COAL additions & removals
Changes are observation-bounded: an addition is the first retained official snapshot containing a security after an earlier absence; a removal is its first retained absence. Baseline holdings receive no invented addition date.
Additions
| Ticker | Issuer | Observed date | Change |
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| AMERICAN RESOURCES CORPORATION | AMERICAN RESOURCES CORPORATION | 2025-11-30 | Added / first present |
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| RAMACO RESOURCES, INC. | RAMACO RESOURCES, INC. | 2025-08-31 | Added / first present |
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| RAMACO RESOURCES, INC. | RAMACO RESOURCES, INC. | 2025-02-28 | Added / first present |
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| CORE NATURAL RESOURCES, INC. | CORE NATURAL RESOURCES, INC. | 2025-02-28 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
|---|
| RAMACO RESOURCES, INC. | RAMACO RESOURCES, INC. | 2025-11-30 | Removed / first absent |
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| RAMACO RESOURCES, INC. | RAMACO RESOURCES, INC. | 2025-05-31 | Removed / first absent |
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| CORE NATURAL RESOURCES, INC. | CORE NATURAL RESOURCES, INC. | 2025-05-31 | Removed / first absent |
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| BHP GROUP LIMITED | BHP GROUP LIMITED | 2025-11-30 | Removed / first absent |
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| CONSOL ENERGY INC. | CONSOL ENERGY INC. | 2025-02-28 | Removed / first absent |
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| ARCH RESOURCES, INC. | ARCH RESOURCES, INC. | 2025-02-28 | Removed / first absent |
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| ALPHA METALLURGICAL RESOURCES, INC. | ALPHA METALLURGICAL RESOURCES, INC. | 2025-11-30 | Removed / first absent |
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| NOVUSTERRA INC | NOVUSTERRA INC | 2025-11-30 | Removed / first absent |
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