Key Highlights

  • Arch Capital (NASDAQ:ACGL) reports after the close on Tuesday, October 27, 2026, with consensus earnings of USD 2.30 per share, USD 0.26 below second-quarter operating income, and a combined ratio of 83.5% last quarter.
  • RenaissanceRe (NYSE:RNR) reports after the close the same day, with consensus of USD 10.41 per share against operating earnings of USD 12.92 in the second quarter, when its combined ratio was 72.8%.
  • Slide Insurance (NASDAQ:SLDE) reports after the close, with consensus earnings of USD 0.84 per share, net income guidance of USD 455 million to USD 470 million and a second-quarter combined ratio of 57.6%.
  • The third quarter holds the peak of the Atlantic hurricane season, so catastrophe losses, softer property pricing and reinsurance costs decide how far each result lands from consensus.

Arch Capital (NASDAQ:ACGL): shrinking premiums into softer pricing

Arch Capital (NASDAQ:ACGL) is a Bermuda-based insurer, reinsurer and mortgage insurer, and it reports third-quarter results after the close on Tuesday, October 27, 2026. Consensus earnings are USD 2.30 per share, which compares with after-tax operating income of USD 2.56 per share in the second quarter, reported on Tuesday, July 28, 2026. The combined ratio, which measures claims and expenses as a share of premiums so that anything below 100% is an underwriting profit, was 83.5%, or 82.5% excluding catastrophes and prior-year reserve movements. The company gives no numerical earnings guidance. Results cannot be known in advance.

Net premiums written fell about 6.9% in the second quarter by simple arithmetic on the reported figures, to USD 4,049 million from USD 4,348 million, which suggests the company is shrinking lines where prices have softened. Favourable prior-year reserve development of USD 165 million supported the result, but it can reverse. Catastrophe losses were USD 201 million, which sets a reference for the third quarter. Share repurchases of about USD 1.2 billion lifted book value per share to USD 68.04, up 2.8% in the quarter, and they remain a direct support for per-share earnings.

The bull case is a combined ratio near the low 80s, continued reserve releases and steady buybacks, which would reassure investors about returns despite softer property pricing. The bear case is larger catastrophe losses, a combined ratio above 85%, a further fall in premiums or adverse reserve development in longer-tail casualty lines.

RenaissanceRe (NYSE:RNR): a lower bar built on seasonality

RenaissanceRe Holdings Ltd. (NYSE:RNR) is a Bermuda-based reinsurer and insurer of catastrophe risk, and it reports third-quarter results after the close on Tuesday, October 27, 2026. Consensus operating earnings are USD 10.41 per share. In the second quarter, reported on Wednesday, July 22, 2026, it reported operating income of USD 547.8 million, or USD 12.92 per diluted share, net income of USD 15.48 per diluted share and a combined ratio of 72.8%, with the Property segment at 27.1%. Book value per share rose 5.7% to USD 264.77. The call follows at 11:00 a.m. ET on Wednesday, October 28, 2026.

The third quarter holds most of the North Atlantic hurricane season, so RenaissanceRe usually books its largest catastrophe loss estimates in this period. The gap of USD 2.51 per share between the consensus and the second quarter, by simple arithmetic, allows for that seasonality, and the outcome depends on whether industry losses were mild or severe. Reinsurance rates for property catastrophe cover have been easing after several firm years, which lowers premium growth but supports retention of attractive business. Investment income is the third driver, because the portfolio reinvests at higher yields after the Federal Reserve raised rates to a range of 3.75% to 4.00% on Wednesday, September 16, 2026.

The bull case is a combined ratio comfortably below 85%, book value growth beyond 5.7% and strong net investment income, so a clean quarter could beat by a wide margin. The bear case is a large catastrophe event that pushes the combined ratio towards 90% or higher, softer pricing at the January renewals or a reserve charge on casualty lines, which could trigger a sharp share price drop.

Slide Insurance (NASDAQ:SLDE): Florida homeowners in peak storm season

Slide Insurance Holdings (NASDAQ:SLDE) is a Florida-focused homeowners insurer, and it reports third-quarter results after the close on Tuesday, October 27, 2026. Consensus earnings are USD 0.84 per share. The second-quarter release of Tuesday, July 28, 2026 showed diluted earnings of USD 1.06 per share against USD 0.56 a year earlier, with gross premiums written up 16.7% to USD 508.0 million. The combined ratio improved 980 basis points to 57.6%. Management reiterated 2026 guidance of USD 1.85 billion to USD 1.95 billion of gross written premiums and net income of USD 455 million to USD 470 million.

Slide earns most of its profit when few storms make landfall, because claims are concentrated in a small number of events. The USD 0.84 estimate sits below the USD 1.06 earned in the second quarter, which already allows for seasonal claims, although it may rest on a different basis. Ceded premiums earned for reinsurance rose to USD 125.5 million from USD 94.8 million, and the company repurchased 2,997,980 shares at a weighted average of USD 17.95, with USD 114.1 million of authorisation left.

The bull case is earnings above USD 0.84 and confirmation of the net income range, which would likely support the shares. The bear case is storm-related claims, premium growth below the 16.7% of the second quarter or higher reinsurance costs, which would probably prompt a sharp decline.

Where Things Stand

The answer is that all three must show that catastrophe losses and softer pricing left margins intact, but the bar differs by business. Arch Capital (NASDAQ:ACGL) reports against a USD 2.30 consensus below its second-quarter result, leaving room for a beat if losses stay contained, while premium trends matter more than the quarter. RenaissanceRe (NYSE:RNR) can top USD 10.41 if industry losses were mild, with book value growth setting the reaction. Slide Insurance (NASDAQ:SLDE) needs its margins to survive peak storm season and its guidance range to hold.

The next catalysts are the three releases after the close on Tuesday, October 27, 2026, the RenaissanceRe call on Wednesday, October 28, 2026, the Federal Reserve decision on Wednesday, October 28, 2026 and the January 2027 reinsurance renewals. Catastrophe losses cannot be forecast, consensus figures are estimates, not guarantees, and this is not investment advice.