Why MRVL

NEUTRAL +0.2840

score +0.2840 sits in the NEUTRAL band [+0.20, +0.40) of the published threshold table · snapshot 2026-09-21 17:00 UTC · point-in-time, never edited

Research and education only — not investment advice. Signal labels are research classifications, not buy/sell recommendations. Investment implication: none established — no buy, sell, or alpha conclusion is supported by this page.

Component breakdown (C1–C9, confidence-weighted composite)

C1 Price momentum w=0.12
+0.424
C2 Volume confirmation w=0.08
+0.000
volume feed not wired — zero-confidence by design (C2 challenger accrues in a parallel shadow table)
C3 Sector velocity w=0.12
+0.684
C4 Macro regime w=0.15
+0.600
macro-regime input frozen as of 2026-05-18 with staleness disclosure, pending macro engine restoration
C5 Oil/rates/FX w=0.05
+0.000
C6 Event impact w=0.18
-0.243
C7 Peer correlation w=0.10
+0.505
C8 Cascade effect w=0.12
+0.000
C9 Model trust w=0.08
-0.400

Weights are the published composite weights; component scores are the current snapshot's stored values. C6 event impact carries the highest single weight by design — evidence is meant to correct price-only signals, not echo them.

Excerpt corrections and quality flags

Original excerpts and their hashes are never edited; a corrected display excerpt is a separate annotation with its own digest and date. Detector hits stay SUSPECTED until verified against the primary document.

Evidence coverage — the four terms

96
ECS (0–100)
16
accepted events, 90d
5.9
days since latest event
4
distinct event types
1
substrate active (0/1)

Evidence Coverage v1 (registered protocol): how much evidence stands under this classification — coverage, not prediction.

Latest accepted events

INSIDER_SELL magnitude 0.34 · direction -1 · 4-parsed · 5.9 days ago
MURPHY MATTHEW J S 7500 shares @ $223.39 on 2026-09-15 ($1,675,425)
source filing ↗
INSIDER_SELL magnitude 0.41 · direction -1 · 4-parsed · 19.1 days ago
Koopmans Chris S 10000 shares @ $203.27 on 2026-09-01 ($2,032,700)
source filing ↗
OTHER_MATERIAL magnitude 0.20 · direction +0 · 10-Q · 24.3 days ago
0001835632 us-gaap:PreferredStockMember 2026-01-31 0001835632 us-gaap:CommonStockMember 2026-01-31
source filing ↗
PARTNERSHIP magnitude 0.80 · direction +1 · 8-K · 33.6 days ago
On July 29, 2026, Marvell Technology, Inc. (the “Company”) and Google LLC (“Google”) entered into a commercial agreement relating
source filing ↗
INSIDER_SELL magnitude 0.35 · direction -1 · 4-parsed · 34.9 days ago
MURPHY MATTHEW J S 7500 shares @ $236.08 on 2026-08-17 ($1,770,600)
source filing ↗

Label history (last 30 snapshot days)

Point-in-time record, oldest → newest; colors follow the label legend on the home page. Never edited after the fact.

Story membership

This name dominates story #1 in the SMH lens (77 events, 95.1% of that lens's event mass, dominant type INSIDER_SELL) — see the Evidence structure panel on the lens page.

Research and education only — not investment advice. Investment implication: none established — no buy, sell, or alpha conclusion is supported by this page. Past results — in-sample or forward-tracked — do not predict future performance.

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Data through 2026-09-21 (last completed U.S. trading day); generated at 2026-09-21 23:03 UTC.