XV 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 |
|---|
| DTRXX | DREYFUS TRSY OBLIG CASH M | 2026-03-31 | Added / first present |
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| United States Treasury Bills | United States Treasury Bills | 2026-03-31 | Added / first present |
|---|
| United States Treasury Bills | United States Treasury Bills | 2026-03-31 | Added / first present |
|---|
| ESM6 | CHICAGO MERCANTILE EXCHANGE INC. | 2026-03-31 | Added / first present |
|---|
| United States Treasury Bills | United States Treasury Bills | 2026-03-31 | Added / first present |
|---|
| SPXW 260417P06000000 | THE OPTIONS CLEARING CORPORATION | 2026-03-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-12-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-12-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-12-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-12-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-12-31 | Added / first present |
|---|
| SPX 1 P5450 | CBOE GLOBAL MARKETS, INC. | 2025-12-31 | Added / first present |
|---|
| SPXW 2 P5600 | CBOE GLOBAL MARKETS, INC. | 2025-12-31 | Added / first present |
|---|
| RUT 1 P2000 | CBOE GLOBAL MARKETS, INC. | 2025-12-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-09-30 | Added / first present |
|---|
| SPXW 12 P5200 | CBOE GLOBAL MARKETS, INC. | 2025-09-30 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-09-30 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-09-30 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-09-30 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-09-30 | Added / first present |
|---|
| SBIL | Simplify Government Money Market ETF | 2025-09-30 | Added / first present |
|---|
| RUTW 12 P1920 | CBOE GLOBAL MARKETS, INC. | 2025-09-30 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| TREASURY BILL | TREASURY BILL | 2026-03-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-03-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-03-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-03-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-03-31 | Removed / first absent |
|---|
| SPX 1 P5450 | CBOE GLOBAL MARKETS, INC. | 2026-03-31 | Removed / first absent |
|---|
| SPXW 2 P5600 | CBOE GLOBAL MARKETS, INC. | 2026-03-31 | Removed / first absent |
|---|
| RUT 1 P2000 | CBOE GLOBAL MARKETS, INC. | 2026-03-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-12-31 | Removed / first absent |
|---|
| SPXW 12 P5200 | CBOE GLOBAL MARKETS, INC. | 2025-12-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-12-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-12-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-12-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-12-31 | Removed / first absent |
|---|
| RUTW 12 P1920 | CBOE GLOBAL MARKETS, INC. | 2025-12-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-09-30 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-09-30 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-09-30 | Removed / first absent |
|---|