Constituent dispersion · breadth vs the index
XLC — Communication Services Select Sector
Divergence over time — price vs breadth, by horizon
The hero read is the 1-month picture; here the same price↔breadth divergence across 1 week / 1 month / 1 quarter, computed over the 126-session history. A/D /name is net advancers-minus-decliners per covered constituent; % beating Δ and median−ETF Δ show how participation shifted. Price rising while those fall = the move is narrowing under the surface.
| Horizon | Price | A/D /name | % beating Δ | Median−ETF Δ | Read |
|---|---|---|---|---|---|
| 1 week | -0.85% | -1.09 | -15pp | -3.48pp | Weakening |
| 1 month | +0.76% | +1.7 | +4pp | +0.72pp | Improving |
| 1 quarter | +0.32% | +2.78 | +0pp | -0.96pp | Improving |
Over the last 126 sessions: price down -5.39%, breadth up (+0.09/name) · % beating 48→52 · median−ETF -0.09pp→+0.10pp.
Stocks above their moving average — participation breadth
Of the 23 covered constituents, the share trading above each simple moving average — the classic breadth gauge. A firm index price with a low %-above-MA is a narrow, top-heavy tape. As of 2026-09-04.
New highs & new lows — by horizon
How many of the 23 covered constituents closed today at a new high (or low) over each window, and the net. A shrinking net as the index holds up = fewer names leading.
| Horizon | New highs | New lows | Net |
|---|---|---|---|
| 5-Day | 1 (4%) | 11 (48%) | -10 |
| 1-Month | 1 (4%) | 2 (9%) | -1 |
| 3-Month | 0 (0%) | 1 (4%) | -1 |
| 6-Month | 0 (0%) | 1 (4%) | -1 |
| 52-Week | 0 (0%) | 0 (0%) | +0 |
| YTD | 0 (0%) | 1 (4%) | -1 |
Dispersion by window
| Window | ETF | Median | Median − ETF | Up / Down | Beat / Lag | ±1% band | Dispersion |
|---|---|---|---|---|---|---|---|
| 1d | -1.19% | -1.80% | -0.61pp | 3 / 19 | 9 / 14 | 10 of 23 | ±1.63% |
| 5d | -0.85% | -2.11% | -1.26pp | 6 / 17 | 7 / 16 | 7 of 23 | ±3.71% |
| 21d | +0.76% | +0.86% | +0.10pp | 15 / 8 | 12 / 11 | 4 of 23 | ±9.29% |
| YTD | -4.53% | -6.48% | -1.95pp | 9 / 14 | 11 / 12 | 0 of 23 | ±18.57% |
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)
- META+1.00%+0.13pp
- TTWO+0.26%+0.01pp
- CHTR+0.40%+0.01pp
- NFLX-5.35%-0.2pp
- SATS-4.14%-0.18pp
- TMUS-3.46%-0.13pp
- LYV-2.25%-0.11pp
- OMC-2.49%-0.11pp
This month (21d)
- META+4.56%+0.59pp
- WBD+7.01%+0.3pp
- T+8.31%+0.3pp
- VZ+6.70%+0.28pp
- NFLX+6.19%+0.23pp
- SATS-26.16%-1.11pp
- GOOGL-5.39%-0.52pp
- GOOG-5.98%-0.47pp
- TTD-18.34%-0.43pp
- TTWO-7.65%-0.37pp
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)
- PSKY+19.87%
- T+8.31%
- WBD+7.01%
- VZ+6.70%
- NFLX+6.19%
- SATS-26.16%
- TTD-18.34%
- TTWO-7.65%
- GOOG-5.98%
- GOOGL-5.39%
XLC — constituent leadership race
$100 in each covered XLC constituent at 2025-12-24, rebased to 100. Watch leadership change hands.
Each covered constituent started at $100 at the window open; the bars race by total return (top 12 shown). Decision-support, not investment advice.
Constituents — 23 covered · click a column to sort
| Symbol | Weight | Last | 1d | 5d | 21d | YTD | RS rank |
|---|---|---|---|---|---|---|---|
| META META Platforms Inc | 13.05% | 616.77 | +1.00% | +6.70% | +4.56% | -6.48% | 61 |
| GOOGL Alphabet Cl A | 9.72% | 338.46 | -1.11% | -2.28% | -5.39% | +8.21% | 17 |
| GOOG Alphabet Cl C | 7.80% | 335.31 | -1.05% | -2.14% | -5.98% | +6.93% | 13 |
| LYV Live Nation Entertainment | 5.06% | 173.50 | -2.25% | -4.49% | -4.55% | +21.75% | 22 |
| TTWO Take-Two Interactive | 4.79% | 214.69 | +0.26% | -8.79% | -7.65% | -16.15% | 9 |
| DIS Walt Disney Company | 4.63% | 105.31 | -1.73% | -2.58% | +0.60% | -7.44% | 43 |
| OMC Omnicom Group Inc | 4.44% | 82.62 | -2.49% | -6.41% | +0.13% | +3.34% | 39 |
| EA Electronic Arts Inc | 4.38% | 209.70 | +0.00% | +0.05% | +2.35% | +2.73% | 52 |
| WBD Discovery Inc Series A | 4.35% | 28.25 | -0.42% | -1.81% | +7.01% | -1.98% | 87 |
| SATS Echostar Corp | 4.24% | 92.03 | -4.14% | -8.74% | -26.16% | -15.34% | 0 |
| VZ Verizon Communications | 4.17% | 50.14 | -0.89% | +0.08% | +6.70% | +27.12% | 83 |
| TMUS T-Mobile US | 3.86% | 181.52 | -3.46% | +0.08% | +0.86% | -10.17% | 48 |
| NFLX Netflix Inc | 3.77% | 78.25 | -5.35% | -4.25% | +6.19% | -16.54% | 78 |
| TKO Tko Group Holdings Cl A | 3.70% | 186.01 | -1.80% | +0.74% | -0.68% | -10.64% | 30 |
| CMCSA Comcast Corp A | 3.70% | 26.49 | -0.60% | -2.11% | +5.24% | -3.22% | 65 |
| T AT&T Inc | 3.57% | 25.68 | -1.95% | -1.27% | +8.31% | +5.69% | 91 |
| FOXA Fox Corp Cl A | 2.96% | 65.42 | -3.38% | -3.96% | +5.87% | -10.03% | 74 |
| CHTR Charter Communications | 2.88% | 151.99 | +0.40% | -1.06% | -3.46% | -27.19% | 26 |
| NWSA News Corp Cl A | 2.62% | 30.39 | -1.81% | -1.87% | +2.43% | +16.83% | 57 |
| TTD Trade Desk Inc | 2.34% | 14.43 | -4.37% | +6.34% | -18.34% | -61.99% | 4 |
| FOX Fox Corp Cl B | 1.87% | 58.42 | -3.39% | -4.26% | +5.51% | -9.54% | 70 |
| NWS News Corp Cl B | 0.99% | 33.90 | -2.36% | -2.73% | +0.09% | +14.83% | 35 |
| PSKY Paramount Skydance Corp Cl B | 0.89% | 10.86 | -1.63% | -0.18% | +19.87% | -18.54% | 96 |
RS rank = the constituent's 21-day return percentile within the index (100 = strongest of the covered names). Weight is the index weight; returns use adjusted closes. Default sort: weight.
Other ETFs & indices
Dispersion is computed across the constituents we cover in our data lake (see coverage badge). Decision-support, not investment advice.
FAQ · from the current data
XLC dispersion — data Q&A
Is XLC's move broad or carried by a few names (21 sessions)?
As of 2026-09-04: over 21 sessions the fund returned +0.76% while its median constituent returned +0.86% — a dispersion of 9.29 pp; 52% of 23 members beat the fund. Improving below the surface - the A/D line is rising while price is flat-to-down; more names participating than the headline shows.
How did XLC's members trade in the last session?
As of 2026-09-04: fund -1.19%, median member -1.80%, 3 advancers vs 19 decliners.
What does the dispersion page for XLC measure?
It splits the fund into its members: the fund's own return against the median constituent, how many members beat the fund, advancers vs decliners, and a cumulative advance/decline line that tends to lead price. A firm fund price with a weak median and a falling A/D line is a narrow, top-heavy tape; a broad move shows the median keeping up. 23 constituents covered, re-baked nightly from the Closelook lake.
Is this investment advice?
No — a data surface in an investment research diary. It describes breadth inside a fund; it makes no recommendation.