South Star Mining Corp (STS_CDNX)
STS_CDNX moved a median of 0.00% 30 minutes after news, and -0.69% by the close. How STS_CDNX actually reacts to news — the realized, point-in-time move the market made, measured across 64 labeled events over the last three years with zero look-ahead.
STS_CDNX’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | 0.00% | 18% | 22 |
| 30-min | 0.00% | 14% | 22 |
| 60-min | 0.00% | 14% | 22 |
| to close | -0.69% | 27% | 22 |
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
Email me when STS_CDNX moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to STS_CDNX's baseline. Nothing else.
Recent STS_CDNX events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| South Star Hosts Harvard Students for Potential AI Use at Santa Cruz | Press release | GlobeNewswire | — | — | |
| South Star Achieves Graphite Purchase Order Milestone | Press release | GlobeNewswire | — | — | |
| South Star Announces Santa Cruz Operational Update; First Shipment of Graphite Shipped | Press release | GlobeNewswire | — | — | |
| South Star Announces Closing of Final Tranche of Non-Brokered Private Placement of Shares | Press release | GlobeNewswire | — | — | |
| South Star Announces Santa Cruz Operational Update; First Shipment of Graphite Shipped | Press release | GlobeNewswire | — | — | |
| South Star Announces Upsize and Closing of First Tranche of Non-Brokered Private Placement of Shares | Press release | GlobeNewswire | — | — | |
| Tiago Cunha Announces Acquisition of Shares in South Star Battery Metals Corp. | Press release | GlobeNewswire | — | — | |
| South Star Announces Non-Brokered Private Placement | Press release | GlobeNewswire | — | — | |
| South Star Announces Corporate Updates: Santa Cruz Plant Progress and Corporate Planning | Press release | GlobeNewswire | — | — | |
| South Star Announces Re-Start of Santa Cruz Plant Ahead of Schedule | Press release | GlobeNewswire | — | — | |
| South Star Announces Corporate Update | Press release | GlobeNewswire | — | — | |
| South Star Management to Attend Prospectors and Developers Association of Canada (PDAC) 2026 Conference | Press release | GlobeNewswire | — | — | |
| Form D South Star Battery Metal | SEC filing · Form D | SEC EDGAR | — | — | |
| South Star Announces Q3 2025 Financial and Operating Results | Press release | GlobeNewswire | — | — | |
| South Star Announces Closing of Final Tranche of Private Placement and Announces AGSM Results | Press release | GlobeNewswire | — | — | |
| Form D South Star Battery Metal | SEC filing · Form D | SEC EDGAR | — | — | |
| South Star Announces Upsize of Non-Brokered Private Placement | Press release | GlobeNewswire | — | — | |
| South Star Announces Closing of Second Tranche of Non-Brokered Private Placement of Units | Press release | GlobeNewswire | — | — | |
| South Star Announces Closing of First Tranche of Non-Brokered Private Placement of Units | Press release | GlobeNewswire | — | — | |
| South Star Provides Updates on Changes to Management and Board and Provides Operational Update | Press release | GlobeNewswire | — | — | |
| South Star Announces Non-Brokered Private Placements | Press release | GlobeNewswire | — | — | |
| South Star Announces Resignation of CEO | Press release | GlobeNewswire | — | — | |
| South Star Announces Indicative Term Sheet for US$4M Debt Financing for the Santa Cruz Graphite Mine in Brazil and Appointment of New CFO | Press release | GlobeNewswire | — | — | |
| South Star Announces Closing of First Tranche of Private Placement, Extension and US$450,000 of Bridge Loans | Press release | GlobeNewswire | — | — | |
| South Star Battery Metals Announces Repricing Warrant of Non-Brokered Private Placement | Press release | GlobeNewswire | — | — | |
| South Star Battery Metals Announces Selection by BNDES and FINEP for Strategic Minerals Funding Program, Maiden Shipment of Flake Graphite from the Santa Cruz Mine and Operational Update | Press release | GlobeNewswire | — | — | |
| South Star Battery Metals Enhances Board of Directors | Press release | ACCESS Newswire | — | — | |
| South Star Battery Metals Announces Memorandum of Understanding with the University of Alabama - Alabama Mobility and Power Center to Develop Graphite Anode Materials | Press release | ACCESS Newswire | — | — | |
| South Star Battery Metals Announces Option, DSU and RSU Grants | Press release | ACCESS Newswire | — | — | |
| South Star Battery Metals Announces Exercise of Earn-in and Acquisition of 100% of the BamaStar Graphite Project in Coosa County, Alabama | Press release | Accesswire | — | — | |
| Form D South Star Battery Metal | SEC filing · Form D | SEC EDGAR | — | — | |
| South Star Battery Metals Announces Closing of Final Tranche of Upsized Private Placement Raising Gross Proceeds of US$3M | Press release | Accesswire | — | — | |
| South Star Battery Metals Announces Upsize of Non-Brokered Private Placement to Raise Up to US$3.20M, Extends Closing and Amended and Restated Stream Agreement | Press release | Accesswire | — | — | |
| South Star Battery Metals Announces Closing of Tranche 2 of Non-Brokered Private Placement | Press release | Accesswire | — | — | |
| South Star Battery Metals Announces Closing of Tranche 1 of Non-Brokered Private Placement | Press release | Accesswire | — | — | |
| South Star Battery Metals Announces Repricing of Non-Brokered Private Placement and Approval of Omnibus Incentive Plan | Press release | Accesswire | — | — | |
| South Star Announces Filing of Technical Report with Significant Increase in Mineral Resources and Positive BamaStar Economic Results for Vertically Integrated Graphite Mine and Value-Add Project in Alabama, U.S.A. | Press release | Accesswire | — | — | |
| South Star Announces Filing of Technical Report with Significant Increase in Mineral Resources and Positive BamaStar Economic Results for Vertically Integrated Graphite Mine and Value-Add Project in Alabama, U.S.A. | Press release | Accesswire | — | — | |
| South Star Battery Metals Announces Non-Brokered Private Placement | Press release | Accesswire | — | — | |
| South Star Announces Webinar with an Overview of the BamaStar NI 43-101 PEA for Vertically Integrated Graphite Mine and Value-Add Project in Alabama, U.S.A. | Press release | Accesswire | — | — | |
| South Star Announces Significant Increase in Mineral Resources and Positive BamaStar PEA Results for Vertically Integrated Graphite Mine and Value-Add Project in Alabama, U.S.A. | Press release | Accesswire | — | — | |
| South Star Announces First Product and Start of Commercial Production Ramp-up at Santa Cruz Phase 1 Graphite Mine in Bahia Brazil, as Well as Board Change | Press release | Accesswire | — | — | |
| South Star Announces Successful Purification of BamaStar Graphite Project in Alabama, U.S.A. to Battery Grade Purity | Press release | Accesswire | +0.00% | +0.00% | |
| South Star Announces Additional Sales of Natural Flake Graphite Concentrate to U.S. Customer | Press release | Accesswire | +0.00% | -1.82% | |
| South Star Announces Successful Product Qualification and 100-Tonne Sale of Natural Flake Graphite Concentrate to U.S. Customer | Press release | Accesswire | +0.00% | +0.00% | |
| South Star Announces Substantial Completion and Commissioning of the Santa Cruz Phase 1 Graphite Mine in Brazil | Press release | Accesswire | +0.00% | -3.39% | |
| South Star Battery Metals Announces Successful Metallurgical Results for its BamaStar Graphite Project in Alabama, USA | Press release | Accesswire | +0.00% | -1.61% | |
| South Star Battery Metals Announces Land Purchase, Construction Update, and the Approval of the Definitive Mining Licenses For Phases 1, 2 & 3 for its Santa Cruz Graphite Mine in Brazil | Press release | Accesswire | +8.20% | +1.64% | |
| Canadian Investment Regulatory Organization Trade Resumption - STS | Press release | Canada Newswire | +0.00% | -9.23% | |
| Canadian Investment Regulatory Organization Trading Halt - STS | Press release | Canada Newswire | +0.00% | -9.23% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the STS_CDNX section they belong to.
Where else STS_CDNX is measured.
STS_CDNX earnings → · Analyst actions → · SEC filings →
Other Basic Materials names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| DIAMCOR MINING INC ORD (DMIFF) | 64 | 0.00% | 16% |
| Golden Arrow Resources Corp (GRG_CDNX) | 64 | 0.00% | 4% |
| AIM EXPLORATION INC (AEXE) | 63 | 0.00% | 38% |
| TINKA RESOURCES LTD (TKRFF) | 63 | 0.00% | 32% |
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 South Star Mining Corp's median reaction calculated?
Every labeled STS_CDNX 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 64 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. 14% of STS_CDNX'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 STS_CDNX'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.