MRSH Marsh

Last close: 204.82
504-day return: -2.94%
Median $/day: $455.5M
Relationships shown: 14

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

MRSH vs AON

Both indexed to 100 at 2026-05-11.

MRSH AON · range 86–132 · 2026-05-11 → 2026-11-06

Moves with MRSH

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

AON Aon plc Class A

ρ +0.78beyond mkt +0.56holdout +0.79stable 100%robust

BRO Brown & Brown, Inc.

ρ +0.79beyond mkt +0.55holdout +0.85stable 100%robust

AJG Arthur J. Gallagher & Co.

ρ +0.75beyond mkt +0.53holdout +0.81stable 100%robust

WTW Willis Towers Watson Public Limited Company Ordinary Shares

ρ +0.69beyond mkt +0.45holdout +0.76stable 100%robust

KIE State Street SPDR S&P Insurance ETF

ρ +0.67beyond mkt +0.35holdout +0.67stable 100%robust

RYAN Ryan Specialty Holdings, Inc.

ρ +0.60beyond mkt +0.31holdout +0.67stable 100%robust

Moves against MRSH

TTMI TTM Technologies, Inc. Common Stock

ρ -0.33beyond mkt -0.07holdout -0.56stable 62%moderate

SMH VanEck Semiconductor ETF

ρ -0.35beyond mkt -0.05holdout -0.62stable 75%robust

TER Teradyne, Inc. Common Stock

ρ -0.34beyond mkt -0.04holdout -0.61stable 62%moderate

ASX ASE Technology Holding Co., Ltd.

ρ -0.32beyond mkt -0.03holdout -0.52stable 75%robust

BAI iShares A.I. Innovation and Tech Active ETF

ρ -0.33beyond mkt +0.02holdout -0.60stable 62%moderate

COHR Coherent Corp.

ρ -0.32beyond mkt -0.01holdout -0.50stable 62%moderate

Weekly, not daily

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

IGA VOYA GLOBAL ADVANTAGE AND PREMIUM OPPORTUNITY FUND

horizon 10dρ +0.41holdout +0.35stable 62%moderate

BSX Boston Scientific Corp.

horizon 5dρ +0.36holdout +0.40stable 88%robust

Changed this quarter

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

MBCE Monarch Blue Chips Elite Index ETF

Δ -0.65recent -0.57prior +0.08beyond mkt +0.09

PRLB PROTO LABS, INC.

Δ -0.61recent -0.62prior -0.01beyond mkt -0.02

DOCN DigitalOcean Holdings, Inc.

Δ -0.61recent -0.65prior -0.04beyond mkt +0.06

IRDM Iridium Communications Inc Common Stock

Δ -0.60recent -0.58prior +0.02beyond mkt +0.03

GHM Graham Corporation

Δ -0.57recent -0.63prior -0.05beyond mkt -0.03

INTC Intel Corporation Common Stock

Δ -0.57recent -0.70prior -0.13beyond mkt +0.04

Hidden links

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

Symbol	beyond mkt	raw ρ	shared
BRO Brown & Brown, Inc.	+0.55	+0.79	16
AON Aon plc Class A	+0.56	+0.78	18
AJG Arthur J. Gallagher & Co.	+0.53	+0.75	18
KIE State Street SPDR S&P Insurance ETF	+0.35	+0.67	14
WTW Willis Towers Watson Public Limited Company Ordinary Shares	+0.45	+0.69	19