A cheap policy feels like a win. But when insurers compete mainly on price, premiums can fall below the level needed to pay future claims. This is underpricing, sometimes called a price war, and it is one of the main drivers of the insurance cycle. Understanding it helps you avoid surprises at renewal and choose a carrier that will still be there when you need it.

Soft markets and hard markets

The NAIC glossary defines a soft market as a buyer's market with an abundant supply of insurance driving premiums down, and a hard market as one with high demand and low supply. The two alternate. After profitable years, capital accumulates, new competitors enter and insurers cut rates to win business. Eventually claims catch up, results deteriorate, capacity shrinks and prices rise sharply. Then the cycle starts again.

Where the cycle stands in 2026

Recent data show a market moving from hard to soft:

  • Profits peaked. The NAIC reports that the US P&C combined ratio improved from 102.5% in 2022 to 92.9% in 2025, with an underwriting gain of about $68.7 billion in 2025.
  • Returns above the long-run average. The Swiss Re Institute's sigma report of July 2026 puts global P&C return on equity at 14% in 2025, a cyclical high, compared with an average of 7.1% in 2015–2024 and an estimated cost of capital of 7.5%.
  • Prices falling. Swiss Re cites the Marsh global commercial insurance index: rates fell 5% in the first quarter of 2026, the seventh straight quarterly decline, with commercial property down 9% while casualty was still up 3%.
  • Slower growth ahead. Swiss Re forecasts global P&C premium growth of only 0.6% in real terms in 2026 and says US premiums could even contract by 0.5%, as competition softens rates in most lines. It expects return on equity to fall to 11.4% in 2026 and 7.7% by 2028.
  • Cheaper reinsurance. Aon reports double-digit price reductions for most property reinsurance placements during 2026.

Why underpricing happens

  • Competition for market share. Growth targets push companies to match or beat rivals' prices.
  • Optimistic assumptions. Claims can take years to settle, so a book of business may look profitable before the true cost is known.
  • Abundant capital. Record capital in insurance and reinsurance (Aon puts global reinsurance capital at $800 billion in mid-2026) increases the supply of coverage.
  • Investment income. When yields are attractive, some insurers accept thinner underwriting margins.

The consequences for policyholders

Sharp corrections later. Underpriced business must eventually be repriced. In 2022–2023, US P&C insurers lost money on underwriting, with combined ratios of 102.5% and 101.7%. Insurers then repriced: net premiums written rose from $781.7 billion in 2022 to $976.8 billion in 2025, according to the NAIC, and policyholders absorbed the increases.

Weaker insurers. The NAIC lists poor underwriting, inadequate loss reserves, undercapitalization, reinsurance problems and fraud among the common causes of insurer failures. A company that wins customers with very low prices but under-reserves for claims can end up in receivership.

Limited safety net. If an insurer fails, state guaranty funds pay covered claims only up to statutory limits; for property/casualty claims the most common cap is $300,000. See what happens when an insurer fails.

How regulators guard against underpricing

State insurance departments review rate filings for many lines and monitor solvency. The NAIC's risk-based capital system requires regulators to intervene as capital weakens, and a company whose ratio falls below 70% of the authorized control level must be taken over by the regulator. These tools reduce, but do not eliminate, the risk from aggressive pricing.

How to protect yourself

  1. Compare like with like. A lower price may reflect lower limits, a higher deductible or extra exclusions.
  2. Be wary of outliers. If one quote is far below all others, ask why.
  3. Check financial strength. Prefer insurers with strong ratings, especially for long-term or high-value coverage (see financial strength ratings).
  4. Use soft markets wisely. Falling prices are a good time to improve coverage, lock in multi-year terms where available or raise limits, not only to cut spending.

Polis Re helps you compare offers on coverage as well as price for commercial property, liability, auto and home insurance. Policies are issued by licensed insurers and placed through licensed producers in your state. Request a quote.