RBBN Ribbon Communications Inc. Common Stock

Last close: 1.35
504-day return: -63.11%
Median $/day: $1.8M
Relationships shown: 13

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

RBBN vs ADTN

Both indexed to 100 at 2026-05-11.

RBBN ADTN · range 26–127 · 2026-05-11 → 2026-11-06

Moves with RBBN

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

ADTN ADTRAN Holdings, Inc. Common Stock

ρ +0.47beyond mkt +0.25holdout +0.43stable 100%robust

HLIT Harmonic Inc. Common Stock

ρ +0.49beyond mkt +0.24holdout +0.44stable 100%robust

EXTR Extreme Networks, Inc. Common Stock

ρ +0.50beyond mkt +0.24holdout +0.39stable 100%robust

XTL State Street SPDR S&P Telecom ETF

ρ +0.53beyond mkt +0.23holdout +0.47stable 100%robust

CSCO Cisco Systems, Inc. Common Stock (DE)

ρ +0.43beyond mkt +0.22holdout +0.37stable 100%robust

UFOX ETF Series Solutions Defiance Space and Connective Tech ETF

ρ +0.54beyond mkt +0.20holdout +0.46stable 100%robust

Moves against RBBN

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

ρ -0.40beyond mkt +0.08holdout -0.25stable 100%robust

TAIL Cambria Tail Risk ETF

ρ -0.36beyond mkt +0.04holdout -0.20stable 88%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.38beyond mkt +0.01holdout -0.22stable 88%robust

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

ρ -0.46beyond mkt +0.01holdout -0.36stable 100%robust

Weekly, not daily

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

NKLR Terra Innovatum Global N.V. Ordinary shares

horizon 10dρ +0.38holdout +0.57stable 38%moderate

HZO MarineMax, Inc.

horizon 5dρ +0.31holdout +0.16stable 62%moderate

OSS One Stop Systems, Inc. Common Stock

horizon 5dρ +0.31holdout +0.40stable 88%robust

Changed this quarter

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

BWMN Bowman Consulting Group Ltd. Common Stock

Δ -0.56recent -0.18prior +0.38beyond mkt +0.07

TS Tenaris S. A.

Δ -0.56recent -0.32prior +0.24beyond mkt -0.01

AOCT Innovator Equity Defined Protection ETF - 2 Yr to October 2028

Δ -0.54recent -0.07prior +0.48beyond mkt +0.04

NMI Nuveen Municipal Income

Δ -0.54recent -0.39prior +0.15beyond mkt +0.01

NDIV Amplify Energy & Natural Resources Covered Call ETF

Δ -0.53recent -0.33prior +0.20beyond mkt -0.02

ALRM Alarm.com Holdings, Inc. Common Stock

Δ -0.52recent -0.17prior +0.34beyond mkt +0.05

Traded with RBBN

Abnormal volume rises and falls on the same days as RBBN'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	score	q
EEFT Euronet Worldwide, Inc. Common Stock	+0.31	+0.18	-0.03		2e-9