RPD Rapid7, Inc. Common Stock

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

RPD vs TENB

Both indexed to 100 at 2026-05-11.

RPD TENB · range 96–281 · 2026-05-11 → 2026-11-06

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

TENB Tenable Holdings, Inc. Common Stock

ρ +0.63beyond mkt +0.43holdout +0.68stable 100%robust

QLYS Qualys, Inc. Common Stock

ρ +0.61beyond mkt +0.41holdout +0.69stable 100%robust

CIBR First Trust Exchange-Traded Fund II First Trust NASDAQ Cybersecurity ETF

ρ +0.58beyond mkt +0.38holdout +0.59stable 100%robust

WCLD WisdomTree Trust WisdomTree Cloud Computing Fund

ρ +0.67beyond mkt +0.37holdout +0.71stable 100%robust

OKTA Okta, Inc. Class A Common Stock

ρ +0.57beyond mkt +0.33holdout +0.63stable 100%robust

S SentinelOne, Inc.

ρ +0.57beyond mkt +0.30holdout +0.57stable 100%robust

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

ELMD Electromed, Inc.

horizon 10dρ +0.37holdout +0.31stable 88%robust

BRW Saba Capital Income & Opportunities Fund

horizon 5dρ +0.32holdout +0.27stable 50%moderate

KREF KKR Real Estate Finance Trust Inc.

horizon 5dρ +0.31holdout +0.28stable 25%moderate

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

LUCK Lucky Strike Entertainment Corporation

Δ -0.61recent -0.37prior +0.24beyond mkt -0.03

TNC TENNANT COMPANY

Δ -0.60recent -0.39prior +0.21beyond mkt -0.04

ACTG Acacia Research Corporation (Acacia Tech) Common Stock

Δ -0.57recent -0.38prior +0.19beyond mkt -0.06

DH Definitive Healthcare Corp. Class A Common Stock

Δ -0.52recent -0.08prior +0.43beyond mkt +0.08

LXU LSB INDUSTRIES INC

Δ -0.51recent -0.30prior +0.21beyond mkt +0.01

AEYE AudioEye, Inc. Common Stock

Δ -0.51recent -0.07prior +0.43beyond mkt +0.07

Abnormal volume rises and falls on the same days as RPD'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
BLKB Blackbaud, Inc. Common Stock	+0.44	+0.19	+0.00	<1e-15
TDC TERADATA CORPORATION	+0.43	+0.22	+0.20	<1e-15
PAYC PAYCOM SOFTWARE, INC.	+0.34	+0.22	+0.02	1e-11
APO Apollo Global Management, Inc.	+0.30	+0.25	-0.00	7e-9
BCO The Brink's Company	+0.36	+0.12	-0.02	6e-13
TTEC TTEC Holdings, Inc. Common Stock	+0.31	+0.22	+0.01	2e-9

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

Symbol	beyond mkt	raw ρ	shared
WCLD WisdomTree Trust WisdomTree Cloud Computing Fund	+0.37	+0.67	17
CIBR First Trust Exchange-Traded Fund II First Trust NASDAQ Cybersecurity ETF	+0.38	+0.58	22
TENB Tenable Holdings, Inc. Common Stock	+0.43	+0.63	23
QLYS Qualys, Inc. Common Stock	+0.41	+0.61	25