The gross leverage ratio is a simple, first‑pass measure of an insurer’s exposure to underwriting obligations and to the possibility that its reinsurance protection might fail. It sums (expressed relative to policyholders’ surplus) the insurer’s written business and outstanding liabilities—including the portion ceded to reinsurers—so it represents a worst‑case exposure if reinsurance were not available.
Source: Investopedia, “Gross Leverage Ratio” (Julie Bang).
KEY CONCEPTS
Definition and formula
– Gross leverage ratio = net premiums written ratio + net liability ratio + ceded reinsurance ratio.
– Equivalently:
• Gross leverage = (net premiums written + net liabilities + ceded reinsurance) / policyholders’ surplus
• Because net premiums written + ceded reinsurance = premiums written, an alternate form is:
Gross leverage = (premiums written + net liabilities) / policyholders’ surplus
What the components typically mean
– Premiums written: total (gross) premiums the insurer has written in a period.
– Net premiums written: premiums retained after ceding a portion to reinsurers.
– Ceded reinsurance: premiums or amounts transferred to reinsurers (and, by extension, the portion of risk placed off the insurer’s balance sheet).
– Net liabilities: insurer’s outstanding obligations (e.g., loss reserves and other liabilities) measured net of reinsurance recoverables.
– Policyholders’ surplus: insurer’s statutory capital and surplus (the equity cushion available to pay claims).
Why it matters
– The ratio is a quick measure of how heavily an insurer has leveraged its surplus against the volume of business and liabilities it is carrying.
– It is intentionally conservative because it treats ceded reinsurance as if it might not be available (i.e., the reinsurer could default).
– Credit rating agencies and analysts look at gross leverage alongside other measures (net leverage, reinsurance recoverables to surplus, Best’s Capital Adequacy Ratio/BCAR) to judge financial strength.
Typical benchmarks
– Desired gross leverage ranges vary by line:
• Property insurers: commonly below ~5.0
• Liability insurers: commonly below ~7.0
– These are rough targets; acceptable levels depend on business mix, reinsurance quality, and the insurer’s risk appetite.
Simple numerical example
– premiums written = 500 million
– net liabilities = 300 million
– policyholders’ surplus = 200 million
Gross leverage = (500 + 300) / 200 = 800 / 200 = 4.0
– Interpretation: a gross leverage of 4.0 would be within the typical target for a property insurer (<5.0) but must be considered with other metrics.
Limitations and caveats
– Overestimation of exposure: Because ceded reinsurance is included, gross leverage can overstate true retained exposure if reinsurance is reliable.
– Reinsurance counterparty risk: Reinsurers can fail; gross leverage deliberately captures that possibility, which is why it’s useful for stress or “what if” scenarios.
– Data quality: Calculation requires reliable figures for premiums written, net liabilities and surplus—statutory filings are the usual source.
– Not a standalone measure: Analysts should also compute net leverage (excludes ceded reinsurance), examine reinsurance recoverables to surplus, and use capital adequacy models (e.g., BCAR).
Gross Leverage vs. Net Leverage
– Gross leverage includes ceded reinsurance as part of the exposure; net leverage excludes ceded reinsurance.
– Net leverage = (net premiums written + net liabilities) / policyholders’ surplus
– Net leverage typically gives a better estimate of retained exposure, but requires confidence in reinsurance effectiveness and recoverability.
Practical steps for analysts and insurers
1) Gather required data
– Source: statutory financial statements (annual/quarterly filings). Look for:
• Premiums written (gross) and premiums ceded (to compute net premiums written)
• Net liabilities or loss reserves (net of reinsurance recoverables)
• Policyholders’ surplus (statutory capital and surplus)
2) Compute both gross and net leverage
– Gross leverage = (premiums written + net liabilities) / policyholders’ surplus
– Net leverage = (net premiums written + net liabilities) / policyholders’ surplus
3) Benchmark and trend
– Compare to industry peers, historical levels for the same company, and line‑of‑business targets (e.g., <5.0 property, <7.0 liability).
– Evaluate trends—rising leverage can signal rapid growth, underpricing, or weakening surplus.
4) Assess reinsurance quality
– Check reinsurer credit ratings, concentration of reinsurance counterparties, collateral arrangements, and terms (e.g., reinstatement provisions).
– Calculate reinsurance recoverables to surplus and stress test reinsurer defaults to see impact on net liabilities and surplus.
5) Perform sensitivity and stress testing
– Simulate scenarios: reinsurer default, catastrophe losses, reserve deterioration, or capital shocks.
– Recompute leverage metrics under each scenario to estimate capital shortfalls.
6) Consider remedial or strategic actions if leverage is high
– Raise capital: equity issuance or subordinated debt that counts as surplus.
– Reduce writings: limit new business or scale back lines with adverse risk/return.
– Reprice: increase premiums to improve underwriting margins and reduce future written volume growth.
– Improve risk transfer: buy reinsurance that reduces net liabilities—but note gross leverage will not necessarily fall because ceded reinsurance is included in gross calculations.
– Reduce liabilities: strengthen claims management and reserving practices to avoid reserve deterioration.
7) Use complementary metrics
– Examine BCAR or other capital adequacy models.
– Monitor reinsurance recoverables to surplus and credit quality of reinsurers.
– Review liquidity metrics and investment portfolio risk.
How an insurer might set targets
– Insurers typically set internal targets for acceptable gross and net leverage depending on their business mix and risk tolerance.
– Targets should be calibrated to reinsurance strategy and counterparty strength (e.g., more conservative if reinsurers are concentrated or lower rated).
Key takeaways (practical summary)
– Gross leverage is a conservative, easy‑to‑compute measure of insurer exposure: (premiums written + net liabilities) / policyholders’ surplus.
– It intentionally treats reinsurance as potentially unavailable, so it can overstate retained exposure.
– Compute both gross and net leverage, assess reinsurance quality, benchmark to peers, run stress tests, and take corrective action (raise capital, reduce writings, reprice) if leverage is excessive.
– Use gross leverage alongside other measures (net leverage, reinsurance recoverables/stress tests, BCAR) for a fuller view of financial strength.
Reference
– Investopedia, “Gross Leverage Ratio” by Julie Bang.
– Walk through a worked example using your firm’s numbers, or
– Provide a spreadsheet template that computes gross and net leverage and runs scenario stress tests.