What to know
Identify the rule, formula, or decision criterion before reading the answer choices. CFA Level I distractors often use the right vocabulary with the wrong condition.
MBS and ABS is part of CFA Level I Fixed Income. Fixed Income questions focus on bond cash flows, yield measures, duration, convexity, credit risk, securitization, and curve interpretation. Use this page to review the controlling ideas, then work through 1 question with answer explanations and common traps.
Review the worked explanations before moving into adaptive practice. The app version can mix this topic with due reviews and weak related concepts.
Practice this topicIdentify the rule, formula, or decision criterion before reading the answer choices. CFA Level I distractors often use the right vocabulary with the wrong condition.
Work each item under time pressure, then compare your reasoning with the step-by-step explanation and key takeaway.
Missed questions should become scheduled reviews when the error comes from a concept gap, formula setup, or answer-choice trap.
MBS and ABS
Mortgage rates fall sharply after a collateralized mortgage obligation is issued. For a planned amortization class tranche, the main risk support tranches are designed to absorb first is most likely:
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