NWE NorthWestern Energy Group, Inc. Common Stock

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

NWE vs BKH

Both indexed to 100 at 2026-05-11.

NWE BKH · range 93–119 · 2026-05-11 → 2026-11-06

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

BKH Black Hills Corporation

ρ +0.90beyond mkt +0.84holdout +0.98stable 100%robust

AVA Avista Corporation

ρ +0.73beyond mkt +0.58holdout +0.68stable 100%robust

POR Portland General Electric Company

ρ +0.69beyond mkt +0.50holdout +0.66stable 100%robust

NWN Northwest Natural Holding Company

ρ +0.67beyond mkt +0.48holdout +0.64stable 100%robust

OGS ONE GAS, INC.

ρ +0.66beyond mkt +0.45holdout +0.62stable 100%robust

OGE OGE Energy Corp.

ρ +0.65beyond mkt +0.43holdout +0.65stable 100%robust

No day-to-day relationship, but 5- or 10-day returns move together.

ZBH Zimmer Biomet Holdings, Inc.

horizon 10dρ +0.39holdout +0.40stable 75%robust

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

DBMF iMGP DBi Managed Futures Strategy ETF

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

TAN Invesco Solar ETF

Δ +0.49recent +0.50prior +0.00beyond mkt +0.03

DGX Quest Diagnostics Inc.

Δ -0.46recent -0.12prior +0.34beyond mkt +0.03

FSLR First Solar, Inc. Common Stock

Δ +0.46recent +0.40prior -0.05beyond mkt +0.01

FELE Franklin Electric Co., Inc. Common Stock

Δ -0.45recent -0.13prior +0.32beyond mkt +0.02

AMSF AMERISAFE, Inc. Common Stock

Δ -0.45recent -0.04prior +0.41beyond mkt +0.08

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

Symbol	beyond mkt	raw ρ	shared
BKH Black Hills Corporation	+0.84	+0.90	23
OGE OGE Energy Corp.	+0.43	+0.65	18
PNW Pinnacle West Capital Corporation	+0.36	+0.62	17
UTL Unitil Corporation	+0.42	+0.63	19
EVRG Evergy, Inc. Common Stock	+0.36	+0.60	18
SR Spire Inc.	+0.42	+0.64	20