XDTE 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 |
|---|
| FGXXX | First American Government Obli | 2025-12-31 | Added / first present |
|---|
| WEEK | Roundhill Weekly T-Bill ETF | 2025-06-30 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| FGXXX | First American Government Obli | 2025-09-30 | Removed / first absent |
|---|