Why is the equity component of a convertible never remeasured after initial recognition?

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AcadiFi · Accepted Answer

The conceptual answer is rooted in IAS 32's view that equity instruments are not financial liabilities and therefore escape fair-value remeasurement. Once you classify a component as equity — a fixed-for-fixed conversion right, for example — it sits permanently in shareholders' equity at its day-one carrying amount. Consider Kelston Industries. They issued $180M convertibles in 2023, splitting $46M to an equity reserve. In 2025 the share price triples and interest rates collapse. Under IFRS the equity reserve remains $46M. Only the liability component gets amortized at its original effective rate using the amortized cost method. This produces what looks like a mismatch — the 'in-the-money' conversion feature is worth far more economically than $46M — but IFRS prioritizes simplicity over continuous remeasurement for equity claims. ```mermaid flowchart LR A[Day 1
Proceeds $180M] --> B[Liability
PV $134M] A --> C[Equity
Residual $46M] B --> D[Amortize at
Effective Rate] C --> E[Frozen
No Remeasure] ``` Exam tip: On conversion, transfer the liability's carrying amount plus the equity reserve into share capital. No gain or loss hits the income statement. On repurchase before maturity, allocate consideration between the two components using current market rates and recognize any gain or loss only on the liability piece. The equity leg goes through retained earnings.

Why is the equity component of a convertible never remeasured after initial recognition?

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