Olympic Steel, Inc. (ZEUS)
ZEUS moved a median of -0.17% 30 minutes after news, and +0.36% by the close. How ZEUS actually reacts to news — the realized, point-in-time move the market made, measured across 172 labeled events over the last three years with zero look-ahead.
ZEUS’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | 0.00% | 36% | 143 |
| 30-min | -0.17% | 45% | 145 |
| 60-min | -0.03% | 48% | 145 |
| to close | +0.36% | 59% | 145 |
| Middle 50% of ZEUS reactions | -1.03% to +1.05% |
|---|---|
| Median reaction (30-min) | -0.17% |
| Measured reactions | 172 |
Half of all Olympic Steel, Inc. news events land between -1.03% and +1.05% at 30 minutes.
Reaction stats as of 2026-08-31. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
Email me when ZEUS moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to ZEUS's baseline. Nothing else.
Recent ZEUS events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Form 15-12G OLYMPIC STEEL INC | SEC filing · Form 15-12G | SEC EDGAR | — | — | |
| Form EFFECT OLYMPIC STEEL INC | SEC filing · Form EFFECT | SEC EDGAR | — | — | |
| Form 8-K OLYMPIC STEEL INC For: Feb 13 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Form POS AM OLYMPIC STEEL INC | SEC filing · Form POS | SEC EDGAR | — | — | |
| Form S-8 POS OLYMPIC STEEL INC | SEC filing · Form S-8 | SEC EDGAR | — | — | |
| Form 8-K OLYMPIC STEEL INC For: Feb 12 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Olympic Steel Names Matthew Grussing Vice President of Fabrication | Press release | Business Wire | +0.59% | -6.16% | |
| Form 8-K OLYMPIC STEEL INC For: Feb 02 | SEC filing · Form 8-K | SEC EDGAR | -0.75% | +0.17% | |
| Form DEFA14A OLYMPIC STEEL INC | SEC filing · Form DEFA14A | SEC EDGAR | -0.75% | +0.17% | |
| Form DEFM14A OLYMPIC STEEL INC | SEC filing · Form DEFM14A | SEC EDGAR | -1.32% | +3.04% | |
| Halper Sadeh LLC Encourages SEE, ALEX, RYI, ZEUS Shareholders to Contact the Firm to Discuss Their Rights | Press release | GlobeNewswire | -1.32% | +3.04% | |
| Form 10-Q OLYMPIC STEEL INC For: Sep 30 | SEC filing · Form 10-Q | SEC EDGAR | +2.88% | +8.09% | |
| Form 8-K OLYMPIC STEEL INC For: Oct 28 | SEC filing · Form 8-K | SEC EDGAR | +2.88% | +8.09% | |
| ZEUS Stock Alert: Halper Sadeh LLC is Investigating Whether the Sale of Olympic Steel, Inc. is Fair to Shareholders | Press release | Business Wire | -2.08% | +7.69% | |
| Form 8-K OLYMPIC STEEL INC For: Oct 28 | SEC filing · Form 8-K | SEC EDGAR | -2.08% | +7.69% | |
| Olympic Steel Reports Third-Quarter 2025 Results | Press release | Business Wire | -2.08% | +7.69% | |
| Olympic Steel Welcomes Larry N. Norred, Jr. as General Manager for Its Georgia Operations | Press release | Business Wire | +0.79% | +0.40% | |
| Olympic Steel Appoints Joseph L. Casey Director – Manufactured Metal Products | Press release | Business Wire | +0.00% | +1.66% | |
| Webcast Alert: Olympic Steel to Announce Third-Quarter 2025 Financial Results After Market Closes on October 30, 2025 | Press release | Business Wire | -0.50% | +1.67% | |
| Olympic Steel Names Vincent Anza General Manager | Press release | Business Wire | +0.00% | -0.44% | |
| Form 10-Q OLYMPIC STEEL INC For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | +1.45% | -3.27% | |
| Form 8-K OLYMPIC STEEL INC For: Jul 31 | SEC filing · Form 8-K | SEC EDGAR | -2.57% | -3.11% | |
| Olympic Steel Reports Second-Quarter 2025 Results | Press release | Business Wire | -2.57% | -3.11% | |
| Webcast Alert: Olympic Steel to Announce Second-Quarter 2025 Financial Results After Market Closes on July 31, 2025 | Press release | Business Wire | +0.00% | +4.16% | |
| Form EFFECT OLYMPIC STEEL INC | SEC filing · Form EFFECT | SEC EDGAR | +0.46% | +1.56% | |
| Form S-3 OLYMPIC STEEL INC | SEC filing · Form S-3 | SEC EDGAR | +0.00% | -1.05% | |
| Olympic Steel Welcomes Peter J. Scott as Board Member | Press release | Business Wire | -1.03% | +0.15% | |
| Form 10-Q OLYMPIC STEEL INC For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | -1.03% | +0.15% | |
| Form 8-K OLYMPIC STEEL INC For: May 02 | SEC filing · Form 8-K | SEC EDGAR | -1.03% | +0.15% | |
| Form 8-K OLYMPIC STEEL INC For: May 01 | SEC filing · Form 8-K | SEC EDGAR | -2.25% | +0.00% | |
| Olympic Steel Reports First-Quarter 2025 Results | Press release | Business Wire | -2.25% | +0.00% | |
| Olympic Steel Announces Completion of Amendment and Extension of Credit Facility | Press release | Business Wire | +0.00% | +2.09% | |
| Form 8-K OLYMPIC STEEL INC For: Apr 17 | SEC filing · Form 8-K | SEC EDGAR | -1.12% | -1.78% | |
| Olympic Steel Welcomes Alex Hegler as General Manager | Press release | Business Wire | +0.00% | -0.79% | |
| Olympic Steel Recognized as John Deere “Partner-Level Supplier” | Press release | Business Wire | +1.27% | +0.13% | |
| Webcast Alert: Olympic Steel to Announce First-Quarter 2025 Financial Results After Market Closes on May 1, 2025 | Press release | Business Wire | +1.75% | +2.59% | |
| Olympic Steel Announces Opening of New Facility in Houston, Texas, to Support Action Stainless Business | Press release | Business Wire | +0.26% | +0.32% | |
| Form ARS OLYMPIC STEEL INC For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | +0.26% | +0.32% | |
| Form DEF 14A OLYMPIC STEEL INC For: May 02 | SEC filing · Form DEF | SEC EDGAR | +0.26% | +0.32% | |
| Olympic Steel Welcomes Joseph D. Goins as General Manager | Press release | Business Wire | +2.18% | +0.40% | |
| Olympic Steel Promotes Jerry Gideon to Vice President | Press release | Business Wire | +0.00% | -0.51% | |
| Olympic Steel Promotes Scott Zito to Vice President | Press release | Business Wire | +0.00% | +1.45% | |
| Form 10-K OLYMPIC STEEL INC For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | -0.57% | -4.75% | |
| Form 8-K OLYMPIC STEEL INC For: Feb 20 | SEC filing · Form 8-K | SEC EDGAR | +1.87% | +4.15% | |
| Olympic Steel Reports Fourth-Quarter 2024 Results | Press release | Business Wire | +1.87% | +4.15% | |
| Olympic Steel Promotes Brant Harbert to General Manager | Press release | Business Wire | +0.06% | +2.52% | |
| Webcast Alert: Olympic Steel to Announce Fourth-Quarter 2024 Financial Results After Market Closes on February 20, 2025 | Press release | Business Wire | +0.00% | -1.47% | |
| Form 8-K OLYMPIC STEEL INC For: Dec 18 | SEC filing · Form 8-K | SEC EDGAR | -0.45% | +0.93% | |
| Olympic Steel Acquires Metal Works | Press release | Business Wire | +0.00% | +1.54% | |
| Form 10-Q OLYMPIC STEEL INC For: Sep 30 | SEC filing · Form 10-Q | SEC EDGAR | +0.95% | +1.26% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the ZEUS section they belong to.
Where else ZEUS is measured.
ZEUS earnings → · Analyst actions → · SEC filings →
Other Basic Materials names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| ROYAL DSM NV S/ADR (RDSMY) | 175 | -0.01% | 38% |
| PALADIN ENERGY LTD (PALAF) | 172 | 0.00% | 42% |
| Cameco Corporation (CCJ) | 171 | -0.09% | 46% |
| PV NANO CELL LTD (PVNNF) | 171 | 0.00% | 12% |
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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Every name we’ve measured, in one place.
How the numbers are made.
How is Olympic Steel, Inc.'s median reaction calculated?
Every labeled ZEUS 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 172 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 ZEUS'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 2026-08-31.
Does ZEUS'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.