Q15, run 2026-11-04-1616-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 applied until the downgrade A27 on 2026-04-15.

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

✅ R1 csv run 2 graded by code

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

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

✅ R1 csv run 3 graded by code

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

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

✅ R1 csv run 4 graded by code

A-. A26 assigned A- and the downgrade in A27 came on 2026-04-15.

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

✅ R1 csv run 5 graded by code

A-. A26 applies until A27 on 2026-04-15.

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

✅ R2 rdf run 1 graded by code

A-. A26 set it on 2023-05-01, and the downgrade A27 only came on 2026-04-15.

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

✅ R2 rdf run 2 graded by code

A-. E10 held A- from 2023-05-01 (A26), and the downgrade came on 2026-04-15 (A27).

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

✅ R2 rdf run 3 graded by code

A-, from A26. The downgrade in A27 came on 2026-04-15, after that date.

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

✅ R2 rdf run 4 graded by code

A-, from A26. The downgrade, A27, is dated 2026-04-15.

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

✅ R2 rdf run 5 graded by code

A-. E10 was assigned A- on 2023-05-01 (A26) and downgraded only on 2026-04-15 (A27).

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

✅ R6 rdf+ontology run 1 graded by code

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

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

✅ R6 rdf+ontology run 2 graded by code

A-. A26 held for E10 until the downgrade in A27 on 2026-04-15.

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

✅ R6 rdf+ontology run 3 graded by code

A-. A26 set it in 2023, and the downgrade A27 came on 2026-04-15, after that date.

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

✅ R6 rdf+ontology run 4 graded by code

A-. For E10, A26 assigned A- in 2023, and the downgrade to BBB+ (A27) came only on 2026-04-15.

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

✅ R6 rdf+ontology run 5 graded by code

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

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

✅ R5 csv+ontology run 1 graded by code

A-. A26 assigned A- and the downgrade A27 came on 2026-04-15.

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

✅ R5 csv+ontology run 2 graded by code

A-. A26 set it, and A27 did not come until 2026-04-15.

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

✅ R5 csv+ontology run 3 graded by code

A-. A26 set A- and the downgrade A27 came only on 2026-04-15.

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

✅ R5 csv+ontology run 4 graded by code

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

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

✅ R5 csv+ontology run 5 graded by code

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

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