24 members · detractors first · 5Y · residual 5852.0bp exceeds 60bp gate
The XLB fell 38.51% (−30.95 pts) over five years, but 13 of 24 members went the other way. DOW and MOS dragged the tape lower, accounting for 27% of the decline.
MOSAIC CO/THE and ALBEMARLE CORP moved almost identically (−44.24% vs −50.96%), yet MOS moved the XLB 7.7× 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 −30.95 pt move · cell size = points contributed · color = direction, intensity = return
DOW−4.0 pts(−37.0%)
LIN+3.9 pts(+73.2%)
STLD+3.6 pts(+339.0%)
CRH+3.0 pts(+97.0%)
FCX+3.0 pts(+138.4%)
MOS−2.7 pts(−44.2%)
SHW+2.2 pts(+17.0%)
NUE+2.1 pts(+175.0%)
NEM+1.7 pts
VMC+1.6 pts(+46.9%)
BALL−1.6 pts(−30.6%)
ECL+1.5 pts(+39.1%)
LYB−1.5 pts
MLM+1.3 pts
AVY−1.3 pts(−12.8%)
AMCR−1.2 pts(−9.7%)
APD+0.9 pts
IFF−0.9 pts
CF
PKG+0.5 pts
ALB−0.4 pts
SW+0.3 pts
Concentration curve
cumulative share of the −30.95 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−100%0%+100%+200%+300%
From −50.96% (ALB) to +338.97% (STLD). Equal-weight, the XLB would be +47.15% vs the actual −38.51%; the gap is what cap weighting did.
By sector
point contribution · sums to −30.95 pts
-24
+11.9
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT
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Materials · Select Sector
What moved the market
5Y · OCT 9, 2026
−38.51%
−31.0 pts · closed 49.42
13 of 24 rose · 11 fell
LIN+73.2%
+3.9
STLD+339.0%
+3.6
CRH+97.0%
+3.0
FCX+138.4%
+3.0
SHW+17.0%
+2.2
AVY−12.8%
−1.3
LYB−12.1%
−1.5
BALL−30.6%
−1.6
MOS−44.2%
−2.7
DOW−37.0%
−4.0
DOW sank a split tape · 13 of 24 went the other wayWMTMT.COM
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