PII Polaris Inc.

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

PII vs BC

Both indexed to 100 at 2026-05-11.

PII BC · range 78–114 · 2026-05-11 → 2026-11-06

These tend to repeat PII's moves later.

RGCO RGC Resources Inc. Common Stock

lag 1dρ -0.20holdout -0.21stable 75%$/day $228krobust

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

BC Brunswick Corporation

ρ +0.77beyond mkt +0.45holdout +0.76stable 100%robust

DOO BRP Inc. Common Subordinate Voting Shares

ρ +0.64beyond mkt +0.33holdout +0.63stable 100%robust

MBUU Malibu Boats, Inc. Class A Common Stock

ρ +0.68beyond mkt +0.28holdout +0.69stable 100%robust

WGO Winnebago Industries, Inc.

ρ +0.61beyond mkt +0.25holdout +0.56stable 100%robust

MCFT MasterCraft Boat Holdings, Inc. Common Stock

ρ +0.63beyond mkt +0.24holdout +0.64stable 100%robust

HOG Harley-Davidson, Inc.

ρ +0.56beyond mkt +0.23holdout +0.44stable 100%robust

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

ρ -0.41beyond mkt -0.09holdout -0.39stable 100%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.37beyond mkt -0.09holdout -0.34stable 100%robust

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

ρ -0.33beyond mkt +0.04holdout -0.38stable 100%robust

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

MUR Murphy Oil Corp.

Δ -0.65recent -0.44prior +0.21beyond mkt +0.08

SID Companhia Siderurgica Nacional S.A. (CSN)

Δ -0.61recent -0.27prior +0.34beyond mkt +0.02

BTA Beacon Tactical Alternatives Risk ETF

Δ -0.58recent -0.43prior +0.15beyond mkt -0.07

HZO MarineMax, Inc.

Δ -0.55recent +0.04prior +0.59beyond mkt +0.18

MEOH Methanex Corporation Common Stock

Δ -0.52recent -0.37prior +0.16beyond mkt -0.10

CHRD Chord Energy Corporation Common Stock

Δ -0.51recent -0.35prior +0.15beyond mkt +0.04

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

Symbol	beyond mkt	raw ρ	shared	isolation
BC Brunswick Corporation	+0.45	+0.77	13