SPGI S&P Global Inc.

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

SPGI vs MCO

Both indexed to 100 at 2026-05-11.

SPGI MCO · range 94–122 · 2026-05-11 → 2026-11-06

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

MCO Moody's Corporation

ρ +0.87beyond mkt +0.74holdout +0.87stable 100%robust

MSCI MSCI, Inc.

ρ +0.67beyond mkt +0.44holdout +0.73stable 100%robust

IAI iShares U.S. Broker-Dealers & Securities Exchanges ETF

ρ +0.57beyond mkt +0.39holdout +0.48stable 100%robust

FDS Factset Research Systems

ρ +0.62beyond mkt +0.37holdout +0.66stable 100%robust

NDAQ Nasdaq, Inc. Common Stock

ρ +0.61beyond mkt +0.33holdout +0.59stable 100%robust

MORN Morningstar, Inc. Common Stock

ρ +0.62beyond mkt +0.32holdout +0.62stable 100%robust

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

ρ -0.30beyond mkt -0.05holdout -0.12stable 75%moderate

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

NRC NRC Health Common Stock

horizon 10dρ +0.37holdout +0.19stable 88%robust

SWX Southwest Gas Holdings, Inc.

horizon 10dρ +0.36holdout +0.54stable 50%moderate

ACV Virtus Diversified Income & Convertible Fund

horizon 5dρ +0.33holdout +0.09stable 50%moderate

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

AEHR Aehr Test Systems Common Stock

Δ -0.65recent -0.61prior +0.04beyond mkt -0.02

MTRN Materion Corporation

Δ -0.63recent -0.47prior +0.16beyond mkt +0.06

SMTC Semtech Corporation Common Stock

Δ -0.63recent -0.56prior +0.07beyond mkt -0.05

PRLB PROTO LABS, INC.

Δ -0.60recent -0.35prior +0.25beyond mkt +0.04

MBCE Monarch Blue Chips Elite Index ETF

Δ -0.60recent -0.25prior +0.36beyond mkt +0.08

BKSY BlackSky Technology Inc.

Δ -0.59recent -0.41prior +0.19beyond mkt +0.00

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

Symbol	beyond mkt	raw ρ	shared
IAI iShares U.S. Broker-Dealers & Securities Exchanges ETF	+0.39	+0.57	11
FDS Factset Research Systems	+0.37	+0.62	12
MCO Moody's Corporation	+0.74	+0.87	22
MSCI MSCI, Inc.	+0.44	+0.67	18