07% | 42% | -0.10% |
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. 2 further classes were observed with fewer than 10 measured events and are not published. See how KNF ranks against every other measured name →
That’s how KNF usually reacts — get an email when it moves on news →Email me when KNF moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to KNF's baseline. Nothing else.
Recent KNF events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Knife River Corporation Announces Timing of Third Quarter 2026 Results Conference Call | Press release | Business Wire | -1.26% | +1.83% | |
| Knife River Reiterates Focus on Disciplined Execution and Shareholder Value Creation | Press release | Business Wire | -0.08% | +0.87% | |
| Starboard Delivers Letter to Knife River | Press release | Business Wire | +0.20% | +0.26% | |
| Form 8-K Knife River Corp For: Sep 23 | SEC filing · Form 8-K | SEC EDGAR | -2.21% | -6.36% | |
| Form 10-Q Knife River Corp For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | +0.23% | -3.14% | |
| Form 8-K Knife River Corp For: Aug 04 | SEC filing · Form 8-K | SEC EDGAR | -1.22% | -2.31% | |
| Knife River Corporation Reports Second Quarter 2026 Financial Results | Press release | Business Wire | -1.22% | -2.31% | |
| Knife River Corporation Announces Timing of Second Quarter 2026 Results Conference Call | Press release | Business Wire | -0.74% | +1.49% | |
| Form 11-K Knife River Corp For: Dec 31 | SEC filing · Form 11-K | SEC EDGAR | -0.02% | +1.73% | |
| Form 8-K Knife River Corp For: May 20 | SEC filing · Form 8-K | SEC EDGAR | -0.11% | -2.01% | |
| Form 8-K Knife River Corp For: May 15 | SEC filing · Form 8-K | SEC EDGAR | -1.54% | -2.65% | |
| Form 10-Q Knife River Corp For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | -0.34% | +1.68% | |
| Form 8-K Knife River Corp For: May 05 | SEC filing · Form 8-K | SEC EDGAR | -1.67% | +0.21% | |
| Knife River Corporation Reports First Quarter 2026 Financial Results | Press release | Business Wire | -1.67% | +0.21% | |
| Knife River Corporation Announces First Quarter 2026 Results Conference Call | Press release | Business Wire | +0.16% | -1.77% | |
| Form ARS Knife River Corp For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | +1.07% | +1.09% | |
| Form DEF 14A Knife River Corp For: May 20 | SEC filing · Form DEF | SEC EDGAR | +1.07% | +1.09% | |
| Form DEFA14A Knife River Corp | SEC filing · Form DEFA14A | SEC EDGAR | +1.07% | +1.09% | |
| Knife River Acquires Aggregates and Ready-Mix Business in Montana | Press release | Business Wire | -1.39% | +0.80% | |
| Knife River Expands into Utah with Acquisition of Morgan Asphalt in Salt Lake City | Press release | Business Wire | +1.05% | +1.30% | |
| Form 10-K Knife River Corp For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | -0.40% | +1.88% | |
| Form 8-K Knife River Corp For: Feb 17 | SEC filing · Form 8-K | SEC EDGAR | +1.80% | +4.53% | |
| Knife River Corporation Reports Fourth Quarter and Full-Year 2025 Financial Results | Press release | Business Wire | +1.80% | +4.53% | |
| Knife River Corporation Announces Fourth Quarter and Full-Year 2025 Results Conference Call | Press release | Business Wire | -0.60% | -5.76% | |
| Knife River Expands in Texas with Acquisition of Construction Materials Operations | Press release | Business Wire | -0.87% | -2.33% | |
| Knife River Awarded $112 Million Project in Texas | Press release | Business Wire | +0.41% | +0.86% | |
| Form 10-Q Knife River Corp For: Sep 30 | SEC filing · Form 10-Q | SEC EDGAR | +0.77% | +7.48% | |
| Form 8-K Knife River Corp For: Nov 04 | SEC filing · Form 8-K | SEC EDGAR | -0.49% | -1.60% | |
| Knife River Corporation Reports Third Quarter 2025 Financial Results | Press release | Business Wire | -0.49% | -1.60% | |
| Knife River Corporation Announces Third Quarter 2025 Results Conference Call | Press release | Business Wire | +0.18% | -2.43% | |
| Form 10-Q Knife River Corp For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | +0.81% | +2.26% | |
| Form 8-K Knife River Corp For: Aug 05 | SEC filing · Form 8-K | SEC EDGAR | +0.54% | +7.50% | |
| Knife River Corporation Reports Second Quarter 2025 Financial Results | Press release | Business Wire | +0.54% | +7.50% | |
| Knife River Corporation Announces Second Quarter 2025 Results Conference Call | Press release | Business Wire | -0.39% | -0.72% | |
| Form 11-K Knife River Corp For: Dec 31 | SEC filing · Form 11-K | SEC EDGAR | +0.37% | +0.01% | |
| Form 8-K Knife River Corp For: May 22 | SEC filing · Form 8-K | SEC EDGAR | +0.63% | -1.23% | |
| Form 10-Q Knife River Corp For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | +0.27% | -1.45% | |
| Form 8-K Knife River Corp For: May 06 | SEC filing · Form 8-K | SEC EDGAR | -3.83% | -1.34% | |
| Knife River Corporation Reports First Quarter 2025 Financial Results | Press release | Business Wire | -3.83% | -1.34% | |
| Knife River Names Stevens Chief People Officer; Christenson Retires After 47-Year Career | Press release | Business Wire | -0.38% | +2.44% | |
| Knife River Corporation Announces First Quarter 2025 Results Conference Call | Press release | Business Wire | +0.84% | -0.28% | |
| Form ARS Knife River Corp For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | +0.49% | -5.70% | |
| Form DEF 14A Knife River Corp For: May 22 | SEC filing · Form DEF | SEC EDGAR | +0.49% | -5.70% | |
| Form DEFA14A Knife River Corp | SEC filing · Form DEFA14A | SEC EDGAR | +0.49% | -5.70% | |
| Form 8-K Knife River Corp For: Mar 28 | SEC filing · Form 8-K | SEC EDGAR | +0.15% | +2.67% | |
| Form PRE 14A Knife River Corp For: May 22 | SEC filing · Form PRE | SEC EDGAR | +0.15% | +2.67% | |
| Form 8-K Knife River Corp For: Mar 07 | SEC filing · Form 8-K | SEC EDGAR | -0.02% | -2.27% | |
| Knife River Completes Acquisition of Strata Corporation | Press release | Business Wire | +0.29% | +3.55% | |
| Form 10-K Knife River Corp For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | -0.87% | -9.53% | |
| Form 8-K Knife River Corp For: Feb 13 | SEC filing · Form 8-K | SEC EDGAR | -2.86% | -2.53% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the KNF section they belong to.
Where else KNF is measured.
KNF earnings → · Analyst actions → · SEC filings →
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How the numbers are made.
How is Knife Riv Holding Co.'s median reaction calculated?
Every labeled KNF 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 98 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. 43% of KNF'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 KNF'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.