Risk Analysis Services Minimum Data Requirements
To produce Risk Analysis Services RiskMap® analyses, we require sufficient historical loss and exposure data to identify patterns, measure development, and support credible forecasting.
Minimum Loss History
- At least 4 years of loss data, with 10 or more claims per year
(preferably in Excel format, preferably unsorted with no subtotals) - 5 or more years preferred (ideally 6–10 years)
- Works with up to 14 years of historical data
Loss Data Requirements
(Unlimited Total Incurred)
Claims / Loss Run Data
Minimum 4 years of claims data, showing at least:
- Type of Coverage*
- Occurrence Date
- Total Incurred Loss Amount
Successive Annual Valuations of Each Loss Year’s Claims
(Required for Loss Development)
For each incurred loss year, provide:
- Occurrence Date
- Total Incurred Loss Amount
- Coverage (if more than one)
Note: Successive annual valuations are required to analyze loss development trends.
Exposure Data Requirements
Provide annual historical exposure data corresponding to the loss years, plus estimated or budgeted exposure datafor:
- The current year
- The following year
Examples of Exposure Data by Coverage Type
Workers’ Compensation
- Number of employees
- Payroll
General Liability
- Sales or revenue
Auto Liability
- Number of vehicles
- Miles driven
Medical Insurance
- Census
- Number of members
- Age groups
- Gender
Property
- Property listings by assessed and replacement values
- Construction type and square footage
- HPR status
- Earthquake protection level
Business Interruption (BI) Exposure
- Historical and projected revenues and net income
- Primary and secondary use per property
- Primary and secondary tenants
Required vs. Helpful Data Fields
Required Fields
- Type of Coverage*
- Occurrence Date
- Total Incurred Losses
Helpful (but Not Required)
- Report Date (extremely helpful)
- Location
- Nature of Injury
- Peril or Cause of Loss
In addition, current and 2–4+ years of prior premium data is requested when available.
Important Notes
- If more than one coverage applies, include coverage identifiers.
- Loss Forecasting requires at least 4 years of data (maximum 14), with or without successive annual valuations.
- Loss Development analysis requires successive annual valuations of incurred losses.
Legal & Trademark Notice
RiskMap® is an exclusive service of Risk Analysis Services, LLC.
© Cantor & Company 1987–2026 — All Rights Reserved.
RiskMap® is a registered trademark of Cantor & Company.




