Rulers Before Models
Series 2: rate rulers, portfolio policy under KKT, covariance and frontier hashes, the risk-neutral tree, and Black-Scholes as contrast rather than a trade ticket. 20 problem/solution essay pairs, each closing with checkable numbers and what-to-lock.
Series 2: rate rulers, portfolio policy under KKT, covariance and frontier hashes, the risk-neutral tree, and Black-Scholes as contrast rather than a trade ticket. 20 problem/solution essay pairs, each closing with checkable numbers and what-to-lock.
Each chapter is a proof step: orient → assemble angles → foreshadow → compress. Watch for culmination boxes and “thread ahead” clues that point later in the series.