WELLTOWER INC and HOST HOTELS + RESORTS INC moved almost identically (+48.25% vs +42.99%), yet WELL moved the XLRE 7.9× as much. In a cap-weighted index, the bigger company's weight turns the same percentage move into far more points.
Attribution map
slicing the +3.01 pt move · cell size = points contributed · color = direction, intensity = return
WELL+1.7 pts(+48.2%)
CSGP−1.2 pts(−64.0%)
PLD+1.0 pts(+31.8%)
EQIX+0.9 pts(+38.7%)
VTR+0.7 pts(+41.9%)
SPG+0.6 pts(+29.8%)
CCI−0.6 pts(−22.9%)
AMT−0.5 pts(−12.4%)
DLR+0.4 pts
IRM+0.4 pts
O+0.4 pts(+12.0%)
VICI−0.3 pts(−16.2%)
HST+0.2 pts
SBAC−0.2 pts
ARE
KIM+0.1 pts
DOC+0.1 pts
PSA
FRT+0.1 pts
CBRE−0.1 pts
BXP
REG
WY
Concentration curve
cumulative share of the +3.01 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−75%−50%−25%0%+25%
From −64.03% (CSGP) to +48.25% (WELL). Equal-weight, the XLRE would be +7.23% vs the actual +7.12%; the gap is what cap weighting did.
By sector
point contribution · sums to +3.01 pts
-30
+4.1
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG
Share this move
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Real Estate · Select Sector
What moved the market
1Y · AUG 25, 2026
+7.12%
+3.0 pts · closed 45.36
20 of 30 rose · 10 fell
WELL+48.2%
+1.7
PLD+31.8%
+1.0
EQIX+38.7%
+0.9
VTR+41.9%
+0.7
SPG+29.8%
+0.6
SBAC−14.3%
−0.2
VICI−16.2%
−0.3
AMT−12.4%
−0.5
CCI−22.9%
−0.6
CSGP−64.0%
−1.2
3 stocks drove 100%+ of the gain: WELL, PLD, EQIXWMTMT.COM
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