Constituent dispersion · breadth vs the ETF
XLK — Technology Select Sector
Broad advance - breadth is rising with price. Last 21 sessions — price +6.85% · A/D +47 (+0.65/name)
XLK 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 | +3.78% | +2.07% | -1.71pp | 58 / 14 | 21 / 51 | 14 of 72 |
| 5d | +4.13% | +0.17% | -3.96pp | 38 / 34 | 26 / 46 | 4 of 72 |
| 21d | +6.85% | +4.77% | -2.08pp | 47 / 25 | 33 / 39 | 4 of 72 |
| YTD | +33.38% | +22.89% | -10.49pp | 46 / 26 | 32 / 40 | 0 of 72 |
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)
- DELL+65.02%
- SNDK+52.44%
- HPE+43.63%
- MU+40.20%
- NTAP+34.93%
- KLAC-86.45%
- INTU-25.51%
- CIEN-21.66%
- PTC-17.88%
- ADSK-15.08%
Other ETFs & indices
Dispersion is computed across the constituents we cover in our data lake (see coverage badge). Decision-support, not investment advice.