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.