BEST Inc. American Depositary Shares, each representing five Class A Ordinary Share (BEST)
BEST moved a median of 0.00% 30 minutes after news, and +0.87% by the close. How BEST actually reacts to news — the realized, point-in-time move the market made, measured across 47 labeled events over the last three years with zero look-ahead.
BEST’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | 0.00% | 32% | 37 |
| 30-min | 0.00% | 37% | 38 |
| 60-min | +0.21% | 55% | 38 |
| to close | +0.87% | 62% | 39 |
| Middle 50% of BEST reactions | -0.04% to +0.49% |
|---|---|
| Median reaction (30-min) | 0.00% |
| Measured reactions | 47 |
Half of all BEST Inc. American Depositary Shares, each representing five Class A Ordinary Share news events land between -0.04% and +0.49% 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 BEST moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to BEST's baseline. Nothing else.
Recent BEST events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Form 6-K BEST Inc. For: Mar 10 | SEC filing · Form 6-K | SEC EDGAR | — | — | |
| BEST Inc. Announces Completion of Going Private Transaction | Press release | PR Newswire | — | — | |
| Form S-8 POS BEST Inc. | SEC filing · Form S-8 | SEC EDGAR | — | — | |
| BEST Inc. Announces Shareholders' Approval of Merger Agreement | Press release | PR Newswire | -0.72% | +0.00% | |
| Form 6-K BEST Inc. For: Feb 18 | SEC filing · Form 6-K | SEC EDGAR | -0.72% | +0.00% | |
| BEST Inc. Receives Notification from NYSE Regarding Delayed Filing of Semi-Annual Financial Information for the Half Year Ended June 30, 2024 | Press release | PR Newswire | +0.00% | +0.30% | |
| Form 6-K BEST Inc. For: Jan 10 | SEC filing · Form 6-K | SEC EDGAR | +0.00% | +0.30% | |
| Doctor's Best Launches Citicoline CDP-Choline | Press release | PR Newswire | — | +0.00% | |
| Form 6-K BEST Inc. For: Sep 30 | SEC filing · Form 6-K | SEC EDGAR | -0.36% | -0.18% | |
| BEST Inc. Expands into Indonesia with Cross-Border and SaaS Services to Strengthen Global Strategy | Press release | PR Newswire | +0.00% | +0.00% | |
| Doctor's Best Introduces New Women's Collection | Press release | PR Newswire | — | -0.18% | |
| BEST Inc. Enters into Definitive Agreement for "Going Private" Transaction | Press release | PR Newswire | +0.38% | +1.89% | |
| BEST Stock Alert: Halper Sadeh LLC Is Investigating Whether the Sale of BEST Inc. Is Fair to Shareholders | Press release | Business Wire | +0.38% | +1.89% | |
| Form 6-K BEST Inc. For: Jun 20 | SEC filing · Form 6-K | SEC EDGAR | +0.38% | +1.89% | |
| Form 6-K BEST Inc. For: Jun 12 | SEC filing · Form 6-K | SEC EDGAR | +7.62% | +4.48% | |
| BEST Inc. Announces Unaudited First Quarter 2024 Financial Results | Press release | PR Newswire | +0.00% | +1.46% | |
| Doctor's Best Launches Vegan Omega-3 Supplement | Press release | PR Newswire | +3.54% | +1.50% | |
| Form 20-F BEST Inc. For: Dec 31 | SEC filing · Form 20-F | SEC EDGAR | +0.95% | +0.48% | |
| Doctor's Best Launches Two New Products | Press release | PR Newswire | +0.00% | +0.95% | |
| Form 6-K BEST Inc. For: Apr 02 | SEC filing · Form 6-K | SEC EDGAR | +0.00% | +5.29% | |
| BEST Inc. Announces Unaudited Fourth Quarter and Fiscal Year 2023 Financial Results | Press release | PR Newswire | +0.00% | -5.58% | |
| Form 6-K BEST Inc. For: Nov 24 | SEC filing · Form 6-K | SEC EDGAR | +1.61% | +2.01% | |
| BEST Inc. Announces Appointment of Financial Advisor and Legal Counsel to the Special Committee | Press release | PR Newswire | +1.61% | +2.01% | |
| BEST Inc. Announces Unaudited Third Quarter 2023 Financial Results | Press release | PR Newswire | +1.61% | +2.01% | |
| Form 6-K BEST Inc. For: Nov 21 | SEC filing · Form 6-K | SEC EDGAR | +0.00% | +0.78% | |
| BEST Inc. Receives Notice Regarding NYSE Continued Listing Standards | Press release | PR Newswire | -2.18% | -4.00% | |
| Form 6-K BEST Inc. For: Nov 14 | SEC filing · Form 6-K | SEC EDGAR | -2.18% | -4.00% | |
| BEST Inc. Announces Receipt of a Preliminary Non-Binding Proposal to Acquire the Company and Formation of Special Committee | Press release | PR Newswire | -0.01% | -1.85% | |
| Form 6-K BEST Inc. For: Nov 06 | SEC filing · Form 6-K | SEC EDGAR | -0.01% | -1.85% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the BEST section they belong to.
Where else BEST is measured.
BEST earnings → · Analyst actions → · SEC filings →
Every ticker we measure the same way24
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Every name we’ve measured, in one place.
How the numbers are made.
How is BEST Inc. American Depositary Shares, each representing five Class A Ordinary Share's median reaction calculated?
Every labeled BEST 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 47 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. 37% of BEST'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 BEST'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.