BITX 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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| TREASURY BILL | TREASURY BILL | 2026-02-28 | Added / first present |
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| BTCJ6 | N/A | 2026-02-28 | Added / first present |
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| BTCH6 | N/A | 2026-02-28 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2025-11-30 | Added / first present |
|---|
| BTCF6 | N/A | 2025-11-30 | Added / first present |
|---|
| BTCZ5 | N/A | 2025-11-30 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2025-08-31 | Added / first present |
|---|
| BTCV5 | N/A | 2025-08-31 | Added / first present |
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| BTCU5 | N/A | 2025-08-31 | Added / first present |
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| BTCM5 | N/A | 2025-05-31 | Added / first present |
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| BTCN5 | N/A | 2025-05-31 | Added / first present |
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| BTCJ5 | N/A | 2025-02-28 | Added / first present |
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| BTCH5 | N/A | 2025-02-28 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2024-11-30 | Added / first present |
|---|
| BTCZ4 | N/A | 2024-11-30 | Added / first present |
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| BTCF5 | N/A | 2024-11-30 | Added / first present |
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| 9REPOPLK4 | 9REPOPLK4 | 2024-08-31 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2024-08-31 | Added / first present |
|---|
| BTCV4 | N/A | 2024-08-31 | Added / first present |
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| BTCU4 | N/A | 2024-08-31 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2024-05-31 | Added / first present |
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| BTCN4 | N/A | 2024-05-31 | Added / first present |
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| BTCM4 | N/A | 2024-05-31 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
|---|
| TREASURY BILL | TREASURY BILL | 2026-02-28 | Removed / first absent |
|---|
| BTCF6 | N/A | 2026-02-28 | Removed / first absent |
|---|
| BTCZ5 | N/A | 2026-02-28 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-11-30 | Removed / first absent |
|---|
| BTCV5 | N/A | 2025-11-30 | Removed / first absent |
|---|
| BTCU5 | N/A | 2025-11-30 | Removed / first absent |
|---|
| BTCM5 | N/A | 2025-08-31 | Removed / first absent |
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| BTCN5 | N/A | 2025-08-31 | Removed / first absent |
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| BTCJ5 | N/A | 2025-05-31 | Removed / first absent |
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| BTCH5 | N/A | 2025-05-31 | Removed / first absent |
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| TREASURY BILL | TREASURY BILL | 2025-02-28 | Removed / first absent |
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| BTCZ4 | N/A | 2025-02-28 | Removed / first absent |
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| BTCF5 | N/A | 2025-02-28 | Removed / first absent |
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| TREASURY BILL | TREASURY BILL | 2024-11-30 | Removed / first absent |
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| BTCV4 | N/A | 2024-11-30 | Removed / first absent |
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| BTCU4 | N/A | 2024-11-30 | Removed / first absent |
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| TREASURY BILL | TREASURY BILL | 2024-08-31 | Removed / first absent |
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| BTCN4 | N/A | 2024-08-31 | Removed / first absent |
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| BTCM4 | N/A | 2024-08-31 | Removed / first absent |
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| FGXXX | First American Government Obli | 2025-11-30 | Removed / first absent |
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| BTCJ4 | N/A | 2024-05-31 | Removed / first absent |
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| BTCH4 | N/A | 2024-05-31 | Removed / first absent |
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