NORSK HYDRO A S ADS (NHYDY)
NHYDY moved a median of 0.00% 30 minutes after news, and 0.00% by the close. How NHYDY actually reacts to news — the realized, point-in-time move the market made, measured across 300 labeled events over the last three years with zero look-ahead.
NHYDY’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | 0.00% | 37% | 289 |
| 30-min | 0.00% | 47% | 300 |
| 60-min | 0.00% | 47% | 300 |
| to close | 0.00% | 49% | 300 |
| Middle 50% of NHYDY reactions | -0.37% to +0.38% |
|---|---|
| Median reaction (30-min) | 0.00% |
| Measured reactions | 300 |
Half of all NORSK HYDRO A S ADS news events land between -0.37% and +0.38% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
How NHYDY reacts, by analyst action.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades | 24 | +0.16% | 50% | +0.04% |
| Analyst downgrades | 37 | 0.00% | 49% | +0.34% |
| Rating reiterations | 12 | +0.14% | 67% | +0.14% |
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. 1 further class was observed with fewer than 10 measured events and is not published. See how NHYDY ranks against every other measured name →
That’s how NHYDY usually reacts — get an email when it moves on news →Email me when NHYDY moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to NHYDY's baseline. Nothing else.
Recent NHYDY events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Norsk Hydro: Update on Alunorte gas supply situation | Press release | GlobeNewswire | +0.02% | -0.21% | |
| Norsk Hydro: Alunorte ramps up alumina production | Press release | GlobeNewswire | +0.00% | -1.37% | |
| Norsk Hydro: Alunorte reduces alumina production on natural gas supply disruptions | Press release | GlobeNewswire | +0.10% | +0.10% | |
| Norsk Hydro: Operational strength delivering solid results | Press release | GlobeNewswire | -0.22% | -0.11% | |
| Norsk Hydro: Invitation to Hydro's second quarter results 2026 | Press release | GlobeNewswire | +0.11% | +0.11% | |
| Norsk Hydro: Minutes from the Annual General Meeting 2026 | Press release | GlobeNewswire | -0.43% | -2.50% | |
| Norsk Hydro: Strong results reflect solid operational performance | Press release | GlobeNewswire | -0.63% | -0.54% | |
| Norsk Hydro: Notice of Annual General Meeting 2026 | Press release | GlobeNewswire | -1.03% | -3.70% | |
| Norsk Hydro: Invitation to Hydro's first quarter results 2026 | Press release | GlobeNewswire | -3.36% | +0.00% | |
| Norsk Hydro: Hydro to close extrusion plant in Lucé, France | Press release | GlobeNewswire | +0.22% | +0.68% | |
| Norsk Hydro: Integrated Annual Report 2025 on European Single Electronic Format (ESEF) | Press release | GlobeNewswire | +0.42% | +1.79% | |
| Norsk Hydro: Key information related to proposed cash dividend | Press release | GlobeNewswire | +0.42% | +1.79% | |
| Norsk Hydro: Solid upstream performance driving strong cash flow generation | Press release | GlobeNewswire | +0.42% | +1.79% | |
| Norsk Hydro: Reminder - Invitation to Hydro's fourth quarter results 2025 | Press release | GlobeNewswire | +0.12% | +1.22% | |
| Hydro Investor Day 2025: Strategic discipline securing long-term value creation | Press release | GlobeNewswire | +2.73% | +3.74% | |
| Norsk Hydro: Hydro signs new USD 1,600 million and USD 800 million sustainability-linked revolving credit facilities | Press release | GlobeNewswire | -0.57% | +0.43% | |
| Norsk Hydro: Hydro invests NOK 1.2 billion to build Illvatn pumped storage power plant | Press release | GlobeNewswire | -0.28% | +0.48% | |
| Norsk Hydro: Solid results amid uncertain markets | Press release | GlobeNewswire | -0.29% | +0.73% | |
| Norsk Hydro: Hydro cuts costs and carries out strategic workforce adjustment | Press release | GlobeNewswire | +2.08% | +1.90% | |
| Norsk Hydro: Performance and capital discipline, supporting strong results | Press release | GlobeNewswire | +0.16% | +1.44% | |
| Norsk Hydro: Reminder – Invitation to Hydro's second quarter results 2025 | Press release | GlobeNewswire | -0.17% | -1.65% | |
| Norsk Hydro ASA: Registration of share capital reduction | Press release | GlobeNewswire | +0.00% | -0.17% | |
| Repeat: Norsk Hydro: Hydro's second quarter results 2025 | Press release | GlobeNewswire | +0.00% | -1.44% | |
| Norsk Hydro: Hydro's second quarter results 2025 | Press release | GlobeNewswire | +0.00% | +0.46% | |
| Norsk Hydro: Successful placement of inaugural European Green Bond | Press release | GlobeNewswire | — | -0.54% | |
| Norsk Hydro: Minutes from the Annual General Meeting 2025 | Press release | GlobeNewswire | +0.49% | +0.18% | |
| Norsk Hydro: Strong upstream results, navigating global trade uncertainty | Press release | GlobeNewswire | -0.75% | -0.37% | |
| Norsk Hydro: Reminder – Invitation to Hydro's first quarter results 2025 | Press release | GlobeNewswire | +0.59% | +0.20% | |
| Norsk Hydro: Hydro's First quarter results 2025 | Press release | GlobeNewswire | +0.00% | +1.84% | |
| Norsk Hydro: Hydro: Mandatory notification of trade by primary insider | Press release | GlobeNewswire | +0.80% | +1.11% | |
| Norsk Hydro: Hydro invests NOK 1.65 billion to supply Europe’s electric infrastructure with low-carbon aluminium | Press release | GlobeNewswire | -0.16% | +1.28% | |
| Norsk Hydro: Resignation of board member of Norsk Hydro ASA | Press release | GlobeNewswire | +0.00% | +0.47% | |
| Norsk Hydro: Accelerating the green aluminium transition | Press release | GlobeNewswire | -0.08% | -1.65% | |
| Norsk Hydro: Bauxite & Alumina record results, partnering for a green transition | Press release | GlobeNewswire | -0.08% | -1.65% | |
| Norsk Hydro: Key information related to proposed cash dividend | Press release | GlobeNewswire | -0.08% | -1.65% | |
| Norsk Hydro: Successful placement of green Eurobonds | Press release | GlobeNewswire | — | +0.31% | |
| Hydro acquires remaining shares in Hydrovolt | Press release | GlobeNewswire | +0.18% | +1.25% | |
| Norsk Hydro: Status share buyback program | Press release | GlobeNewswire | +0.00% | -0.67% | |
| Norsk Hydro: Status share buyback program | Press release | GlobeNewswire | +0.00% | -2.66% | |
| Norsk Hydro: Status share buyback program | Press release | GlobeNewswire | +0.00% | -0.32% | |
| Hydro Capital Markets Day 2024: Accelerating the green aluminium transition | Press release | GlobeNewswire | +0.32% | -1.12% | |
| Norsk Hydro: Status share buyback program | Press release | GlobeNewswire | +0.32% | -1.12% | |
| Norsk Hydro: Status share buyback program | Press release | GlobeNewswire | +0.17% | -0.17% | |
| Norsk Hydro: Status share buyback program | Press release | GlobeNewswire | -0.32% | +0.00% | |
| Correction: Norsk Hydro: Strong upstream results, building downstream robustness | Press release | GlobeNewswire | — | +0.32% | |
| Norsk Hydro: Reorganization plan for Markbygden Ett AB approved in Umeå District Court | Press release | GlobeNewswire | +0.00% | +0.32% | |
| Norsk Hydro: Strong upstream results, building downstream robustness | Press release | GlobeNewswire | +0.16% | -0.48% | |
| Norsk Hydro: Reminder - Invitation to Hydro's third quarter results 2024 | Press release | GlobeNewswire | -0.32% | -0.80% | |
| Norsk Hydro: Status share buyback program | Press release | GlobeNewswire | +0.00% | +1.48% | |
| Norsk Hydro: Status share buyback program | Press release | GlobeNewswire | +0.00% | +0.31% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the NHYDY section they belong to.
Where else NHYDY is measured.
NHYDY earnings → · Analyst actions → · SEC filings →
Other Basic Materials names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| Quaker Houghton (KWR) | 306 | 0.00% | 49% |
| Methanex Corporation (MEOH) | 305 | -0.04% | 47% |
| Centrus Energy Corp. Class A (LEU) | 296 | -0.06% | 48% |
| Gibraltar Industries, Inc. (ROCK) | 292 | +0.02% | 51% |
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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Browse all tickers
Every name we’ve measured, in one place.
How the numbers are made.
How is NORSK HYDRO A S ADS's median reaction calculated?
Every labeled NHYDY 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 300 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. 47% of NHYDY'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 NHYDY'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.