IFoA SA4 study materials
IFoA SA4 study resources

IFoA SA4 flashcards

IFoA SA4 · Build recall with a focused review session.

32 cards. Read the term and the definition here. The deck at the top of this page is optional.

Combined ratio
Loss ratio plus expense ratio; below 100% means an underwriting profit before investment income, while above 100% means underwriting losses must be covered by investment returns.
Underwriting cycle
Recurring pattern of soft and hard markets driven by capital availability and prior loss experience; soft markets follow surplus capital, hard markets follow capital depletion after large losses.
Subscription market
Market structure where several insurers or syndicates each take a share of the same risk under common terms, with a lead underwriter setting price and conditions for followers.
Solvency Capital Requirement
Capital calibrated to a 1-in-200 one-year value-at-risk of basic own funds; it must exceed the Minimum Capital Requirement and may be computed by standard formula or approved internal model.
Risk margin
Cost of holding non-hedgeable SCR and MCR capital for the run-off of obligations; under Solvency II it uses a 6% per annum cost-of-capital rate.
ORSA
Own Risk and Solvency Assessment: the insurer's forward-looking assessment of capital adequacy over the business plan, including stress and reverse stress tests and overall solvency needs.
Pure premium
Expected claim cost per unit of exposure, equal to claim frequency multiplied by average claim severity, before expenses, capital costs and risk margins are added.
Burning cost
Historical losses net of the deductible divided by historical exposure, trended and developed to the future period; the standard starting point for pricing excess layers.
Credibility weighting
Blending an insured's own experience with the class rate using a credibility factor Z: estimate equals Z times own experience plus one minus Z times class rate.
Adverse selection
Situation where insureds know more about their risk than the insurer, so higher-risk risks buy more cover at average rates, worsening the pool and requiring classification or loadings.
Chain-ladder method
Reserving method dividing the latest cumulative paid or incurred claims by cumulative development factors; it assumes past development patterns persist and suits stable, mature portfolios.
Bornhuetter-Ferguson method
Reserving method adding expected ultimate loss ratio times unearned exposure times the proportion not yet reported to claims reported to date; more stable than chain-ladder for immature years.
IBNR
Incurred But Not Reported reserves: provision for claims not yet notified plus development on known claims, estimated from development patterns and expected loss ratios.
Exceedance probability curve
Curve showing the probability that annual catastrophe losses exceed each loss amount; produced by catastrophe models from hazard, vulnerability and financial modules and used for capital and reinsurance decisions.
Quota share reinsurance
Proportional treaty where the cedant cedes a fixed percentage of premium and losses; it reduces volatility and expected profit, and a ceding commission offsets acquisition cost.
Excess of loss reinsurance
Treaty where the reinsurer pays losses above the cedant's retention up to a limit; the cedant's retained loss is capped per occurrence and the price reflects expected loss.
Surplus treaty
Proportional reinsurance ceding the amount by which a risk exceeds the cedant's retention, subject to a line capacity; cession varies by risk size rather than being a flat percentage.
Reinstatement
Provision restoring reinsurance limit after a loss, either free or for an additional premium; the cost or number of reinstatements must be reflected in the layer price.
Contractual service margin
IFRS 17 component representing unearned profit in a group of insurance contracts; it is recognised in profit over the coverage period as services are provided.
Premium allocation approach
Simplified IFRS 17 measurement option for short-duration contracts, allowing a liability for remaining coverage based on unearned premium rather than full fulfilment cash flows.
Accident-year result
Underwriting result attributing all losses from incidents in the year to that year, excluding development on prior years; differs from calendar-year and ultimate bases.
Reserve development
Change in estimated ultimate claims between reporting dates; favourable development releases reserves and flatters the calendar-year result, adverse development strengthens reserves.
Three lines of defence
Governance model where business units own risk, risk and compliance functions oversee and challenge, and internal audit provides independent assurance to the board.
Risk appetite
Board-approved statement of the amount and type of risk the insurer accepts, expressed as quantitative tolerances such as earnings-at-risk or probability of SCR breach plus qualitative limits.
Reverse stress test
Analysis identifying scenarios that would cause business failure or breach of a key tolerance, used to reveal vulnerabilities that conventional stress tests may miss.
Model risk management
Framework of independent validation, documentation, change control and a model inventory with owners, ensuring models are fit for purpose and limitations are understood.
Triangulation
Comparing results from several reserving or pricing methods, such as chain-ladder, Bornhuetter-Ferguson and expected loss ratio, and explaining divergences rather than blindly averaging.
Expert judgement
Documented actuarial adjustment to a model output, with rationale, quantified impact and review date, so that it can be challenged and audited.
Materiality threshold
Level below which an error or assumption change would not alter a decision; it guides the effort spent on modelling and the precision reported to stakeholders.
Actuaries' Code principles
Professional requirements of integrity, competence and care, impartiality, and compliance, applying to all actuarial work including roles outside formal actuarial positions.
Conflict of interest
Situation where personal or employer interests could compromise objective judgement; it must be identified, disclosed and managed, with independence of judgement maintained.
Technical Actuarial Standards
UK standards requiring actuarial work to be proportionate, transparent, comprehensible and documented, including data, assumptions and methods, so users can understand the results.