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Constituent dispersion · breadth vs the index

XLC — Communication Services Select Sector

23/23 covered · 100% by weight · benchmark: XLC price · closes through 2026-10-07 ·holdings as of 2026-06-16

Concentration 40.51% in top 5 16.81 effective names · HHI 595
RS vs S&P 500 21d -1.95pp sector return − SPY
RS vs Nasdaq-100 21d -5.71pp sector return − QQQ
Weakening below the surface - the A/D line is falling while price holds up; leadership is narrowing. Last 21 sessions — price -0.23% · A/D -42 (-1.83/name)
XLC price
Cumulative advance / decline of constituents — rises when more names are up than down; turns before price at inflections

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.

HorizonPriceA/D /name% beating ΔMedian−ETF ΔRead
1 week +0.26% +0.35 -3pp +1.43pp Improving
1 month -0.23% -1.83 -46pp -6.37pp Weakening
1 quarter +0.68% +1 -29pp -4.25pp Improving

Over the last 126 sessions: price down -0.45%, breadth down (-1.17/name) · % beating 61→21 · median−ETF +3.10pp→-4.18pp.

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 2026-10-07.

5-day 60.87% 14/23 above
20-day 26.09% 6/23 above
50-day 26.09% 6/23 above
100-day 34.78% 8/23 above
150-day 47.83% 11/23 above
200-day 39.13% 9/23 above
% of constituents above their 50-day average — breadth over the last year; 50% is the participation midpoint

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.

HorizonNew highsNew lowsNet
5-Day 9 (39%) 6 (26%) +3
1-Month 1 (4%) 4 (17%) -3
3-Month 1 (4%) 3 (13%) -2
6-Month 1 (4%) 3 (13%) -2
52-Week 1 (5%) 2 (9%) -1
YTD 1 (4%) 3 (13%) -2

Dispersion by window

WindowETFMedianMedian − ETF Up / DownBeat / Lag±1% bandDispersion
1d -0.35% +0.16% +0.51pp 12 / 8 16 / 7 8 of 23 ±1.42%
5d +0.26% -0.14% -0.40pp 10 / 13 7 / 16 14 of 23 ±3.36%
21d -0.23% -4.41% -4.18pp 6 / 17 6 / 17 2 of 23 ±10.24%
YTD -5.19% -7.93% -2.74pp 10 / 13 10 / 13 0 of 23 ±21.32%

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)

  • GOOGL+0.81%+0.08pp
  • GOOG+0.81%+0.06pp
  • NFLX+1.47%+0.06pp
  • TKO+1.24%+0.05pp
  • TMUS+1.04%+0.04pp
  • META-2.38%-0.31pp
  • SATS-4.14%-0.18pp
  • CMCSA-1.37%-0.05pp
  • CHTR-1.55%-0.04pp
  • LYV-0.56%-0.03pp

This month (21d)

  • META+17.58%+2.29pp
  • WBD+9.56%+0.42pp
  • GOOGL+3.59%+0.35pp
  • GOOG+3.58%+0.28pp
  • EA+2.35%+0.1pp
  • SATS-26.16%-1.11pp
  • CHTR-26.61%-0.77pp
  • CMCSA-20.47%-0.76pp
  • VZ-9.20%-0.38pp
  • NFLX-9.21%-0.35pp

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)

  • META+17.58%
  • WBD+9.56%
  • GOOGL+3.59%
  • GOOG+3.58%
  • EA+2.35%
  • CHTR-26.61%
  • SATS-26.16%
  • CMCSA-20.47%
  • TTD-13.77%
  • PSKY-12.25%

XLC — constituent leadership race

$100 in each covered XLC constituent at 2025-12-24, rebased to 100. Watch leadership change hands.

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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% 721.31 -2.38% -0.53% +17.58% +9.37% 96
GOOGL Alphabet Cl A 9.72% 350.50 +0.81% +1.87% +3.59% +12.06% 87
GOOG Alphabet Cl C 7.80% 347.37 +0.81% +1.95% +3.58% +10.78% 83
LYV Live Nation Entertainment 5.06% 170.84 -0.56% +0.91% +0.23% +19.89% 74
TTWO Take-Two Interactive 4.79% 204.01 +0.73% -1.68% -4.35% -20.32% 52
DIS Walt Disney Company 4.63% 104.75 +0.69% -0.14% -0.30% -7.93% 70
OMC Omnicom Group Inc 4.44% 74.87 -0.31% +1.68% -6.77% -6.36% 39
EA Electronic Arts Inc 4.38% 209.70 +0.00% +0.05% +2.35% +2.73% 78
WBD Discovery Inc Series A 4.35% 30.95 +0.00% +0.32% +9.56% +7.39% 91
SATS Echostar Corp 4.24% 92.03 -4.14% -8.74% -26.16% -15.34% 4
VZ Verizon Communications 4.17% 45.77 -0.46% -0.22% -9.20% +16.04% 26
TMUS T-Mobile US 3.86% 167.65 +1.04% +2.80% -7.73% -17.03% 35
NFLX Netflix Inc 3.77% 69.70 +1.47% +0.17% -9.21% -25.66% 22
TKO Tko Group Holdings Cl A 3.70% 178.64 +1.24% -0.60% -8.17% -14.18% 30
CMCSA Comcast Corp A 3.70% 20.94 -1.37% -2.27% -20.47% -23.49% 9
T AT&T Inc 3.57% 24.47 +0.16% +0.29% -4.41% +0.71% 48
FOXA Fox Corp Cl A 2.96% 62.70 +1.00% +0.08% -3.88% -13.77% 61
CHTR Charter Communications 2.88% 106.96 -1.55% -3.55% -26.61% -48.76% 0
NWSA News Corp Cl A 2.62% 28.61 +0.21% -0.14% -3.73% +9.99% 65
TTD Trade Desk Inc 2.34% 12.09 +1.43% -0.66% -13.77% -68.15% 13
FOX Fox Corp Cl B 1.87% 55.98 +0.72% -0.57% -3.88% -13.32% 57
NWS News Corp Cl B 0.99% 31.52 +0.00% -0.63% -5.17% +6.77% 43
PSKY Paramount Skydance Corp Cl B 0.89% 9.53 -2.51% -12.33% -12.25% -28.51% 17

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 2026-10-07: over 21 sessions the fund returned -0.23% while its median constituent returned -4.41% — a dispersion of 10.24 pp; 26% of 23 members beat the fund. Weakening below the surface - the A/D line is falling while price holds up; leadership is narrowing.

How did XLC's members trade in the last session?

As of 2026-10-07: fund -0.35%, median member +0.16%, 12 advancers vs 8 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 Closelooknet lake.

Is this investment advice?

No — a data surface in an investment research diary. It describes breadth inside a fund; it makes no recommendation.