47 members · drivers first · 1M · residual 8.9bp within 60bp gate
The XLY rose 0.80% (+0.90 pts) on the month, but 28 of 47 members went the other way. AMZN and TSLA carried the tape higher, contributing more than the entire move.
AMAZON.COM INC and DECKERS OUTDOOR CORP moved almost identically (+4.18% vs +3.76%), yet AMZN moved the XLY 60.6× 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 +0.90 pt move · cell size = points contributed · color = direction, intensity = return
AMZN+0.7 pts(+4.2%)
TSLA+0.5 pts(+5.3%)
TJX+0.4 pts(+9.8%)
SBUX−0.3 pts(−8.5%)
HD−0.3 pts(−4.9%)
MAR+0.3 pts(+11.2%)
MCD−0.3 pts(−7.0%)
BKNG−0.2 pts(−7.8%)
F−0.2 pts(−12.4%)
RCL+0.2 pts
LOW−0.2 pts(−5.4%)
HLT+0.2 pts(+6.6%)
CCL+0.1 pts(+17.3%)
CMG−0.1 pts(−12.6%)
EBAY+0.1 pts
CVNA−0.1 pts
WSM
MGM
NKE
AZO
LVS−0.1 pts
YUM+0.1 pts
RL
ORLY
ROST
GRMN
GPC
WYNN
ABNB
PHM
BBY
EXPE
Concentration curve
cumulative share of the +0.90 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−30%−20%−10%0%+10%
From −28.14% (MGM) to +17.27% (CCL). Equal-weight, the XLY would be −1.22% vs the actual +0.80%; the gap is what cap weighting did.
By sector
point contribution · sums to +0.90 pts
-47
+0.9
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT
Share this move
pick a view, download it as a 16:9 PNG
Consumer Discretionary · Select Sector
What moved the market
1M · OCT 9, 2026
+0.80%
+0.9 pts · closed 112.86
19 of 47 rose · 28 fell
AMZN+4.2%
+0.7
TSLA+5.3%
+0.5
TJX+9.8%
+0.4
MAR+11.2%
+0.3
RCL+9.6%
+0.2
F−12.4%
−0.2
BKNG−7.8%
−0.2
MCD−7.0%
−0.3
HD−4.9%
−0.3
SBUX−8.5%
−0.3
AMZN carried a split tape · 28 of 47 went the other wayWMTMT.COM
view 1 of 6
Cycle through the views and download any of them as a 16:9 PNG sized for X. Pasting the page link on X unfurls a server-rendered card on its own.
www.wmtmt.com/xly?p=1m
Share on X copies the image to your clipboard and opens the composer; paste to attach it.
What moved the market, in your inbox
The daily note publishes here after every close; the week's story lands in your inbox on Fridays, free. Read the daily notes.
Babylon Burns
WMTMT is built by the founders of Babylon Burns, a letter on markets, macro, and the systems behind them. The numbers live here; the arguments live there. Subscribing below joins the Babylon Burns letter.