RecordedMidterm 20 Oct: in — Block 2 (21 p. 7: compounding frequencies, EAR against APR, HPR)P9: Approved by Tony (20 Sep, the course exemplar) — P9 passed 20 Sep; pronoun pass owed, Tony's call. Edited after it — 22 Sep: the quotation round corrected quotations and citations (Tony's ruling of 22 Sep); 13 Oct: edits by the midterm batch, after which Tony ruled it stays approved. Those edits were checked by the editing passes' own math, quotation and leak runs, not by a new audit.

Financial Economics — Lecture 4: Mortgages, How Interest Rates Are Quoted, and Returns FIN STUDY BUILD fin-2026-09-17-L4.md built 2026-10-16T16:13:25 84,512 words counting blocks…
Concise view — derivations, worked examples and Worked problems are hidden. Each one leaves a stub you can click.