Pure Storage, Inc. Class A (PSTG)
PSTG moved a median of -0.04% 30 minutes after news, and -0.28% by the close. How PSTG actually reacts to news — the realized, point-in-time move the market made, measured across 375 labeled events over the last three years with zero look-ahead.
PSTG’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | -0.01% | 48% | 361 |
| 30-min | -0.04% | 46% | 361 |
| 60-min | +0.03% | 51% | 361 |
| to close | -0.28% | 47% | 360 |
| Middle 50% of PSTG reactions | -1.04% to +0.67% |
|---|---|
| Median reaction (30-min) | -0.04% |
| Measured reactions | 375 |
Half of all Pure Storage, Inc. Class A news events land between -1.04% and +0.67% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
How PSTG reacts, by analyst action.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades | 11 | +0.07% | 73% | +3.23% |
| Analyst downgrades | 25 | +0.68% | 64% | +1.34% |
| Coverage initiations | 20 | +0.11% | 65% | -0.29% |
| Rating reiterations | 148 | +0.15% | 54% | +0.27% |
| Price-target raises | 66 | +0.17% | 56% | +0.23% |
| Price-target cuts | 27 | +0.19% | 52% | -0.15% |
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. See how PSTG ranks against every other measured name →
That’s how PSTG usually reacts — get an email when it moves on news →Email me when PSTG moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to PSTG's baseline. Nothing else.
Recent PSTG events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Everpure to Change Ticker Symbol to "P" | Press release | PR Newswire | -0.32% | +0.57% | |
| Everpure Celebrates HQ Expansion with Santa Clara Mayor | Press release | PR Newswire | -0.34% | -0.90% | |
| Form 10-K Everpure, Inc. For: Feb 01 | SEC filing · Form 10-K | SEC EDGAR | +0.70% | -0.61% | |
| Everpure Simplifies Enterprise AI with Evergreen//One for AI and Data Stream Beta | Press release | PR Newswire | +0.90% | +0.19% | |
| Everpure Extends ActiveCluster Support for File | Press release | PR Newswire | +0.37% | +0.75% | |
| Odine, a Global Technology Partner, Signs Strategic Cooperation MOU with Everpure at Mobile World Congress | Press release | PR Newswire | +0.37% | -1.75% | |
| Everpure Announces Fiscal Fourth Quarter and Full Year 2026 Financial Results | Press release | PR Newswire | -10.97% | -9.39% | |
| Form 8-K Everpure, Inc. For: Feb 25 | SEC filing · Form 8-K | SEC EDGAR | -10.97% | -9.39% | |
| Form 8-K Everpure, Inc. For: Feb 23 | SEC filing · Form 8-K | SEC EDGAR | -0.72% | -1.14% | |
| Pure Storage Becomes Everpure; Announces Intent to Acquire 1touch | Press release | PR Newswire | -0.93% | -5.17% | |
| Pure Storage Announces Date and Conference Call Information for Fiscal Fourth Quarter and Full Year 2026 Financial Results | Press release | PR Newswire | +1.96% | -1.03% | |
| Pure Storage Partner Program Evolution Reinforces Commitment to 100% Partner Go-To-Market Strategy | Press release | PR Newswire | -2.00% | -0.59% | |
| Form 10-Q Pure Storage, Inc. For: Nov 02 | SEC filing · Form 10-Q | SEC EDGAR | +0.10% | +3.70% | |
| Pure Storage Announces $400 Million Share Repurchase Authorization | Press release | PR Newswire | +0.10% | +3.70% | |
| Form 8-K Pure Storage, Inc. For: Dec 02 | SEC filing · Form 8-K | SEC EDGAR | -6.76% | -12.43% | |
| Pure Storage Announces Third Quarter Fiscal 2026 Financial Results | Press release | PR Newswire | -6.76% | -12.43% | |
| Pure Storage Announces Date and Conference Call Information for Third Quarter Fiscal 2026 Financial Results | Press release | PR Newswire | +0.07% | +0.10% | |
| Form 8-K Pure Storage, Inc. For: Nov 04 | SEC filing · Form 8-K | SEC EDGAR | +0.95% | +2.02% | |
| Pure Storage Names Patrick Finn as Chief Revenue Officer | Press release | PR Newswire | +1.15% | +2.00% | |
| Pure Storage and Cisco Deliver AI Factories for the Enterprise with NVIDIA | Press release | PR Newswire | +0.19% | -0.23% | |
| Pure Storage Named a Leader in the 2025 Gartner® Magic Quadrant™ for Infrastructure Platform Consumption Services | Press release | PR Newswire | -0.06% | -0.96% | |
| Pure Storage Expands Cyber Resilience Through New Innovations and Deeper Partnerships So Organizations Can Stay Focused on Business | Press release | PR Newswire | -0.36% | -0.33% | |
| Pure Storage's Enterprise Data Cloud Unifies Data to Give Businesses Greater Control of their AI Initiatives | Press release | PR Newswire | -0.36% | -0.33% | |
| Form 10-Q Pure Storage, Inc. For: Aug 03 | SEC filing · Form 10-Q | SEC EDGAR | +1.39% | +1.00% | |
| Pure Storage Named a Leader in the 2025 Gartner® Magic Quadrant™ for Enterprise Storage Platforms | Press release | PR Newswire | -0.11% | +0.65% | |
| Form 8-K Pure Storage, Inc. For: Aug 27 | SEC filing · Form 8-K | SEC EDGAR | +6.73% | +15.06% | |
| Pure Storage Announces Second Quarter Fiscal 2026 Financial Results | Press release | PR Newswire | +6.73% | +15.06% | |
| Pure Storage Announces Date and Conference Call Information for Second Quarter Fiscal 2026 Financial Results | Press release | PR Newswire | -0.14% | -0.33% | |
| Form 8-K Pure Storage, Inc. For: Jun 24 | SEC filing · Form 8-K | SEC EDGAR | +0.13% | -0.58% | |
| Pure Storage Names Tarek Robbiati as Chief Financial Officer | Press release | PR Newswire | -0.72% | +1.31% | |
| PURE STORAGE INTRODUCES THE ENTERPRISE DATA CLOUD SO CUSTOMERS CAN MANAGE THEIR DATA, NOT THEIR STORAGE | Press release | PR Newswire | +0.18% | +0.78% | |
| PURE STORAGE UNVEILS NEXT-GENERATION STORAGE PRODUCTS TO DELIVER PERFORMANCE AT ANY SCALE | Press release | PR Newswire | +0.18% | +0.78% | |
| Form 8-K Pure Storage, Inc. For: Jun 11 | SEC filing · Form 8-K | SEC EDGAR | -0.96% | -0.62% | |
| Form 10-Q Pure Storage, Inc. For: May 04 | SEC filing · Form 10-Q | SEC EDGAR | -0.36% | -1.01% | |
| Form DEFA14A Pure Storage, Inc. | SEC filing · Form DEFA14A | SEC EDGAR | +0.02% | +0.64% | |
| Form 8-K Pure Storage, Inc. For: May 28 | SEC filing · Form 8-K | SEC EDGAR | -1.58% | +3.13% | |
| Pure Storage Announces First Quarter Fiscal 2026 Financial Results | Press release | PR Newswire | -1.58% | +3.13% | |
| PURE STORAGE AND SK HYNIX COLLABORATE TO DELIVER PERFORMANCE AND ENERGY EFFICIENCY IN HYPERSCALE DATA CENTERS | Press release | PR Newswire | -1.66% | -1.98% | |
| Form SD Pure Storage, Inc. | SEC filing · Form SD | SEC EDGAR | -1.66% | -1.98% | |
| PORTWORX COLLABORATES WITH RED HAT TO UNLOCK COST SAVINGS AND OPERATIONAL SIMPLICITY WITH RED HAT OPENSHIFT VIRTUALIZATION ENGINE | Press release | PR Newswire | +0.89% | +2.27% | |
| Pure Storage Announces Date and Conference Call Information for First Quarter Fiscal 2026 Financial Results | Press release | PR Newswire | -1.62% | +0.25% | |
| Form ARS Pure Storage, Inc. For: Feb 02 | SEC filing · Form ARS | SEC EDGAR | +1.08% | +0.55% | |
| Form DEF 14A Pure Storage, Inc. For: Feb 02 | SEC filing · Form DEF | SEC EDGAR | +1.08% | +0.55% | |
| Form DEFA14A Pure Storage, Inc. | SEC filing · Form DEFA14A | SEC EDGAR | +1.08% | +0.55% | |
| Form 10-K Pure Storage, Inc. For: Feb 02 | SEC filing · Form 10-K | SEC EDGAR | -0.27% | -1.43% | |
| Form S-8 Pure Storage, Inc. | SEC filing · Form S-8 | SEC EDGAR | -0.27% | -1.43% | |
| Pure Storage Integrates NVIDIA AI Data Platform into FlashBlade to Fuel Enterprise AI Innovation | Press release | PR Newswire | -0.48% | +2.96% | |
| Pure Storage Introduces FlashBlade//EXA™, the World's Most Powerful Data Storage Platform for AI and High-Performance Computing | Press release | PR Newswire | +0.02% | +1.19% | |
| Form 8-K Pure Storage, Inc. For: Feb 26 | SEC filing · Form 8-K | SEC EDGAR | +1.45% | -2.22% | |
| Pure Storage Announces Fiscal Fourth Quarter and Full Year 2025 Financial Results | Press release | PR Newswire | +1.45% | -2.22% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the PSTG section they belong to.
Where else PSTG is measured.
PSTG earnings → · Analyst actions → · SEC filings →
Other Technology names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| Arrow Electronics, Inc. (ARW) | 375 | -0.02% | 49% |
| Entegris, Inc. (ENTG) | 375 | -0.02% | 47% |
| Dolphin Entertainment, Inc. (DLPN) | 374 | 0.00% | 34% |
| Gilat Satellite Networks Ltd. - Ordinary Shares (GILT) | 374 | +0.00% | 50% |
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 Technology names, measured the same way →
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Every name we’ve measured, in one place.
How the numbers are made.
How is Pure Storage, Inc. Class A's median reaction calculated?
Every labeled PSTG 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 375 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. 46% of PSTG'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 PSTG'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.