KOP Koppers Holdings, Inc.

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

KOP vs OEC

Both indexed to 100 at 2026-05-11.

KOP OEC · range 54–122 · 2026-05-11 → 2026-11-06

These tend to repeat KOP's moves later.

RGCO RGC Resources Inc. Common Stock

lag 1dρ -0.21holdout -0.22stable 88%$/day $228krobust

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

OEC Orion S.A.

ρ +0.53beyond mkt +0.26holdout +0.46stable 100%robust

IFRA iShares U.S. Infrastructure ETF

ρ +0.51beyond mkt +0.24holdout +0.38stable 100%robust

NGVT Ingevity Corporation

ρ +0.54beyond mkt +0.23holdout +0.46stable 100%robust

MTX Minerals Technologies Inc

ρ +0.54beyond mkt +0.21holdout +0.48stable 100%robust

SCL Stepan Co.

ρ +0.56beyond mkt +0.21holdout +0.44stable 100%robust

CBT Cabot Corporation

ρ +0.54beyond mkt +0.20holdout +0.47stable 100%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.35beyond mkt -0.10holdout -0.23stable 100%robust

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

ρ -0.37beyond mkt -0.07holdout -0.23stable 88%robust

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

HZO MarineMax, Inc.

Δ -0.52recent -0.08prior +0.44beyond mkt +0.03

DIVB iShares Core Dividend ETF

Δ -0.52recent -0.04prior +0.48beyond mkt -0.09

DRUG Bright Minds Biosciences Inc. Common Stock

Δ -0.50recent -0.34prior +0.16beyond mkt -0.02

JCE Nuveen Core Equity Alpha Fund

Δ -0.50recent -0.17prior +0.33beyond mkt +0.02

MGV Vanguard Morningstar Mega Cap Value ETF

Δ -0.49recent -0.01prior +0.48beyond mkt -0.06

TBG TBG Dividend Focus ETF

Δ -0.49recent -0.06prior +0.43beyond mkt -0.12