Themes / Group
Inactive · newly observed relationshipLatest completed snapshot · Sep 30 · 18:28 ET

MARKET-DISCOVERED GROUP

Building Products

THE TRADER READBroad relative move, confirmed beyond the cohort—but not by flow

8 of 8 measured SPY-adjusted paths align to the upside across 7.6 effective names. MBC, SPB are also moving with filing-linked members. Capital-flow agreement is 24%, so the basket is not yet clean. No verified headline preceded the measured move.

Price breadth6 up · 2 down+1.5% median path versus SPY
Capital-flow alignment24%Price breadth is not yet confirmed by flow
Activity nowCalmActivity score 2/100 · lift 0.8×
Evidence depth1 support daysLow sample—context, not a validated playbook
EVIDENCE CLOCK

What happened, in timestamp order

4 timed events · 10:55–15:55 ET
TIMING READNo verified timestamped headline was found within 24 hours of the first measured price move in the available common-bar window. The move currently reads as market-led or unexplained.
  1. 5-minute inferenceHNI registered the first material upside path

    +0.71% session path at the threshold · HNI

  2. 5-minute inferenceCSL registered a material upside path

    +0.93% session path at the threshold · CSL

  3. 5-minute inferenceGFF registered a material upside path

    +1.85% session path at the threshold · GFF

  4. 5-minute inferenceMAS registered a material upside path

    +0.79% session path at the threshold · MAS

2 earlier filing context receipts

MON, AUG 3HNI filing documented shared operating contextrestructuring affecting expense · date precision only

TUE, AUG 4FBIN filing documented shared operating contextrestructuring affecting expense · date precision only

Headline times and retained activity confirmations are point-in-time evidence. Price order is inferred from aligned 5-minute bars. Filing evidence has date precision only and is context, not an intraday catalyst claim.
THEME CONSTRUCTION

Broad move or one-stock disguise?

SPY-adjusted 5m paths

Observed movement is broad across 7.6 effective names. HNI represents 18.7% of absolute path energy; 8 of 8 members align with the up relative path.

ConstructionBroad18.7% from the largest path
Effective names7.6 / 8Movement diversity after concentration
Direction breadth8/8 alignedupside relative path · 0 counter-moving
Largest moverHNI 18.7%33.5% from the top two paths
HNI18.7%Aligned contributor · path +2.40% · basket +0.30pp
OC14.8%Aligned contributor · path +1.90% · basket +0.24pp
JHX12.7%Aligned contributor · path +1.63% · basket +0.20pp
CSL11.7%Aligned contributor · path +1.50% · basket +0.19pp
GFF11.0%Aligned contributor · path +1.41% · basket +0.18pp
FBIN10.7%Aligned contributor · path +1.37% · basket +0.17pp
MAS10.6%Aligned contributor · path +1.36% · basket +0.17pp
MHK9.8%Aligned contributor · path +1.25% · basket +0.16pp
Top six names by movement share are shown. Movement share measures absolute 5-minute path energy; signed basket contribution is equal-weight. Neither is a portfolio weight or causal attribution.

01 · WHAT IS HAPPENING

The move, the flow and who is driving it

Price breadth, unusual activity and signed capital flow are separate observations
HOW THE PRICE MOVE SPREAD

Observed session sequence

5-minute bars · inferred
  1. HNI moved higher firstFirst member to clear the material path threshold · path +0.71%
  2. CSL registered a material higher path0m after the first price move · path +0.93%
  3. GFF registered a material higher path0m after the first price move · path +1.85%
  4. MAS registered a material higher path0m after the first price move · path +0.79%
  5. MHK registered a material higher path0m after the first price move · path +0.99%
  6. OC registered a material higher path50m after the first price move · path +0.97%

Sequence inferred from aligned 5-minute price paths; it is not a causal ordering.

RELATIVE CO-MOVEMENT

How the members are behaving together

SPY-adjusted
Oct 1 · 10:55 ETMove visible 12:05 ETOct 1 · 15:55 ET
Group median +1.46%Strongest relative path HNIWeakest relative path MHK

Observed member paths adjusted against SPY. The dashed marker shows when the median move first cleared a material threshold; shading marks the latest 20% of the observed window.

02 · WHY IT MATTERS

Why now and where the move could travel

Context and lead/lag links are evidence, not proof of causation or a forecast
WHY NOW

Verified recent context

0 items

No verified recent catalyst is attached to this move. The relationship may be market-led rather than news-led.

WHY THIS GROUP EXISTS

Shared filing context

8/8 members covered

Moderate filing support: the strongest shared 10-Q/K outlook is operating setup (near-term outlook) across FBIN, GFF, HNI, MHK, OC.

restructuring affecting expense

“The decrease was driven by impacts from the acquisition of Steelcase, including $21.9 million of purchase accounting with respect to intangible amortization related to the preliminary valuation of Steelcase, $16.6 million of restructuring and impairment costs, and $1.9 million of acquisition and related costs, as well as lower net sales in the legacy HNI business, partially offset by 170 basis points of favorable net tariff impacts and improved net productivity.”

HNI 10-Q · 2026-08-04
input costs affecting expense

“The increase was driven by $8.3 million in charges associated with the pending acquisition of Steelcase and higher input costs, partially offset by higher net sales.”

HNI 10-Q · 2025-11-05
restructuring

“Excluding the purchase accounting adjustments and restructuring and impairment charges, net income increased in the current quarter driven by improved net productivity.”

HNI 10-Q · 2026-05-06
CONFIRMATION NETWORK

Outsiders and cross-asset links

2 outsiders confirming

No qualified cross-asset lead/lag link is available for this group.

Filing-linked outsiders test whether the move is spreading beyond the established cohort.

MBCMoving with group

FBIN · text peer

SPBMoving with group

FBIN · text peer

AWINot confirming

MHK · text peer

SWKNot confirming

FBIN · text peer

03 · WHO IS IN IT

Member participation

Unusual activity and daily price direction are shown separately
HNIOCGFFMASCSLJHXFBINMHK

5/8 active6 rising · 2 falling

MemberUnusual activityToday's moveRead now
HNIHNI Corporation
Most unusual · 100/100
+3.3%
Aligned path contributorActive in 0% of observed group sessions
OCOwens Corning
Elevated · 100/100
+0.3%
Aligned price + flowActive in 0% of observed group sessions
GFFGriffon Corporation
Elevated · 81/100
-0.1%
Aligned price + flowActive in 0% of observed group sessions
MASMasco Corporation
Elevated · 76/100
+1.3%
Aligned price + flowActive in 0% of observed group sessions
CSLCarlisle Companies Incorporated
Elevated · 38/100
+1.0%
Aligned path contributorActive in 0% of observed group sessions
JHXJames Hardie Industries plc
Elevated · 34/100
-0.5%
Aligned price + flowActive in 0% of observed group sessions
FBINFortune Brands Innovations, Inc.
Elevated · 32/100
+1.1%
Aligned price + flowActive in 0% of observed group sessions
MHKMohawk Industries, Inc.
Quiet · 27/100
+0.3%
Watch / laggardActive in 0% of observed group sessions
View exact member values
TICKERCompanyRole nowTodayObserved historyTrader interpretation
HNIHNI CorporationMost unusual+3.3%0% of 0 sessionsMost unusual activity in this snapshot; performance direction may differ.
OCOwens CorningParticipating+0.3%0% of 0 sessionsPrice participation with distributing signed flow.
GFFGriffon CorporationParticipating-0.1%0% of 0 sessionsPrice participation with accumulating signed flow.
MASMasco CorporationParticipating+1.3%0% of 0 sessionsPrice participation with distributing signed flow.
CSLCarlisle Companies IncorporatedParticipating+1.0%0% of 0 sessionsPrice participation is not yet confirmed by per-name flow.
JHXJames Hardie Industries plcParticipating-0.5%0% of 0 sessionsPrice participation with distributing signed flow.
FBINFortune Brands Innovations, Inc.Participating+1.1%0% of 0 sessionsPrice participation with distributing signed flow.
MHKMohawk Industries, Inc.Quiet / lagging+0.3%0% of 0 sessionsNot participating yet; a breadth test or a genuine divergence.

04 · HAS THIS HAPPENED BEFORE

Identity history versus measured outcomes

Structural recurrence is not the same as a validated trading outcome
POINT-IN-TIME LIVE OUTCOMES

Live outcome ledger collecting

0/0 events completed

No completed point-in-time outcome is available yet. New live confirmations are now retained with their exact observation timestamp; statistics appear only after the corresponding candles complete.

Only point-in-time live watcher observations and conservative same-day EOD observations are included. Later backfills and replay runs are excluded.
Low structural sample

Only 0 completed episodes across 0 active sessions; treat history as context, not a validated playbook. These episode counts describe recurrence; the outcome ledger above is the only forward-performance evidence.

Structural support1 dayHow often the cohort identity was observed
Completed episodes0Separate periods of broad group activity
Active sessions0Completed session observations, not trades
2026-09-308 names in the durable cohort
MEMBER CONSISTENCY IN OBSERVED ACTIVE SESSIONS
CSL0% · 0 episodes
FBIN0% · 0 episodes
GFF0% · 0 episodes
HNI0% · 0 episodes
JHX0% · 0 episodes
MAS0% · 0 episodes
MHK0% · 0 episodes
OC0% · 0 episodes