PPIH Perma-Pipe International Holdings, Inc. Common Stock

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

PPIH vs DAL

Both indexed to 100 at 2026-05-11.

PPIH DAL · range 69–132 · 2026-05-11 → 2026-11-06

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

DAL Delta Air Lines, Inc.

ρ +0.41beyond mkt +0.19holdout +0.39stable 100%robust

CODA Coda Octopus Group, Inc. Common stock

ρ +0.32beyond mkt +0.19holdout +0.45stable 88%robust

FEIM Frequency Electronics, Inc. Common Stock

ρ +0.38beyond mkt +0.17holdout +0.46stable 88%robust

UAL United Airlines Holdings, Inc. Common Stock

ρ +0.38beyond mkt +0.16holdout +0.36stable 100%robust

QDVO Amplify CWP Growth & Income ETF

ρ +0.38beyond mkt +0.15holdout +0.43stable 88%robust

RBUF Innovator U.S. Small Cap 10 Buffer ETF - Quarterly

ρ +0.45beyond mkt +0.12holdout +0.58stable 100%robust

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

ρ -0.35beyond mkt -0.06holdout -0.40stable 88%robust

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

ρ -0.39beyond mkt +0.04holdout -0.54stable 88%robust

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

BWMN Bowman Consulting Group Ltd. Common Stock

horizon 10dρ +0.52holdout +0.54stable 62%moderate

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

NFLX Netflix, Inc. Common Stock

Δ -0.52recent -0.37prior +0.15beyond mkt +0.12

EVER EverQuote, Inc. Class A Common Stock

Δ -0.50recent -0.35prior +0.15beyond mkt +0.03

KOF Coca-Cola FEMSA, S.A.B DE C.V

Δ -0.50recent -0.40prior +0.10beyond mkt -0.06

CLVT Clarivate Plc

Δ -0.49recent -0.40prior +0.09beyond mkt -0.02

ACN Accenture PLC

Δ -0.48recent -0.40prior +0.08beyond mkt +0.05

LAZR Tema Photonics & Optical ETF

Δ +0.47recent +0.55prior +0.08beyond mkt -0.09