SAIA Saia, Inc. Common Stock

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

SAIA vs ODFL

Both indexed to 100 at 2026-05-11.

SAIA ODFL · range 73–128 · 2026-05-11 → 2026-11-06

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

ODFL Old Dominion Freight Line, Inc. Common Stock

ρ +0.80beyond mkt +0.66holdout +0.76stable 100%robust

XPO XPO, Inc.

ρ +0.74beyond mkt +0.58holdout +0.71stable 100%robust

ARCB ArcBest Corporation Common Stock

ρ +0.73beyond mkt +0.54holdout +0.71stable 100%robust

JBHT J.B. Hunt Transport Services, Inc. Common Stock

ρ +0.71beyond mkt +0.51holdout +0.75stable 100%robust

XTN State Street SPDR S&P Transportation ETF

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

SNDR Schneider National, Inc.

ρ +0.70beyond mkt +0.48holdout +0.73stable 100%robust

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

ρ -0.35beyond mkt +0.07holdout -0.22stable 75%robust

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

ρ -0.32beyond mkt +0.06holdout -0.28stable 75%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.35beyond mkt -0.02holdout -0.20stable 75%robust

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

CLAR Clarus Corporation Common Stock

horizon 5dρ +0.33holdout +0.20stable 88%robust

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

BWMN Bowman Consulting Group Ltd. Common Stock

Δ -0.54recent -0.20prior +0.34beyond mkt +0.03

MG Mistras Group Inc.

Δ -0.52recent -0.20prior +0.32beyond mkt -0.06

HWBK Hawthorn Bancshares, Inc. Common Stock

Δ +0.47recent +0.53prior +0.06beyond mkt -0.07

BTA Beacon Tactical Alternatives Risk ETF

Δ -0.46recent -0.34prior +0.12beyond mkt -0.08

IOSP Innospec Inc. Common Stock

Δ -0.46recent -0.04prior +0.41beyond mkt -0.11

TWST Twist Bioscience Corporation Common Stock

Δ -0.43recent -0.09prior +0.34beyond mkt -0.04

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

Symbol	beyond mkt	raw ρ	shared
XTN State Street SPDR S&P Transportation ETF	+0.48	+0.73	22
ODFL Old Dominion Freight Line, Inc. Common Stock	+0.66	+0.80	25
XPO XPO, Inc.	+0.58	+0.74	25
IYT iShares U.S. Transportation ETF	+0.35	+0.66	22
LSTR Landstar System, Inc. Common Stock	+0.47	+0.67	24
TFII TFI International Inc.	+0.44	+0.67	24