Q15, run 2026-11-04-1643-sonnet

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What was Halden Bank's rating on 1 January 2026?

Tests: Time: the downgrade came later in 2026.

Expected: rating = A-

✅ R1 csv run 1 graded by code

A-. A26 stands for E10 (E17 is the same LEI) until the downgrade on 2026-04-15.

JSON: {"rating": "A-"}

✅ R1 csv run 2 graded by code

A-. E10 was assigned A- in A26, and the downgrade (A27) came on 2026-04-15. E17 is the same LEI.

JSON: {"rating": "A-"}

✅ R1 csv run 3 graded by code

A-. E10 was assigned A- (A26) and not downgraded until 2026-04-15 (A27). E17 shares E10's LEI and has no actions of its own.

JSON: {"rating": "A-"}

✅ R1 csv run 4 graded by code

A-. E10 was assigned A- in A26 and downgraded only on 2026-04-15 (A27). E17 is a duplicate record of E10 (same LEI).

JSON: {"rating": "A-"}

✅ R1 csv run 5 graded by code

A-. Halden Bank (E10, with E17 as a duplicate by LEI) was assigned A- (A26) and not downgraded until 2026-04-15 (A27).

JSON: {"rating": "A-"}

✅ R2 rdf run 1 graded by code

A-. This is E10 (A26); the downgrade in A27 came in April 2026. E17 has the same LEI, so it is a duplicate record with no ratings.

JSON: {"rating": "A-"}

✅ R2 rdf run 2 graded by code

A-. E10 was A- from A26 until the downgrade on 2026-04-15 (A27). E17 is a duplicate record with the same LEI and has no ratings.

JSON: {"rating": "A-"}

✅ R2 rdf run 3 graded by code

A-. E10's A- (A26) stood until the 2026-04-15 downgrade (A27). E17 "HALDEN BANK" has the same LEI as E10 and no ratings of its own.

JSON: {"rating": "A-"}

✅ R2 rdf run 4 graded by code

A-. E10 held A- (A26) until the downgrade on 2026-04-15. E17 "HALDEN BANK" shares E10's LEI and has no ratings of its own.

JSON: {"rating": "A-"}

✅ R2 rdf run 5 graded by code

A-. E10 held A- (A26) until the downgrade on 2026-04-15 (A27). E17 "HALDEN BANK" has the same LEI and no ratings.

JSON: {"rating": "A-"}

✅ R6 rdf+ontology run 1 graded by code

A-. E17 is the same entity as E10, and A26 (A-, 2023-05-01) held until the downgrade A27 on 2026-04-15.

JSON: {"rating": "A-"}

✅ R6 rdf+ontology run 2 graded by code

A-. E10 (and E17, which has the same LEI) has been rated A- since A26. The downgrade to BBB+ (A27) came on 2026-04-15.

JSON: {"rating": "A-"}

✅ R6 rdf+ontology run 3 graded by code

A-. E10 was assigned A- in A26 (2023-05-01) and was downgraded only on 2026-04-15 (A27). E17 is the same entity by LEI and has no actions.

JSON: {"rating": "A-"}

✅ R6 rdf+ontology run 4 graded by code

A-. E10 held A- (A26) until the downgrade on 2026-04-15 (A27).

JSON: {"rating": "A-"}

✅ R6 rdf+ontology run 5 graded by code

A-. E17 is the same entity as E10 (same LEI), and E10 was rated A- (A26) until the downgrade on 2026-04-15 (A27).

JSON: {"rating": "A-"}

✅ R5 csv+ontology run 1 graded by code

A-. A26 set E10's rating at A-, and the downgrade A27 came on 2026-04-15.

JSON: {"rating": "A-"}

✅ R5 csv+ontology run 2 graded by code

A-. E17 is the same entity as E10 (same LEI). A26 set A-, and the downgrade A27 was not until April 2026.

JSON: {"rating": "A-"}

✅ R5 csv+ontology run 3 graded by code

A-. E10 was assigned A- (A26), and the downgrade to BBB+ came on 2026-04-15 (A27).

JSON: {"rating": "A-"}

✅ R5 csv+ontology run 4 graded by code

A-. A26 set E10 at A-, and the downgrade A27 came in April 2026. E17 shares the LEI but has no actions.

JSON: {"rating": "A-"}

✅ R5 csv+ontology run 5 graded by code

A-. E10 and E17 share an LEI, and A26 (A-) held until the downgrade on 2026-04-15 (A27).

JSON: {"rating": "A-"}

✅ R4 csv+markdown run 1 graded by code

A-, from A26. The downgrade A27 came later, on 2026-04-15.

JSON: {"rating": "A-"}

✅ R4 csv+markdown run 2 graded by code

A-. E17 is the same entity as E10, and A26 (A-) was the latest action before A27 (2026-04-15).

JSON: {"rating": "A-"}

✅ R4 csv+markdown run 3 graded by code

A-. E17 shares E10's LEI, and A26 set A-. The downgrade A27 came in April 2026.

JSON: {"rating": "A-"}

✅ R4 csv+markdown run 4 graded by code

A-. A26 set it, and the downgrade A27 came later, on 2026-04-15.

JSON: {"rating": "A-"}

✅ R4 csv+markdown run 5 graded by code

A-. E17 is the same entity as E10 and has no actions of its own. A26 set A- and the downgrade came later (A27, 2026-04-15).

JSON: {"rating": "A-"}

✅ R3 csv+padding run 1 graded by code

A-. A26 assigned E10 A- and the downgrade A27 came on 2026-04-15. E17 is the same LEI.

JSON: {"rating": "A-"}

✅ R3 csv+padding run 2 graded by code

A-. E10 was assigned A- in A26, and the downgrade in A27 came only on 2026-04-15.

JSON: {"rating": "A-"}

✅ R3 csv+padding run 3 graded by code

A-. E10 was assigned A- (A26) and not downgraded until 2026-04-15 (A27).

JSON: {"rating": "A-"}

✅ R3 csv+padding run 4 graded by code

A-. A26 applies to E10, and E17 is a duplicate of E10 by LEI. The downgrade A27 came later, on 2026-04-15.

JSON: {"rating": "A-"}

✅ R3 csv+padding run 5 graded by code

A-. E10 was assigned A- (A26) and not downgraded until 2026-04-15 (A27).

JSON: {"rating": "A-"}