A Replication approach for the evaluation of embedded options in german building savings contracts

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      <subfield code="a">A Replication approach for the evaluation of embedded options in german building savings contracts</subfield>
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      <subfield code="a">This article presents a replication method for valuing embedded options in German building-savings contracts, which are complex financial instruments whose evolution depends heavily on customer behavior and interest-rate dynamics. The study adapts to the building-savings context a technique commonly used in life insurance: the construction of replication portfolios using swaps and swaptions. To achieve this, the authors develop an approach based on synthetic cash flows and Monte Carlo stochastic simulations calibrated under a risk-neutral measure. The model captures the convexity of the contract portfolio and accurately reflects its sensitivity to interest-rate movements. The results show that the methodology is promising as a standard for the valuation and risk management of building-savings institutions</subfield>
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      <subfield code="g">11/08/2025 Volume 15 - Number 2 - August  2025 , p. 753 - 771</subfield>
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