Constituent dispersion · breadth vs the ETF
XLC — Communication Services Select Sector
Broad decline - breadth is falling with price. Last 21 sessions — price -4.2% · A/D -28 (-1.22/name)
XLC 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 | +0.48% | -0.05% | -0.54pp | 10 / 13 | 8 / 15 | 7 of 23 |
| 5d | +0.99% | +1.45% | +0.46pp | 15 / 8 | 14 / 9 | 8 of 23 |
| 21d | -4.20% | -3.54% | +0.66pp | 7 / 16 | 13 / 10 | 3 of 23 |
| YTD | -4.39% | -6.54% | -2.14pp | 5 / 18 | 11 / 12 | 2 of 23 |
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)
- OMC+6.89%
- TKO+4.51%
- PSKY+3.76%
- LYV+3.45%
- EA+1.17%
- FOXA-16.17%
- FOX-14.75%
- SATS-12.76%
- TTWO-10.80%
- GOOGL-7.91%
Other ETFs & indices
Dispersion is computed across the constituents we cover in our data lake (see coverage badge). Decision-support, not investment advice.