U.S. Macro Indicator
Continuously updated series (no discrete release)
Latest reading: 37.9 % (2026-10-22).
Top-10 constituent weight of the S&P 500 (via SPY ETF holdings) — a market-concentration gauge. Rising concentration means index-level strength can mask weaker breadth among the remaining constituents, making the index more sensitive to a handful of mega-cap earnings and valuations.
| Period | Value | |
|---|---|---|
| 2026-10-22 | 37.9 % | |
| 2026-10-15 | 38.6 % | |
| 2026-10-08 | 39.1 % | |
| 2026-10-01 | 38.9 % | |
| 2026-09-24 | 38.8 % | |
| 2026-09-17 | 38.5 % | |
| 2026-09-10 | 38.2 % | |
| 2026-09-03 | 38.1 % | |
| 2026-08-27 | 37.6 % | |
| 2026-08-20 | 37.3 % | |
| 2026-08-13 | 37.6 % | |
| 2026-08-06 | 38.1 % |