Lab · Sector Dispersion
Breadth vs the sector.
Most screens show the sector's price. These show what its members are doing underneath — is the move broad, or carried by a few mega-caps? Median constituent vs the index, advancers vs decliners, how many names beat the index, and a cumulative advance/decline line that tends to turn before price. 25 ETFs & index cuts · closes through 2026-06-16.
What changed below the surface · 21-day
Where the constituents' advance/decline is pulling away from the ETF's price — the early read, before the headline reflects it.
Improving — breadth rising under flat/soft price
S&P 500 sectors
XLK 72/72
Technology Select Sector
+3.78% med -1.71pp 58 / 14
XLF 75/76 · 98% wt
Financial Select Sector
+0.41% med -0.35pp 38 / 37
XLV 59/59
Health Care Select Sector
-0.60% med +0.29pp 25 / 34
XLE 21/21
Energy Select Sector
-3.48% med -0.11pp 0 / 21
XLI 80/80
Industrial Select Sector
+1.42% med -0.58pp 52 / 28
XLP 36/36
Consumer Staples Select Sector
-0.40% med -0.18pp 11 / 25
XLY 48/48
Consumer Discretionary Select Sector
+1.69% med -1.41pp 25 / 23
XLU 31/31
Utilities Select Sector
+0.47% med -0.12pp 20 / 10
XLB 26/26
Materials Select Sector
+0.61% med +0.00pp 17 / 9
XLRE 31/31
Real Estate Select Sector
-0.82% med -0.34pp 3 / 28
XLC 23/23
Communication Services Select Sector
+0.48% med -0.54pp 10 / 13
Nasdaq-100 cuts
Tech & thematics
IGV 59/110 · 94% wt
iShares Expanded Tech-Software
+2.18% med -1.10pp 42 / 17
SMH 25/25
VanEck Semiconductor
+4.38% med -0.32pp 25 / 0
XSD 23/43 · 60% wt
SPDR S&P Semiconductor (EW)
+5.15% med -1.61pp 23 / 0
AIQ 56/66 · 77% wt
Global X AI & Technology
+3.98% med -2.27pp 42 / 14
CIBR 29/41 · 90% wt
First Trust Nasdaq Cybersecurity
+1.10% med -0.02pp 20 / 8
DTCR 16/20 · 78% wt
Global X Data Center & Digital Infra
+2.32% med -0.36pp 12 / 4
WTAI 43/48 · 73% wt
WisdomTree AI & Innovation
+3.69% med -0.58pp 36 / 6
QTUM 53/63 · 69% wt
Defiance Quantum
+4.04% med -0.87pp 45 / 8
ARKK 28/42 · 70% wt
ARK Innovation
+5.26% med -1.46pp 24 / 4
Global
Computed across the constituents we cover in our data lake (coverage shown per card). A/D line = cumulative daily advancers minus decliners. Decision-support, not investment advice.