PDFS PDF Solutions, Inc. Common Stock

Last close: 37.61
504-day return: +30.77%
Median $/day: $7.9M
Relationships shown: 14

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

PDFS vs AMAT

Both indexed to 100 at 2026-05-11.

PDFS AMAT · range 63–163 · 2026-05-11 → 2026-11-06

Moves with PDFS

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

AMAT Applied Materials, Inc. Common Stock

ρ +0.75beyond mkt +0.39holdout +0.81stable 100%robust

PSCT Invesco Exchange-Traded Fund Trust II Invesco S&P SmallCap Information Technology ETF

ρ +0.77beyond mkt +0.33holdout +0.83stable 100%robust

VECO Veeco Instruments Inc. Common Stock

ρ +0.70beyond mkt +0.32holdout +0.76stable 100%robust

ONTO Onto Innovation Inc.

ρ +0.73beyond mkt +0.32holdout +0.83stable 100%robust

ACMR ACM Research, Inc. Class A Common Stock

ρ +0.67beyond mkt +0.32holdout +0.78stable 100%robust

KLAC KLA Corporation Common Stock

ρ +0.71beyond mkt +0.31holdout +0.77stable 100%robust

Moves against PDFS

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

ρ -0.45beyond mkt +0.14holdout -0.35stable 100%robust

TAIL Cambria Tail Risk ETF

ρ -0.39beyond mkt +0.09holdout -0.35stable 100%robust

MO Altria Group, Inc.

ρ -0.31beyond mkt -0.04holdout -0.46stable 88%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.41beyond mkt +0.04holdout -0.26stable 88%robust

KR The Kroger Co.

ρ -0.33beyond mkt -0.01holdout -0.44stable 88%robust

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

ρ -0.67beyond mkt -0.00holdout -0.77stable 100%robust

Weekly, not daily

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

URG Ur-Energy Inc.

horizon 10dρ +0.40holdout +0.31stable 75%robust

EFR Eaton Vance Senior Floating-Rate Fund

horizon 10dρ +0.37holdout +0.28stable 88%robust

Changed this quarter

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

DIVB iShares Core Dividend ETF

Δ -0.76recent -0.44prior +0.32beyond mkt -0.05

ONEY State Street SPDR Russell 1000 Yield Focus ETF

Δ -0.76recent -0.43prior +0.33beyond mkt -0.09

DSTL Distillate U.S. Fundamental Stability & Value ETF

Δ -0.74recent -0.41prior +0.33beyond mkt +0.09

CALF Pacer US Small Cap Cash Cows ETF

Δ -0.71recent -0.31prior +0.39beyond mkt -0.01

WY Weyerhaeuser Company

Δ -0.70recent -0.51prior +0.20beyond mkt -0.01

COWZ Pacer US Cash Cows 100 ETF

Δ -0.70recent -0.38prior +0.32beyond mkt +0.02

Hidden links

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

Symbol	beyond mkt	raw ρ	shared	isolation
AMAT Applied Materials, Inc. Common Stock	+0.39	+0.75	19