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Governed market basket · Current read

Property & Casualty Underwriters

Which listed insurance holding companies maintain a principal operating franchise in property-and-casualty underwriting across personal, commercial, specialty, or reinsurance risks?

API

Completed-session return+0.29%Sep 2, 2026 · Fresh
Prior published+0.08%Sep 1, 2026
Breadth7 ↑ · 0 → · 1 ↓7 of 8 PRIMARY higher
Dispersion0.32%PRIMARY return spread
Composition8 PRIMARY · 0 CONTEXTExact governed membership
Living Basket chart

Completed-session return

Zero-centered · one mark per session
gaps remain gaps

Sep 2+0.29%completed-session return
+5%0%-5%Method, membership, or activation identity break before Aug 13. No cross-segment stitch.Method, membership, or activation identity break before Aug 14. No cross-segment stitch.Aug 12 · pending · no Basket returnAug 13 · pending · no Basket returnAug 14 · pending · no Basket returnAug 17 · pending · no Basket returnAug 18 · withheld · no Basket returnAug 19 · withheld · no Basket returnAug 20 · withheld · no Basket returnAug 21 · withheld · no Basket returnAug 24 · withheld · no Basket returnAug 25 · withheld · no Basket returnAug 26 · withheld · no Basket returnAug 27 · -1.28% completed-session return · 2026.08.full_epoch_leave_one_out.v1Aug 28 · +0.42% completed-session return · 2026.08.full_epoch_leave_one_out.v1Aug 31 · -0.80% completed-session return · 2026.08.full_epoch_leave_one_out.v1Sep 1 · +0.08% completed-session return · 2026.08.full_epoch_leave_one_out.v1Sep 2 · +0.29% completed-session return · 2026.08.full_epoch_leave_one_out.v1Aug 12Aug 18Aug 24Aug 27Sep 2
positivenegativepending / withheldidentity break
Adjusted-price measurement · no carry or backfill
Current cohort shape

PRIMARY relative to exact peers

Subject-excluded one-session relative strength. Zero is the peer line.

8 of 8 measured

Informational only — not investment advice. MarketSchema is not a registered investment adviser. Condition Percentile reads and indexes are quantitative measurements derived from public market data, not recommendations to buy or sell any security.