WRB W.R. Berkley Corporation

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

WRB vs KIE

Both indexed to 100 at 2026-05-11.

WRB KIE · range 96–119 · 2026-05-11 → 2026-11-06

These tend to repeat WRB's moves later.

DPG Duff & Phelps Utility and Infrastructure Fund Inc.

lag 1dρ +0.21holdout +0.14stable 75%$/day $924krobust

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

KIE State Street SPDR S&P Insurance ETF

ρ +0.69beyond mkt +0.48holdout +0.69stable 100%robust

HIG The Hartford Insurance Group, Inc.

ρ +0.73beyond mkt +0.48holdout +0.68stable 100%robust

TRV The Travelers Companies, Inc.

ρ +0.71beyond mkt +0.46holdout +0.69stable 100%robust

L Loews Corporation

ρ +0.71beyond mkt +0.45holdout +0.67stable 100%robust

CB Chubb Limited

ρ +0.69beyond mkt +0.41holdout +0.71stable 100%robust

AXS Axis Capital Holders Limited

ρ +0.67beyond mkt +0.41holdout +0.67stable 100%robust

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

DPG Duff & Phelps Utility and Infrastructure Fund Inc.

horizon 10dρ +0.43holdout +0.35stable 50%moderate

PDT John Hancock Premium Dividend Fund

horizon 10dρ +0.39holdout +0.43stable 50%moderate

TWAV TaoWeave, Inc. Common Stock

horizon 10dρ -0.36holdout -0.49stable 25%moderate

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

PRLB PROTO LABS, INC.

Δ -0.52recent -0.49prior +0.03beyond mkt +0.09

ICAP Infrastructure Capital Equity Income ETF

Δ -0.51recent -0.40prior +0.11beyond mkt -0.09

AGIO Agios Pharmaceuticals, Inc. Common Stock

Δ -0.51recent -0.39prior +0.12beyond mkt +0.06

MTEK Maris-Tech Ltd. Ordinary Shares

Δ -0.50recent -0.54prior -0.04beyond mkt -0.02

MBCE Monarch Blue Chips Elite Index ETF

Δ -0.49recent -0.46prior +0.03beyond mkt +0.08

THTA SoFi Enhanced Yield ETF

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

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

Symbol	beyond mkt	raw ρ	shared
KNSL Kinsale Capital Group, Inc.	+0.38	+0.59	19
PGR Progressive Corporation	+0.38	+0.65	21
KIE State Street SPDR S&P Insurance ETF	+0.48	+0.69	23
RLI RLI Corp.	+0.40	+0.66	22
L Loews Corporation	+0.45	+0.71	23
HIG The Hartford Insurance Group, Inc.	+0.48	+0.73	24