GRPN Groupon, Inc. Common Stock

Last close: 15.49
504-day return: +49.95%
Median $/day: $22.5M
Relationships shown: 13

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

GRPN vs NIXT

Both indexed to 100 at 2026-05-11.

GRPN NIXT · range 92–169 · 2026-05-11 → 2026-11-06

Moves with GRPN

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

NIXT EA Series Trust Research Affiliates Deletions ETF

ρ +0.39beyond mkt +0.09holdout +0.41stable 100%robust

XPER Xperi Inc

ρ +0.31beyond mkt +0.08holdout +0.27stable 100%robust

IBUY Amplify Online Retail ETF

ρ +0.40beyond mkt +0.06holdout +0.40stable 100%robust

QQEW First Trust Nasdaq-100 Select Equal Weight ETF

ρ +0.39beyond mkt +0.05holdout +0.34stable 100%robust

ITAN Sparkline Intangible Value ETF

ρ +0.40beyond mkt +0.05holdout +0.39stable 100%robust

YMAX YieldMax Universe Fund of Option Income ETFs

ρ +0.36beyond mkt +0.02holdout +0.32stable 88%robust

Moves against GRPN

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

ρ -0.33beyond mkt -0.06holdout -0.24stable 88%robust

Weekly, not daily

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

QNTM Quantum Biopharma Ltd. Class B Subordinate Voting Shares

horizon 10dρ +0.45holdout +0.30stable 50%moderate

MDAI Spectral AI, Inc. Class A Common Stock

horizon 10dρ +0.44holdout +0.37stable 25%moderate

TBLA Taboola.com Ltd. Ordinary Shares

horizon 5dρ +0.43holdout +0.44stable 75%robust

AMD Advanced Micro Devices, Inc. Common Stock

horizon 10dρ +0.41holdout +0.54stable 75%robust

LQDH iShares Interest Rate Hedged Corporate Bond ETF

horizon 5dρ +0.40holdout +0.43stable 75%robust

LCID Lucid Group, Inc. Common Stock

horizon 10dρ +0.40holdout +0.36stable 88%robust

Changed this quarter

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

RFIX Simplify Bond Bull ETF

Δ +0.51recent +0.42prior -0.10beyond mkt -0.03

BP BP p.l.c.

Δ -0.50recent -0.44prior +0.06beyond mkt +0.04

E ENI S.p.A.

Δ -0.47recent -0.44prior +0.03beyond mkt -0.03

HARD Simplify Commodities Strategy No K-1 ETF

Δ -0.46recent -0.45prior +0.02beyond mkt -0.04

MNTN MNTN, Inc.

Δ +0.43recent +0.55prior +0.12beyond mkt -0.04

BGR Blackrock Energy and Resources Trust

Δ -0.43recent -0.36prior +0.06beyond mkt +0.01

Traded with GRPN

Abnormal volume rises and falls on the same days as GRPN'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
HTZ Hertz Global Holdings, Inc Common Stock	+0.45	+0.27	+0.03	<1e-15
ERII Energy Recovery, Inc. Common Stock	+0.41	+0.25	-0.08	<1e-15
SHC Sotera Health Company Common Stock	+0.39	+0.20	+0.02	<1e-15
BVS Bioventus Inc. Class A Common Stock	+0.38	+0.19	+0.03	<1e-15
ADMA ADMA Biologics Inc Common Stock	+0.38	+0.21	-0.05	<1e-15
ASLE AerSale Corporation Common Stock	+0.35	+0.22	-0.02	3e-12