Objective
Improve Vitral MAM corr vs AS (2nd pass).
Notes: Vitral MAM corr 0.938→0.951 via DBC→PDBC stitch. Official verify PASS CAGRΔ +1.18%. Findings: vitral-mam-corr-t119.md
Approach
Reuses existing report research/findings/vitral-mam-corr-t119.md — tables/metrics preserved verbatim via source_report pointer. Body below summarizes grounded evidence from that report and adjacent artifacts.
Files / code / data changed
Associated commits (inferred from log grep t119):
2d9e7d72research: t119 Vitral MAM corr 0.938→0.951 (DBC→PDBC stitch) (#103)2d9e7d72research: t119 Vitral MAM corr 0.938→0.951 (DBC→PDBC stitch) (#103)- Source report:
research/findings/vitral-mam-corr-t119.md - Task-history entry:
research/findings/task-history.json#t119
Results
Key table from source report (preserved):
| variant | corr | CAGRΔ | notes |
|---|---|---|---|
| baseline (no stitch) | 0.938 | +1.59% | t112 |
| DBC→PDBC stitch | 0.951 | +1.18% | clears 0.95 |
| + EEM→IEMG stitch | 0.951 | +1.18% | no extra lift (IEMG already long enough) |
| thr=4/9 | 0.945 | +1.58% | worse |
| protection_b=11 | 0.952 | +1.29% | tiny lift; rejects live cash 1/10.5 |
| corr_adj on | 0.943 | +0.48% | still hurts |
| q≠1 | ≤0.949 | — | no clear win |
Conclusions and metrics are in research/findings/vitral-mam-corr-t119.md; see detail page for preserved tables/metrics.
Conclusions
Vitral MAM corr 0.938→0.951 via DBC→PDBC stitch. Official verify PASS CAGRΔ +1.18%. Findings: vitral-mam-corr-t119.md
Problems / follow-ups
- See source report or PR discussion for follow-ups. No unsupported follow-ups fabricated.
Links
- Task-history:
research/findings/task-history.jsonidt119 - Findings:
research/findings/vitral-mam-corr-t119.md - Commits:
2d9e7d72,2d9e7d72