Core Natural Resources, Inc. short interest in 2026
In 2026, Core Natural Resources, Inc.'s disclosed short interest ran from 5.17% of shares outstanding on 15 Jan 2026 to 3.83% on 15 Sep 2026, a change of -1.34 percentage points. The year's high was 5.17% on 15 Jan 2026 and its low 3.06% on 31 Jul 2026, averaging 3.80% across 17 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 4.36 days on 15 Sep 2026. Full history: Core Natural Resources, Inc..
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By year: 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026
2026 in figures
- Start of year
- 5.17% (15 Jan 2026)
- End of year
- 3.83% (15 Sep 2026)
- Change
- -1.34 pp
- High
- 5.17% (15 Jan 2026)
- Low
- 3.06% (31 Jul 2026)
- Average
- 3.80%
- Highest days to cover
- 4.36 (15 Sep 2026)
- SEC filings marked
- 6
Every report in 2026
| Settlement | Short interest | Days to cover | Filings since previous |
|---|---|---|---|
| 15 Jan 2026 | 5.17% | 3.79 | |
| 30 Jan 2026 | 4.86% | 3.55 | |
| 13 Feb 2026 | 3.92% | 2.38 | results (8-K) |
| 27 Feb 2026 | 4.07% | 2.94 | 10-K filed |
| 13 Mar 2026 | 4.23% | 1.79 | |
| 31 Mar 2026 | 3.80% | 1.43 | |
| 15 Apr 2026 | 3.22% | 1.83 | |
| 30 Apr 2026 | 4.16% | 2.67 | |
| 15 May 2026 | 3.73% | 2.29 | 10-Q filed, results (8-K) |
| 29 May 2026 | 4.14% | 3.11 | |
| 15 Jun 2026 | 3.12% | 2.35 | |
| 30 Jun 2026 | 3.19% | 1.88 | |
| 15 Jul 2026 | 3.33% | 3.38 | |
| 31 Jul 2026 | 3.06% | 2.83 | |
| 14 Aug 2026 | 3.18% | 2.71 | 10-Q filed, results (8-K) |
| 31 Aug 2026 | 3.66% | 3.38 | |
| 15 Sep 2026 | 3.83% | 4.36 |
See also: Core Natural Resources, Inc.'s full history · today's US league.
About this data
US short interest data: FINRA (finra.org), shown as reported shares short divided by SEC-reported shares outstanding for each settlement date. FINRA® is a registered trademark of the Financial Industry Regulatory Authority, Inc. This site is not affiliated with or endorsed by FINRA or the SEC; displayed for personal reference, bulk redistribution is not permitted (see terms). Nothing here is investment advice. Method: methodology.