USG 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 |
|---|
| GCM6 | COMMODITIES EXCHANGE CENTER | 2026-03-31 | Added / first present |
|---|
| OGK6 C5200 | COMMODITIES EXCHANGE CENTER | 2026-03-31 | Added / first present |
|---|
| GCG6 | COMMODITY EXCHANGE, INC. | 2025-12-31 | Added / first present |
|---|
| GCG6C5000 | COMMODITY EXCHANGE, INC. | 2025-12-31 | Added / first present |
|---|
| GCZ5 | COMMODITY EXCHANGE, INC. | 2025-09-30 | Added / first present |
|---|
| GCX5C4050 | COMMODITY EXCHANGE, INC. | 2025-09-30 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| GCG6 | COMMODITY EXCHANGE, INC. | 2026-03-31 | Removed / first absent |
|---|
| GCG6C5000 | COMMODITY EXCHANGE, INC. | 2026-03-31 | Removed / first absent |
|---|
| GCZ5 | COMMODITY EXCHANGE, INC. | 2025-12-31 | Removed / first absent |
|---|
| GCX5C4050 | COMMODITY EXCHANGE, INC. | 2025-12-31 | Removed / first absent |
|---|
| GCQ5 | COMMODITY EXCHANGE, INC. | 2025-09-30 | Removed / first absent |
|---|
| GCQ5C3550 | COMMODITY EXCHANGE, INC. | 2025-09-30 | Removed / first absent |
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