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📋 '''Basis points (bps)''' are a standard unit of measurement in the insurance and financial services industries, where one basis point equals one-hundredth of a percentage point (0.01%). Insurance professionals use basis points to express precise changes or differences in [[Definition:Loss ratio | loss ratios]], [[Definition:Combined ratio | combined ratios]], [[Definition:Investment yield | investment yields]], [[Definition:Credit spread | credit spreads]], and pricing margins — contexts in which even small percentage movements can translate into significant financial impact. Saying that an insurer's combined ratio improved by 150 basis points is both more precise and less ambiguous than saying it improved by "one and a half percent," which could be misread as a relative rather than absolute change.

⚙️ In day-to-day insurance operations, basis points surface across virtually every quantitative conversation. [[Definition:Underwriting | Underwriting]] teams track rate changes in basis-point terms when discussing [[Definition:Rate adequacy | rate adequacy]] or [[Definition:Pricing | pricing]] adjustments cycle by cycle. Investment departments managing insurer [[Definition:Investment portfolio | general account portfolios]] quote bond yields, asset-liability duration mismatches, and [[Definition:Corporate spread | corporate spreads]] in basis points. On the [[Definition:Reinsurance | reinsurance]] side, shifts in [[Definition:Ceding commission | ceding commissions]] or [[Definition:Risk margin | risk margins]] are frequently negotiated and reported in basis-point increments. Regulators and [[Definition:Rating agency | rating agencies]] also rely on the measure: a [[Definition:Solvency ratio | solvency ratio]] moving from 195% to 205% is a 1,000-basis-point increase, and stating it that way avoids the confusion inherent in mixing percentages of percentages.

💡 Precision matters enormously in an industry where large sums of capital back long-duration promises. A 50-basis-point deterioration in a [[Definition:Life insurance | life insurer's]] reinvestment yield across a multi-billion-dollar portfolio can erode hundreds of millions in expected future income. Similarly, a 200-basis-point swing in a [[Definition:Property and casualty insurance | property-casualty]] book's attritional loss ratio may determine whether a line of business meets or misses its [[Definition:Return on equity (ROE) | return-on-equity]] target. Because basis points eliminate the ambiguity that plain percentages can introduce — particularly when discussing changes in metrics that are themselves expressed as percentages — they have become the lingua franca of insurance financial communication, from boardroom strategy reviews to [[Definition:Investor relations | investor presentations]] and [[Definition:Regulatory filing | regulatory filings]].

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Combined ratio]]
* [[Definition:Loss ratio]]
* [[Definition:Credit spread]]
* [[Definition:Investment yield]]
* [[Definition:Rate adequacy]]
* [[Definition:Solvency ratio]]
{{Div col end}}

Definition:Basis points (bps) - Revision history

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