SFIX Stitch Fix, Inc. Class A Common Stock

together opposite · bar = ρ at each lag, −10 … 0 … +10 days · holdout ρ · click a card for the full picture

SFIX vs XRT

Both indexed to 100 at 2026-05-11.

SFIX XRT · range 66–138 · 2026-05-11 → 2026-11-06

Same day, ranked by what's left after the market and sector factors are removed ("beyond mkt").

XRT State Street SPDR S&P Retail ETF

ρ +0.63beyond mkt +0.36holdout +0.68stable 100%robust

IBUY Amplify Online Retail ETF

ρ +0.63beyond mkt +0.28holdout +0.68stable 100%robust

TDUP ThredUp Inc. Class A Common Stock

ρ +0.45beyond mkt +0.22holdout +0.55stable 100%robust

LE Lands' End, Inc. Common Stock

ρ +0.45beyond mkt +0.20holdout +0.56stable 100%robust

URBN Urban Outfitters, Inc. Common Stock

ρ +0.43beyond mkt +0.19holdout +0.44stable 100%robust

RVLV Revolve Group, Inc.

ρ +0.49beyond mkt +0.19holdout +0.50stable 100%robust

BTAL AGF U.S. Market Neutral Anti-Beta Fund

ρ -0.36beyond mkt -0.09holdout -0.23stable 88%robust

VXX iPath Series B S&P 500 VIX Short-Term Futures ETN

ρ -0.41beyond mkt -0.05holdout -0.25stable 100%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.38beyond mkt -0.05holdout -0.23stable 100%robust

Biggest shifts in same-day correlation over the last 63 trading days versus the year before.

SMTC Semtech Corporation Common Stock

Δ -0.62recent -0.31prior +0.32beyond mkt +0.05

HZO MarineMax, Inc.

Δ -0.59recent -0.22prior +0.37beyond mkt -0.06

BTA Beacon Tactical Alternatives Risk ETF

Δ -0.59recent -0.49prior +0.10beyond mkt -0.11

BSJQ Invesco BulletShares 2026 High Yield Corporate Bond ETF

Δ -0.57recent -0.19prior +0.38beyond mkt +0.09

NUAI New Era Energy & Digital, Inc. Common Stock

Δ -0.50recent -0.34prior +0.17beyond mkt +0.00

MATX Matsons, Inc.

Δ -0.50recent -0.16prior +0.33beyond mkt -0.02

Abnormal volume rises and falls on the same days as SFIX's, while prices do not move together: the same hands, not the same business.

Symbol	traded together ρ	big prints together ρ	priced together ρ	score	q
LEN Lennar Corporation Class A	+0.33	+0.22	+0.01		1e-10
ZUMZ Zumiez Inc. Common Stock	+0.32	+0.11	+0.16		5e-10

Strong beyond-the-market co-movement with few shared neighbours.

Symbol	beyond mkt	raw ρ	shared	isolation
XRT State Street SPDR S&P Retail ETF	+0.36	+0.63	14