Acorda Therapeutics, Inc. (ACOR)
How ACOR actually reacts to news — the realized, point-in-time move the market made, measured across 23 labeled events over the last three years with zero look-ahead.
ACOR’s median reaction, across the day.
Small sample: only 23 measured events — treat these medians as indicative, not stable.
Reaction stats as of 2026-08-13. Reaction = percent move vs. the price at the news timestamp.
Email me when ACOR moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to ACOR’s baseline. Nothing else.
Get “How ACOR reacts to news” as a PDF.
A free one-page summary: ACOR’s median reaction to news and the full breakdown by event type — the numbers on this page, in one page.
Recent ACOR events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Flow Sciences Appoints Michael Gesser as Chief Financial Officer | Press release | PR Newswire | — | — | |
| Form 10-Q Acorda Therapeutics, For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | — | — | |
| Form 10-K/A Acorda Therapeutics, For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | — | — | |
| Form 8-K Acorda Therapeutics, For: Apr 25 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Form 8-K Acorda Therapeutics, For: Apr 12 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Acorda Therapeutics Announces Delisting from Nasdaq | Press release | Business Wire | — | — | |
| Form 8-K Acorda Therapeutics, For: Apr 03 | SEC filing · Form 8-K | SEC EDGAR | +7.78% | -6.67% | |
| Acorda Therapeutics Announces Nasdaq Delisting Notification | Press release | Business Wire | +7.78% | -6.67% | |
| Form 8-K Acorda Therapeutics, For: Mar 31 | SEC filing · Form 8-K | SEC EDGAR | -6.66% | +13.12% | |
| Acorda Cancels Q4 and Year End 2023 Earnings Conference Call Scheduled for April 1, 2024 | Press release | Business Wire | -6.66% | +13.12% | |
| Acorda Therapeutics and Merz Announce Signing of “Stalking Horse” Asset Purchase Agreement | Press release | Business Wire | -6.66% | +13.12% | |
| Form 10-K Acorda Therapeutics, For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | -6.66% | +13.12% | |
| Acorda Fourth Quarter/Year End 2023 Update: Webcast/Conference Call Scheduled for April 1, 2024 | Press release | Business Wire | — | -3.20% | |
| Form 8-K Acorda Therapeutics, For: Mar 07 | SEC filing · Form 8-K | SEC EDGAR | +3.15% | +3.15% | |
| Acorda Therapeutics to Regain Global Commercialization Rights to FAMPYRA® by January 2025 | Press release | Business Wire | +0.00% | -2.97% | |
| Form 8-K Acorda Therapeutics, For: Jan 08 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | -2.97% | |
| Form 8-K Acorda Therapeutics, For: Nov 30 | SEC filing · Form 8-K | SEC EDGAR | — | +7.62% | |
| Form 10-Q Acorda Therapeutics, For: Sep 30 | SEC filing · Form 10-Q | SEC EDGAR | — | +2.69% | |
| Acorda Therapeutics Reports Third Quarter 2023 Financial Results | Press release | Business Wire | — | +2.69% | |
| Form 8-K Acorda Therapeutics, For: Nov 13 | SEC filing · Form 8-K | SEC EDGAR | — | +2.69% | |
| Acorda Therapeutics Announces Biopas Laboratories Submission to Regulatory Agencies in Six Latin American Countries for Approval of INBRIJA® | Press release | Business Wire | — | +4.81% | |
| Acorda Third Quarter 2023 Update: Webcast/Conference Call Scheduled for November 13, 2023 | Press release | Business Wire | — | +2.04% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the ACOR section they belong to.
More of the dataset.
ACOR earnings → · Analyst actions → · SEC filings →
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How the numbers are made.
How is Acorda Therapeutics, Inc.'s median reaction calculated?
Every labeled ACOR 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 23 events is what this page reports. On a sample this small (23 events), treat these medians as indicative, not stable. 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.
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 2026-08-13.
Does ACOR'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.