Retrospective Net Reserve Calculator
Calculate the retrospective net reserve as accumulated net premiums minus the accumulated cost of insurance, shared among survivors at the stated duration.
Description
Calculate the retrospective net reserve as accumulated net premiums minus the accumulated cost of insurance, shared among survivors at the stated duration.
Retrospective Net Reserve Calculator provides a focused, reproducible calculation with explicit inputs and a deterministic result. Calculate the retrospective net reserve as accumulated net premiums minus the accumulated cost of insurance, shared among survivors at the stated duration.
Use to reconstruct a simplified net reserve from past premium and expected claim cash flows.
When to use Retrospective Net Reserve Calculator
Use to reconstruct a simplified net reserve from past premium and expected claim cash flows.1
How the calculation works
Calculate the retrospective net reserve as accumulated net premiums minus the accumulated cost of insurance, shared among survivors at the stated duration.
Reserve = accumulated value of past premiums less claims, per survivor 1Inputs and interpretation
Keep every input on the same valuation, timing, unit, and assumption basis. Interpret the output at the precision supported by those inputs rather than treating extra decimal places as additional certainty.
Assumptions and limitations
The reserve is undefined if no modeled policies survive to the valuation duration and depends on consistent timing and mortality assumptions.
References
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Supplementary Notes for Actuarial Mathematics for Life Contingent Risks — Society of Actuaries