Constituent dispersion · breadth vs the ETF
QTOP — iShares Nasdaq-100 Top 30
Weakening below the surface - the A/D line is falling while price holds up; leadership is narrowing. Last 21 sessions — price +1.54% · A/D -4 (-0.13/name)
QTOP price
Cumulative advance / decline of constituents — rises when more names are up than down; turns before price at inflections
Dispersion by window
| Window | ETF | Median | Median − ETF | Up / Down | Beat / Lag | ±1% band |
|---|---|---|---|---|---|---|
| 1d | +3.12% | +2.50% | -0.62pp | 24 / 7 | 12 / 19 | 12 of 31 |
| 5d | +3.93% | +1.54% | -2.39pp | 23 / 8 | 11 / 20 | 2 of 31 |
| 21d | +1.54% | -0.60% | -2.14pp | 15 / 16 | 12 / 19 | 3 of 31 |
| YTD | +22.08% | +13.90% | -8.18pp | 22 / 9 | 10 / 21 | 1 of 31 |
Median − ETF below zero means the typical name is lagging the cap-weighted index — the move is top-heavy. "Beat" counts constituents outperforming the ETF over the window.
Leaders & laggards (21-day)
- MU+40.20%
- AMAT+33.13%
- LRCX+30.01%
- AMD+21.69%
- SHOP+15.47%
- KLAC-86.45%
- AVGO-10.43%
- NVDA-9.88%
- WMT-8.79%
- AMZN-7.93%
Other ETFs & indices
Dispersion is computed across the constituents we cover in our data lake (see coverage badge). Decision-support, not investment advice.