MRTN Marten Transport, Ltd. Common Stock

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

MRTN vs WERN

Both indexed to 100 at 2026-05-11.

MRTN WERN · range 77–134 · 2026-05-11 → 2026-11-06

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

WERN Werner Enterprises, Inc. Common Stock

ρ +0.79beyond mkt +0.67holdout +0.79stable 100%robust

HTLD Heartland Express, Inc. Common Stock

ρ +0.76beyond mkt +0.62holdout +0.79stable 100%robust

LSTR Landstar System, Inc. Common Stock

ρ +0.75beyond mkt +0.60holdout +0.72stable 100%robust

SNDR Schneider National, Inc.

ρ +0.76beyond mkt +0.60holdout +0.78stable 100%robust

CVLG Covenant Logistics Group, Inc.

ρ +0.75beyond mkt +0.58holdout +0.70stable 100%robust

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

ρ +0.74beyond mkt +0.56holdout +0.72stable 100%robust

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

ρ -0.33beyond mkt +0.04holdout -0.23stable 100%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.30beyond mkt +0.01holdout -0.22stable 88%robust

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

VTOL Bristow Group Inc.

horizon 5dρ +0.31holdout +0.12stable 88%moderate

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

PCYO Pure Cycle Corporation Common Stock

Δ -0.63recent -0.29prior +0.34beyond mkt +0.03

MG Mistras Group Inc.

Δ -0.63recent -0.30prior +0.32beyond mkt -0.05

BTA Beacon Tactical Alternatives Risk ETF

Δ -0.58recent -0.39prior +0.19beyond mkt +0.00

ASH Ashland Inc.

Δ -0.48recent -0.03prior +0.45beyond mkt -0.03

EGY Vaalco Energy, Inc.

Δ -0.47recent -0.34prior +0.13beyond mkt -0.05

VTOL Bristow Group Inc.

Δ -0.47recent -0.16prior +0.31beyond mkt +0.00

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

Symbol	beyond mkt	raw ρ	shared
XTN State Street SPDR S&P Transportation ETF	+0.42	+0.69	20
SNDR Schneider National, Inc.	+0.60	+0.76	24
TFII TFI International Inc.	+0.39	+0.63	23
WERN Werner Enterprises, Inc. Common Stock	+0.67	+0.79	26
LSTR Landstar System, Inc. Common Stock	+0.60	+0.75	26
CVLG Covenant Logistics Group, Inc.	+0.58	+0.75	26