Dataset inspection
M7_SP500_STATIC_20260924_V1
STATIC_SNAPSHOT · 503 symbols
Survivorship and selection bias. This is not historical point-in-time index membership.
Retrieved 2026-09-24; source revision 1375923233 (2026-09-20T22:18:13Z). Retrieval date is not the source effective date.
September21,2026 rebalance: BE/P/ILMN present; TAP/TTD/BLDR absent. Not a full licensed membership certification.
- Original development
- 8
- Expansion research
- 397
- Sealed cross-sectional validation
- 98 · SEALED
Sealed outcomes are unavailable. This is not an untouched temporal holdout.
Research uses Massive provider daily aggregate OHLC, not regular-session execution prices. PRE_BREAKOUT_V1 remains frozen.
Completed non-sealed research
ORIGINAL_DEVELOPMENT · d1c231ed-508d-4f44-9ff0-afc05069e390
EXPANSION_RESEARCH · ec34ffd7-c2e5-4cfb-9e9c-079d3fcaeeba
EXPANSION_RESEARCH · 3e3de5c6-e76b-4b71-a945-5e8a2047c251
EXPANSION_RESEARCH · 3386dc21-0b73-440c-850e-e16d8c511859
Ingestion progress
complete · 10 / 10 symbols · resumes 0
complete · 503 / 503 symbols · resumes 0
complete · 10 / 10 symbols · resumes 0
complete · 50 / 50 symbols · resumes 0
complete · 10 / 10 symbols · resumes 0
complete · 10 / 10 symbols · resumes 0
complete · 2 / 2 symbols · resumes 0
Data coverage
Non-sealed symbols 51–100. Expected 766 exchange sessions. Coverage is operational metadata, not signal performance.
| Symbol | Stored sessions | Missing | Revisions |
|---|---|---|---|
| BE | 766 | 0 | 0 |
| BEN | 766 | 0 | 0 |
| BF.B | 766 | 0 | 0 |
| BG | 766 | 0 | 0 |
| BKNG | 766 | 0 | 0 |
| BKR | 766 | 0 | 0 |
| BLK | 766 | 0 | 0 |
| BMY | 766 | 0 | 0 |
| BNY | 695 | 71 | 0 |
| BR | 766 | 0 | 0 |
| BRK.B | 766 | 0 | 0 |
| BRO | 766 | 0 | 0 |
| BSX | 766 | 0 | 0 |
| BX | 766 | 0 | 0 |
| BXP | 766 | 0 | 0 |
| C | 766 | 0 | 0 |
| CAH | 766 | 0 | 0 |
| CARR | 766 | 0 | 0 |
| CASY | 766 | 0 | 0 |
| CAT | 766 | 0 | 0 |
| CB | 766 | 0 | 0 |
| CBOE | 766 | 0 | 0 |
| CBRE | 766 | 0 | 0 |
| CCI | 766 | 0 | 0 |
| CCL | 766 | 0 | 0 |
| CDNS | 766 | 0 | 0 |
| CDW | 766 | 0 | 0 |
| CEG | 766 | 0 | 0 |
| CF | 766 | 0 | 0 |
| CFG | 766 | 0 | 0 |
| CHD | 766 | 0 | 0 |
| CHRW | 766 | 0 | 0 |
| CHTR | 766 | 0 | 0 |
| CIEN | 766 | 0 | 0 |
| CINF | 766 | 0 | 0 |
| CL | 766 | 0 | 0 |
| CLX | 766 | 0 | 0 |
| CMCSA | 766 | 0 | 0 |
| CMG | 766 | 0 | 0 |
| CMI | 766 | 0 | 0 |
| CNC | 766 | 0 | 0 |
| CNP | 766 | 0 | 0 |
| COF | 766 | 0 | 0 |
| COHR | 766 | 0 | 0 |
| COO | 766 | 0 | 0 |
| COP | 766 | 0 | 0 |
| COR | 766 | 0 | 0 |
| COST | 766 | 0 | 0 |
| CPRT | 766 | 0 | 0 |
| CPT | 766 | 0 | 0 |