QBSF 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 |
|---|
| 4SPY 260630C00004880 | SPY 06/30/2026 4.88 C | 2026-04-30 | Added / first present |
|---|
| 4SPY 260630P00650270 | SPY 06/30/2026 650.27 P | 2026-04-30 | Added / first present |
|---|
| 4SPY 260630P00552790 | SPY 06/30/2026 552.79 P | 2026-04-30 | Added / first present |
|---|
| 4SPY 260630C00671350 | SPY 06/30/2026 671.35 C | 2026-04-30 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| 4SPY 260331C00005110 | SPY 03/31/2026 5.11 C | 2026-04-30 | Removed / first absent |
|---|
| 4SPY 260331P00681850 | SPY 03/31/2026 681.85 P | 2026-04-30 | Removed / first absent |
|---|
| 4SPY 260331P00579630 | SPY 03/31/2026 579.63 P | 2026-04-30 | Removed / first absent |
|---|
| 4SPY 260331C00698150 | SPY 03/31/2026 698.15 C | 2026-04-30 | Removed / first absent |
|---|