WTPI 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 | 2026-02-28 | Added / first present |
|---|
| United States Treasury Bills | United States Treasury Bills | 2026-02-28 | Added / first present |
|---|
| United States Treasury Bills | United States Treasury Bills | 2026-02-28 | Added / first present |
|---|
| SPXW 260320P06910000 | THE OPTIONS CLEARING CORPORATION | 2026-02-28 | Added / first present |
|---|
| SPXW 260306P07120000 | THE OPTIONS CLEARING CORPORATION | 2026-02-28 | Added / first present |
|---|
| SPXW 12 P6805 | CBOE GLOBAL MARKETS, INC. | 2025-11-30 | Added / first present |
|---|
| SPXW 12 P6945 | CBOE GLOBAL MARKETS, INC. | 2025-11-30 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| SPXW 12 P6805 | CBOE GLOBAL MARKETS, INC. | 2026-02-28 | Removed / first absent |
|---|
| SPXW 12 P6945 | CBOE GLOBAL MARKETS, INC. | 2026-02-28 | Removed / first absent |
|---|
| DREYFUS TRSY OBLIG CASH M | DREYFUS TRSY OBLIG CASH M | 2026-02-28 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-02-28 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-02-28 | Removed / first absent |
|---|
| SPXW 9 P6490 | CBOE GLOBAL MARKETS, INC. | 2025-11-30 | Removed / first absent |
|---|
| SPXW 9 P6415 | CBOE GLOBAL MARKETS, INC. | 2025-11-30 | Removed / first absent |
|---|