Q9, run 2026-11-04-2028-haiku

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As of 1 October 2026, how many distinct issuers hold an issuer rating?

Tests: Everything at once: identity, withdrawal, instrument versus issuer, ceiling versus rating.

Expected: count = 12

❌ R1 csv run 1 graded by code

13. These are the entities with a live LTIDR on 2026-10-01: E01, E02 (E03 is a duplicate by LEI), E05, E06, E08, E09, E10, E12, E13, E14, E15, E16, and CV. E07 was withdrawn (A19).

JSON: {"count": 13}

Why: count: expected 12, got 13

❌ R1 csv run 2 graded by code

13. Entities with an active LTIDR on that date are E01, E02 (E03 is the same LEI), E05, E06, E08, E09, E10, E12, E13, E14, E15, E16, and the sovereign CV. E07 was withdrawn (A19), and VD and E04 have no LTIDR.

JSON: {"count": 13}

Why: count: expected 12, got 13

✅ R1 csv run 3 graded by code

12. Distinct issuers with a current LTIDR on 2026-10-01 are E01, E02/E03 (same LEI), E05, E06, E08, E09, E10, E12, E13, E14, E15, E16. E07 was withdrawn (A19), and E11 and E17 have no LTIDR.

JSON: {"count": 12}

✅ R1 csv run 4 graded by code

12. The issuers with a live LTIDR are E01, E02 (E03 duplicates it), E05, E06, E08, E09, E10 (E17 duplicates it), E12, E13, E14, E15, and E16. E07 was withdrawn (A19) and E11 has only a CO rating of undefined type (A46).

JSON: {"count": 12}

❌ R1 csv run 5 graded by code

13. Issuer ratings (LTIDR) are held by E01, E02/E03, E05, E06, E08, E09, E10, E12, E13, E14, CV, E15 and E16. E02 and E03 share an LEI and count once; E07 was withdrawn (A19).

JSON: {"count": 13}

Why: count: expected 12, got 13

✅ R5 csv+ontology run 1 graded by code

12
Entities with a current LTIDR/STIDR on 2026-10-01: E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, E15, CV. E07 is withdrawn (A19), VD and E11 hold only a Country Ceiling and a credit opinion, and E16 is QA.

JSON: {"count": 12}

✅ R5 csv+ontology run 2 graded by code

12. These are E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, CV and E15. E07 is withdrawn, E04 and E11 have no issuer rating (E11 has only a credit opinion), VD has only a Country Ceiling, and QA record E16 is ignored.

JSON: {"count": 12}

✅ R5 csv+ontology run 3 graded by code

12. E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, E15 and CV hold an issuer rating on that date. E07 is withdrawn (A19), E11 holds only a credit opinion (A46), and E16 is QA data.

JSON: {"count": 12}

✅ R5 csv+ontology run 4 graded by code

12. Issuer ratings (LTIDR) are held by E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, CV and E15. E07 is withdrawn, E04 and E11 have no LTIDR (E11 has only a credit opinion), VD has only a Country Ceiling, and E16 is QA data.

JSON: {"count": 12}

✅ R5 csv+ontology run 5 graded by code

12. Issuers with an issuer rating on 1 Oct 2026 are E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, CV and E15. E04 has no rating, E07 was withdrawn (A19), VD and E11 have only a ceiling or credit opinion, and E16 is QA.

JSON: {"count": 12}

✅ R4 csv+markdown run 1 graded by code

12. These are E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, E15 and CV. E07 has been withdrawn, E11 has only a credit opinion (A46), and the sovereign VD has only a Country Ceiling.

JSON: {"count": 12}

✅ R4 csv+markdown run 2 graded by code

12. Excluding QA record E16, the issuer ratings in force are E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, CV and E15. VD has only a Country Ceiling, E04 and E11 have none or only a CO, and E07 was withdrawn.

JSON: {"count": 12}

✅ R4 csv+markdown run 3 graded by code

12. The issuers with an issuer rating are E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, CV and E15. Excluded: E07 (withdrawn, A19), E04 (no rating), E11 (only a credit opinion, A46), VD (only a Country Ceiling, A12), and E16 (QA record).

JSON: {"count": 12}

✅ R4 csv+markdown run 4 graded by code

12. Counting distinct issuers with a live LTIDR on 1 Oct 2026 gives E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, CV and E15. E03 and E17 merge into E02 and E10, and VD, E04, E07 and E11 have no issuer rating (CC, none, withdrawn and CO respectively).

JSON: {"count": 12}

✅ R4 csv+markdown run 5 graded by code

12. Entities with a current LTIDR rating are E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, CV and E15. E07 is withdrawn (A19), E04 and E11 have no LTIDR (E11 has only a credit opinion, A46), and VD has only a Country Ceiling. E16 is QA and is excluded.

JSON: {"count": 12}

✅ R8 csv+axioms run 1 graded by code

12. In-force LTIDR/STIDR ratings on 1 Oct 2026 belong to E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, E15 and CV. E07 was withdrawn (A19), E16 is a QA record, and E11 and VD have no issuer ratings.

JSON: {"count": 12}

✅ R8 csv+axioms run 2 graded by code

12. These are the legal entities with an in-force LTIDR or STIDR on 1 Oct 2026: E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, CV, E15. I excluded E07 (withdrawn, A19), E04 and E11 (no issuer rating; E11 has only a credit opinion), VD (only a ceiling), and E16 (test record).

JSON: {"count": 12}

✅ R8 csv+axioms run 3 graded by code

12. Issuers with an in-force LTIDR or STIDR are E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, CV and E15. E08 counts because its RD action is in force. E07 (withdrawn in A19), E04, E11, VD (CC only) and E16 (QA) are excluded.

JSON: {"count": 12}

✅ R8 csv+axioms run 4 graded by code

12. The issuers holding an in-force issuer rating are E01, E02, E05, E06, E08, E09, E10, E12, E13, E14, E15 and CV. E07 (withdrawn, A19), E11 (credit opinion only, A46) and E16 (QA) are excluded, and E03 is the same entity as E02. Including the sovereign CV is my reading of "issuer".

JSON: {"count": 12}

✅ R8 csv+axioms run 5 graded by code

12 distinct issuers. Those are E01, Northwind (E02/E03), E05, E06, E08, E09, E10 (with E17), E12, E13, E14, CV, and E15, each with an in-force LTIDR or STIDR. E16 is a QA test record and is excluded.

JSON: {"count": 12}