https://gdpark.blog/tags/option-adjusted-spread/Recent content in Option-Adjusted Spread on gdpark.blogHugoenFri, 27 Dec 2024 00:00:00 +0000https://gdpark.blog/posts/cfa-l2-16-option-adjusted-spread-oas/Fri, 27 Dec 2024 00:00:00 +0000https://gdpark.blog/posts/cfa-l2-16-option-adjusted-spread-oas/OAS is the constant spread you add to every node of a risk-free binomial tree until your callable bond price matches the market — and spoiler: it has nothing to do with options.