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PUBLIC DATA DEFINITIONS

Root KPI & segment coverage

Operating KPI and segment definitions available for Root (ROOT) through the VizualStocks API.

ROOT23 metric seriesCatalog checked 2026-10-28

Active metrics 23

SEGMENT

Assumed Premiums Earned

Premium from policies written through another insurer and reinsured by Root that became earned as coverage was provided during the period. This primarily includes Texas auto policies routed through a fronting carrier for which Root assumes 100% of the related premium and losses.

assumedPremiumsEarned
Frequency
quarterly / annual
Reported history
Q3'21 — Q2'26
History endpoint
SEGMENT

Assumed Premiums Written

Premium on auto policies written through another insurer and reinsured by Root during the period. This primarily reflects Texas policies routed through a fronting carrier for which Root assumes 100% of the premium and losses.

assumedPremiumsWritten
Frequency
quarterly / annual
Reported history
Q3'21 — Q2'26
History endpoint
SEGMENT

Ceded Premiums Earned

The earned portion of Root's gross premiums transferred to third-party reinsurers for risk protection during the period. It is presented as a deduction: gross premiums earned plus the negative ceded amount equals net premiums earned.

cededPremiumsEarned
Frequency
quarterly / annual
Reported history
Q1'20 — Q2'26
History endpoint
SEGMENT

Ceded Premiums Written

The portion of gross premiums written that Root transferred to third-party reinsurers during the period. It is presented as a deduction from gross written premium and changes with Root's use of quota-share and other reinsurance structures.

cededPremiumsWritten
Frequency
quarterly / annual
Reported history
Q1'20 — Q2'26
History endpoint
SEGMENT

Direct Premiums Earned

Premium from auto policies issued directly by Root's insurance carriers that became earned as coverage was provided during the period. Root generally earns auto premium pro rata over a six-month policy term.

directPremiumsEarned
Frequency
quarterly / annual
Reported history
Q1'19 — Q2'26
History endpoint
SEGMENT

Direct Premiums Written

Premium on auto policies bound directly by Root's insurance carriers during the period, net of the prorated effect of policy cancellations. Together with assumed written premium, it forms gross premiums written before reinsurance cessions.

directPremiumsWritten
Frequency
quarterly / annual
Reported history
Q1'19 — Q2'26
History endpoint
SEGMENT

Fee And Other Segment Income

Combined revenue from Root's policyholder fees and Other income. It includes installment, policy and late-payment fees plus revenue from distributing insurance-shopping leads in states where Root does not write policies.

feeAndOtherSegmentIncome
Frequency
quarterly / annual
Reported history
Q1'19 — Q1'26
History endpoint
SEGMENT

Fee Income

Revenue from flat installment-processing fees, policy fees that reimburse part of underwriting costs and late-payment fees charged to Root policyholders. Installment and late fees are recognized when processed, while policy fees are recognized over the coverage period.

feeIncome
Frequency
quarterly / annual
Reported history
Q4'21 — Q2'26
History endpoint
COMPANY KPI

Gross Combined Ratio

Root's gross loss ratio plus gross loss-adjustment-expense ratio and gross expense ratio, measuring underwriting performance before reinsurance. A result below 100% indicates a gross underwriting profit; above 100% indicates a gross underwriting loss.

grossCombinedRatio
Frequency
quarterly / annual
Reported history
Q1'22 — Q2'26
History endpoint
COMPANY KPI

Gross Expense Ratio

Root's gross operating expenses excluding losses, loss-adjustment expenses and fee income, divided by gross premiums earned. It measures the insurer's expense base before the effects of reinsurance.

grossExpenseRatio
Frequency
quarterly / annual
Reported history
Q1'22 — Q2'26
History endpoint
COMPANY KPI

Gross Loss Adjustment Expense Ratio

Gross costs to investigate, adjust and settle claims divided by gross premiums earned. It is measured before reinsurance and is separate from Root's gross loss ratio, which excludes loss-adjustment expense.

grossLossAdjustmentExpenseRatio
Frequency
quarterly / annual
Reported history
Q1'19 — Q2'26
History endpoint
COMPANY KPI

Gross Loss Ratio

Gross insurance losses divided by gross premiums earned before reinsurance. Root excludes loss-adjustment expenses from this ratio and reports those costs separately in the gross LAE ratio.

grossLossRatio
Frequency
quarterly / annual
Reported history
Q1'19 — Q2'26
History endpoint
COMPANY KPI

Net Combined Ratio

Insurance loss ratio plus expense ratio for the period; a result below 100% indicates an underwriting profit before investment income.

netCombinedRatio
Frequency
quarterly / annual
Reported history
Q1'22 — Q2'26
History endpoint
COMPANY KPI

Net Expense Ratio

Root's operating expenses excluding loss and loss-adjustment expense and fee income, divided by net premiums earned. This is the expense component of the net combined ratio after reinsurance.

netExpenseRatio
Frequency
quarterly / annual
Reported history
Q1'22 — Q2'26
History endpoint
SEGMENT

Net Investment Income

Interest and investment returns from Root's cash, restricted cash, fixed-maturity securities and short-term investments, net of portfolio-management expenses. The line can also include impairments on tax-credit and private-equity investments, so it is not simply interest revenue.

netInvestmentIncome
Frequency
quarterly / annual
Reported history
Q1'19 — Q2'26
History endpoint
COMPANY KPI

Net Loss And Loss Adjustment Expense Ratio

Insurance losses and loss-adjustment expenses incurred during the period divided by earned premiums.

netLossAndLossAdjustmentExpenseRatio
Frequency
quarterly / annual
Reported history
Q1'22 — Q2'26
History endpoint
SEGMENT

Net Premiums Earned

Insurance premium revenue earned from the insurance portfolio after ceded reinsurance during the period.

netPremiumsEarned
Frequency
quarterly / annual
Reported history
Q1'19 — Q2'26
History endpoint
SEGMENT

Net Realized Gains On Investments

Difference between the proceeds Root receives when selling investments and those investments' amortized cost basis, net across gains and losses. This is realized investment income, not unrealized changes in the market value of securities still held.

netRealizedGainsOnInvestments
Frequency
quarterly / annual
Reported history
Q2'20 — Q1'26
History endpoint
SEGMENT

Other Segment Income

Revenue Root earns by distributing website and mobile-app insurance inquiry leads in geographic markets where it does not write policies. Revenue is recognized when Root generates the lead.

otherSegmentIncome
Frequency
quarterly / annual
Reported history
Q4'21 — Q2'26
History endpoint
COMPANY KPI

Policies In Force

Number of current, active auto-insurance policyholders underwritten by Root at period end. Growth and retention in this population drive premium revenue and add driving and claims data that can improve Root's pricing models.

policiesInForce
Frequency
quarterly / annual
Reported history
Q1'19 — Q2'26
History endpoint
COMPANY KPI

Premiums In Force

Root's estimate of annualized gross written premium run rate, calculated as premiums per policy multiplied by policies in force and then doubled because its auto policies generally cover six months. It measures portfolio size at period end, not a forecast of revenue for the next year.

premiumsInForce
Frequency
quarterly / annual
Reported history
Q1'19 — Q2'26
History endpoint
COMPANY KPI

Premiums Per Policy

Gross written premium on auto policies in force at period end divided by policies in force. Because higher premium per policy generally produces more earned premium, the metric captures changes in pricing and customer mix as well as coverage levels.

premiumsPerPolicy
Frequency
quarterly / annual
Reported history
Q1'19 — Q2'26
History endpoint
COMPANY KPI

Renewal Premium As Percent Of Gross Premiums Earned

Renewal premium divided by gross premiums earned, expressed as a percentage for the period.

renewalPremiumAsPercentOfGrossPremiumsEarned
Frequency
quarterly / annual
Reported history
Q3'24 — Q1'26
History endpoint