ARAY Accuray Incorporated Common Stock

Last close: 0.11
504-day return: -93.71%
Median $/day: $826k
Relationships shown: 14

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

ARAY vs EHTH

Both indexed to 100 at 2026-05-11.

ARAY EHTH · range 26–123 · 2026-05-11 → 2026-11-06

Moves with ARAY

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

EHTH eHealth, Inc. Common Stock

ρ +0.34beyond mkt +0.17holdout +0.34stable 100%robust

LEGH Legacy Housing Corporation Common Stock (TX)

ρ +0.35beyond mkt +0.16holdout +0.38stable 100%robust

BDTX Black Diamond Therapeutics, Inc. Common Stock

ρ +0.36beyond mkt +0.14holdout +0.24stable 88%robust

SSYS Stratasys, Ltd. Ordinary Shares (Israel)

ρ +0.38beyond mkt +0.10holdout +0.35stable 100%robust

SPXX NUVEEN S&P 500 DYNAMIC OVERWRITE FUND

ρ +0.31beyond mkt -0.08holdout +0.18stable 88%robust

AI C3.ai, Inc.

ρ +0.38beyond mkt +0.07holdout +0.20stable 88%robust

Moves against ARAY

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

ρ -0.35beyond mkt +0.04holdout -0.17stable 75%moderate

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

ρ -0.36beyond mkt +0.03holdout -0.27stable 100%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.33beyond mkt -0.01holdout -0.16stable 88%moderate

Weekly, not daily

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

GFAI Guardforce AI Co., Limited Ordinary Shares

horizon 10dρ +0.52holdout +0.44stable 75%robust

RR Richtech Robotics Inc. Class B Common Stock

horizon 10dρ +0.52holdout +0.43stable 88%robust

DUOT Duos Technologies Group, Inc. Common Stock

horizon 10dρ +0.40holdout +0.55stable 75%robust

HFFG HF Foods Group Inc. Common Stock

horizon 5dρ +0.34holdout +0.24stable 75%robust

EVCM EverCommerce Inc. Common Stock

horizon 5dρ +0.31holdout +0.18stable 88%robust

Changed this quarter

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

BTA Beacon Tactical Alternatives Risk ETF

Δ -0.62recent -0.50prior +0.12beyond mkt -0.09

LALT First Trust Multi-Strategy Alternative ETF

Δ -0.56recent -0.36prior +0.20beyond mkt +0.02

UIS Unisys Corporation

Δ -0.55recent -0.17prior +0.38beyond mkt +0.01

VTOL Bristow Group Inc.

Δ -0.52recent -0.22prior +0.30beyond mkt +0.01

AMBA Ambarella, Inc. Ordinary Shares

Δ -0.50recent -0.09prior +0.40beyond mkt +0.07

CDXS Codexis, Inc. Common Stock

Δ -0.49recent -0.11prior +0.39beyond mkt +0.04

Traded with ARAY

Abnormal volume rises and falls on the same days as ARAY's, while prices do not move together: the same hands, not the same business.

Symbol	traded together ρ	big prints together ρ	priced together ρ	q
HUBC Hub Cyber Security Ltd. Ordinary Shares	+0.54	+0.34	+0.04	<1e-15
NIVF NewGenIvf Group Limited Class A Ordinary Shares	+0.31	+0.24	-0.05	3e-9
VUZI Vuzix Corporation Common Stock	+0.31	+0.22	+0.01	4e-9
TWAV TaoWeave, Inc. Common Stock	+0.31	+0.17	-0.00	2e-9
CLRB Cellectar Biosciences, Inc. Common Stock	+0.33	+0.17	+0.08	2e-10
SMX SMX (Security Matters) Public Limited Company Ordinary Shares	+0.37	+0.07	+0.06	<1e-15