Portillo's Inc. - Class A (PTLO)
PTLO moved a median of -0.13% 30 minutes after news, and -0.29% by the close. How PTLO actually reacts to news — the realized, point-in-time move the market made, measured across 366 labeled events over the last three years with zero look-ahead.
PTLO’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | -0.04% | 44% | 365 |
| 30-min | -0.13% | 45% | 366 |
| 60-min | -0.07% | 45% | 366 |
| to close | -0.29% | 47% | 365 |
| Middle 50% of PTLO reactions | -0.91% to +1.03% |
|---|---|
| Median reaction (30-min) | -0.13% |
| Measured reactions | 366 |
Half of all Portillo's Inc. - Class A news events land between -0.91% and +1.03% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
How PTLO reacts, by analyst action.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst downgrades | 23 | -0.66% | 35% | -1.13% |
| Coverage initiations | 13 | -0.80% | 23% | 0.00% |
| Rating reiterations | 58 | -0.32% | 40% | -0.82% |
| Price-target cuts | 25 | -0.11% | 48% | -0.54% |
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 PTLO ranks against every other measured name →
That’s how PTLO usually reacts — get an email when it moves on news →Email me when PTLO moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to PTLO's baseline. Nothing else.
Recent PTLO events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Portillo’s Announces Third Quarter 2026 Earnings Webcast | Press release | GlobeNewswire | +0.13% | +3.08% | |
| Form 8-K Portillo's Inc. For: Oct 05 | SEC filing · Form 8-K | SEC EDGAR | -0.42% | +7.08% | |
| Portillo's and OREO Brand Go Beyond the Ordinary This Halloween by Launching a Trio of Tantalizing Treats | Press release | GlobeNewswire | -0.42% | +7.08% | |
| Portillo’s Celebrates National Cheeseburger Day with Plans for a New Restaurant in Buford, Georgia | Press release | GlobeNewswire | +1.48% | +0.81% | |
| Portillo’s and Dr Pepper “Shake” Things Up, Launching Limited-Time Shake and Cake Shake | Press release | GlobeNewswire | +4.64% | +1.31% | |
| Portillo’s Inc. Announces Second Quarter 2026 Financial Results | Press release | GlobeNewswire | -1.52% | -4.78% | |
| Portillo’s Appoints Kevin Kalicak as Chief Financial Officer | Press release | GlobeNewswire | -0.44% | +0.44% | |
| Portillo’s Announces Second Quarter 2026 Earnings Webcast | Press release | GlobeNewswire | -1.34% | -1.14% | |
| Portillo’s Appoints Christopher Hansen as Executive Chef and Senior Director of Culinary Innovation | Press release | GlobeNewswire | -0.45% | -2.14% | |
| Portillo’s Doubles Down in Hometown City of Chicago with New Wrigleyville Restaurant | Press release | GlobeNewswire | +0.22% | +0.66% | |
| Portillo's and Vienna Beef Celebrate America’s 250th Anniversary with the Debut of a New Hot Dog That Turns Up the Heat on an American Classic | Press release | GlobeNewswire | -0.11% | +3.37% | |
| Portillo’s Comes Home to the Heart of Chicago with Plans to Open Landmark Michigan Avenue Restaurant | Press release | GlobeNewswire | +0.52% | +3.91% | |
| Now Boarding: Cakes on a Plane | Press release | GlobeNewswire | +0.24% | +3.15% | |
| Portillo’s Inc. Announces First Quarter 2026 Financial Results | Press release | GlobeNewswire | -7.85% | -16.49% | |
| Portillo’s Turns Up the Heat this May with New Hot & Saucy Italian Beef Sandwich | Press release | GlobeNewswire | +0.24% | +3.67% | |
| Portillo’s Announces First Quarter 2026 Earnings Webcast | Press release | GlobeNewswire | -0.08% | +2.85% | |
| Portillo’s Appoints Jennifer Pecoraro-Striepling as Chief Development Officer | Press release | GlobeNewswire | -4.41% | -4.24% | |
| Eugene I. Lee, Jr. Appointed Chairman of the Board of Portillo’s; Michael A. Miles, Jr. to Retire as of Annual Meeting | Press release | GlobeNewswire | +0.86% | +5.80% | |
| Form 8-K Portillo's Inc. For: Mar 10 | SEC filing · Form 8-K | SEC EDGAR | +0.86% | +5.80% | |
| Portillo’s Introduces New Limited-Edition Birthday Cake and Cake Shake | Press release | GlobeNewswire | +0.97% | +1.17% | |
| Form 10-K Portillo's Inc. For: Dec 28 | SEC filing · Form 10-K | SEC EDGAR | -2.59% | -11.02% | |
| Form 8-K Portillo's Inc. For: Feb 24 | SEC filing · Form 8-K | SEC EDGAR | -2.59% | -11.02% | |
| Portillo’s Inc. Announces Fourth Quarter and Fiscal Year 2025 Financial Results | Press release | GlobeNewswire | -2.59% | -11.02% | |
| Form 8-K Portillo's Inc. For: Feb 11 | SEC filing · Form 8-K | SEC EDGAR | -1.72% | -5.86% | |
| Portillo’s Appoints Brett Patterson as President & Chief Executive Officer | Press release | GlobeNewswire | -1.72% | -5.86% | |
| Fall in Love with Portillo’s New Sauces and Red Hot Meal Deal This Valentine’s Day | Press release | GlobeNewswire | +1.04% | +1.90% | |
| Portillo’s Announces Fourth Quarter & Full-Year 2025 Earnings Webcast | Press release | GlobeNewswire | -0.17% | -5.38% | |
| Sink your Teeth into More Flavor, More Beef and More Value with Portillo's BIG Burger Bundle | Press release | GlobeNewswire | +0.00% | -0.86% | |
| Form 8-K Portillo's Inc. For: Jan 12 | SEC filing · Form 8-K | SEC EDGAR | +2.35% | +3.33% | |
| Portillo’s and DJ Moore Team Up to Give Chicago Football Fans the Ultimate Victory Meal | Press release | GlobeNewswire | -0.11% | -0.64% | |
| Portillo’s Launches Season of Surprises Holiday Promotion Throughout December | Press release | GlobeNewswire | -0.50% | -0.20% | |
| Form 10-Q Portillo's Inc. For: Sep 28 | SEC filing · Form 10-Q | SEC EDGAR | +5.17% | -1.42% | |
| Form 8-K Portillo's Inc. For: Nov 04 | SEC filing · Form 8-K | SEC EDGAR | +5.17% | -1.42% | |
| Portillo’s Inc. Announces Third Quarter 2025 Financial Results | Press release | GlobeNewswire | +5.17% | -1.42% | |
| Form 8-K Portillo's Inc. For: Oct 29 | SEC filing · Form 8-K | SEC EDGAR | -0.67% | -2.10% | |
| Form 8-K/A Portillo's Inc. For: Sep 21 | SEC filing · Form 8-K | SEC EDGAR | -1.00% | -0.46% | |
| Portillo’s Announces Third Quarter 2025 Earnings Webcast | Press release | GlobeNewswire | +0.31% | -0.08% | |
| Form 8-K Portillo's Inc. For: Sep 21 | SEC filing · Form 8-K | SEC EDGAR | -2.64% | -2.33% | |
| Portillo’s Announces Leadership Transition | Press release | GlobeNewswire | -2.64% | -2.33% | |
| Form 8-K Portillo's Inc. For: Sep 10 | SEC filing · Form 8-K | SEC EDGAR | +0.47% | -3.91% | |
| Portillo’s Provides Business Update Highlighting Development Priorities and Simplification Efforts | Press release | GlobeNewswire | +0.47% | -3.91% | |
| Portillo’s Inc. to Participate in Piper Sandler Growth Frontiers Conference | Press release | GlobeNewswire | -0.18% | -1.21% | |
| Portillo's Appoints Denise Lauer as Chief Marketing Officer | Press release | GlobeNewswire | -0.59% | -2.94% | |
| Portillo’s Has a Delicious Secret to Tell You | Press release | GlobeNewswire | -0.28% | +0.57% | |
| Form 10-Q Portillo's Inc. For: Jun 29 | SEC filing · Form 10-Q | SEC EDGAR | -0.02% | -7.73% | |
| Form 8-K Portillo's Inc. For: Aug 05 | SEC filing · Form 8-K | SEC EDGAR | -0.02% | -7.73% | |
| Portillo’s Inc. Announces Second Quarter 2025 Financial Results | Press release | GlobeNewswire | -0.02% | -7.73% | |
| Hot Diggity Dog! Portillo’s Celebrates National Hot Dog Day with Full Week of Sizzling Deals and Chicago-Style Collabs | Press release | GlobeNewswire | -0.48% | +0.09% | |
| Portillo’s Announces Second Quarter 2025 Earnings Webcast | Press release | GlobeNewswire | -0.79% | +0.96% | |
| Form 8-K Portillo's Inc. For: Jun 16 | SEC filing · Form 8-K | SEC EDGAR | +0.95% | +3.89% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the PTLO section they belong to.
Where else PTLO is measured.
PTLO earnings → · Analyst actions → · SEC filings →
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How the numbers are made.
How is Portillo's Inc. - Class A's median reaction calculated?
Every labeled PTLO 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 366 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. 45% of PTLO'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 PTLO'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.