Constituent dispersion · breadth vs the index
XLY — Consumer Discretionary Select Sector
Concentration 58.47% in top 5 8.73 effective names · HHI 1145
RS vs S&P 500 21d +0.15pp sector return − SPY
RS vs Nasdaq-100 21d -1.29pp sector return − QQQ
Broad advance - breadth is rising with price. Last 21 sessions — price +1.66% · A/D +117 (+2.44/name)
XLY 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 | Dispersion |
|---|---|---|---|---|---|---|---|
| 1d | -0.09% | +0.04% | +0.13pp | 24 / 24 | 25 / 23 | 25 of 48 | ±2.1% |
| 5d | +2.24% | +2.26% | +0.03pp | 41 / 7 | 24 / 24 | 14 of 48 | ±4.19% |
| 21d | +1.66% | +7.60% | +5.94pp | 37 / 11 | 36 / 12 | 5 of 48 | ±10.4% |
| YTD | -0.60% | +1.45% | +2.05pp | 23 / 23 | 25 / 21 | 3 of 46 | ±18.55% |
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. Dispersion is the cross-sectional standard deviation of constituent returns — high = a stock-picker's tape, low = pure beta.
What drove the move — contribution = weight × return
Today (1d)
- HD+2.20%+0.12pp
- RCL+6.55%+0.11pp
- CVNA+7.49%+0.08pp
- GM+3.15%+0.05pp
- LOW+1.74%+0.05pp
- TSLA-1.58%-0.31pp
- TJX-0.60%-0.03pp
- ROST-0.96%-0.02pp
- DECK-2.07%-0.01pp
- MAR-0.38%-0.01pp
This month (21d)
- HD+13.30%+0.74pp
- TJX+12.81%+0.56pp
- BKNG+14.01%+0.43pp
- RCL+18.81%+0.32pp
- MAR+13.23%+0.27pp
- AMZN-6.87%-1.73pp
- TSLA-4.16%-0.81pp
- SBUX-4.81%-0.13pp
- AZO-8.11%-0.1pp
- EBAY-3.32%-0.04pp
Each name's contribution = its index weight × its return — the percentage points it added to (green) or subtracted from (red) the ETF's move. Computed across covered names.
Leaders & laggards (21-day)
- BBY+36.57%
- MGM+32.08%
- WSM+28.59%
- NCLH+26.43%
- RL+23.44%
- HAS-10.42%
- AZO-8.11%
- AMZN-6.87%
- ULTA-5.34%
- SBUX-4.81%
Other ETFs & indices
Dispersion is computed across the constituents we cover in our data lake (see coverage badge). Decision-support, not investment advice.