Current ARR from customers present 12 months earlier divided by that cohort’s prior ARR. Includes expansion and subtracts contraction and attrition; excludes new customers and current-period overages. NRR TTM averages the retention rates over the trailing 12 months.
Applies the retention calculation with acquired customer ARR included in both comparison periods as if acquired at the start of the prior period; supplements the regular NRR measure.
For the customer cohort present a year earlier, current period-end ARR divided by its prior-year ARR. Customer ARR equals monthly recurring cloud subscription revenue times 12; the comparison uses constant currency.
Current implied monthly subscription/support revenue for the customer base present a year earlier divided by that base’s prior-year amount. Includes terminations and excludes new customers. Implied monthly revenue is minimum contractual subscription/support commitment divided by contract months.
Total ARR annualizes recurring revenue under all active customer contracts at period-end. Retention divides current ARR from customers subscribed at least 12 months by their ARR 12 months earlier, including expansion.
Current ARR of the subscription customer cohort from twelve months earlier divided by that cohort’s prior ARR. Includes renewals, expansion, contraction and churn; excludes incident-response/proactive services and new subscription customers.
Current ARR of accounts present one year earlier divided by their year-earlier ARR, reflecting renewal, expansion, contraction and churn; measured at constant currency.
Current ARR divided by year-earlier ARR for the same paid-customer cohort that had more than $10,000 ARR at the prior measurement date; includes expansion, contraction and churn.
Ending ARR from the customer population present 12 months earlier divided by its entering ARR. Includes upsells, cross-sells, renewals and acquisition-driven expansion, net of contraction and attrition.
Current ARR for the customer cohort from twelve months earlier divided by its prior ARR, including upsells, price changes, user growth, contraction and attrition.
Current Cloud ARR of the cohort from twelve months earlier divided by its prior Cloud ARR; includes cross-sells, upsells, cloud migrations, price changes, contraction and churn.
Current ARR from customers also present at the prior-year period-end divided by ARR of all prior-year customers, including customers that churned or contracted.
Current ARR from the cohort present at the same prior-year date divided by that cohort’s prior ARR. Includes upsell/cross-sell, contraction and churn; excludes new customers.
Current annual contract value of customers from twelve months earlier divided by their prior ACV. Includes upsells, contraction and churn and self-service customers, but excludes new customers.
Current ARR of the paid-customer cohort from 12 months earlier divided by its prior ARR. Includes expansions, downgrades and churn; excludes newly acquired customers.
ARR comprises next-12-month recurring payments expected from active subscriptions and perpetual-license maintenance. Net expansion divides current ARR from the prior-year customer cohort by its prior-year ARR, using current customer orders.
Current ARR for the prior-year active-contract cohort divided by that cohort’s prior ARR, including expansion, contraction and churn. Acquired ARR enters after one year; cohort bands use the prior-year designation.
Ending annual contract value from customers present at the start of the trailing 12 months divided by that cohort’s beginning annual contract value.
Key differences
Measurement / window: Point-in-time NRR; trailing-12-month average also disclosed; Pro forma acquisition-adjusted retention; Point-in-time year-over-year cohort
Customer / product scope: Excludes new customers; Existing-customer cohort; Customers subscribed at least 12 months; Accounts present one year earlier; Prior-year paid-customer cohort with ARR > $10,000; Prior-year customer population; includes acquisition-driven expansion; All prior-year customers including churned / contracted customers; Prior-year active contracts; acquisitions enter after one year; Customers at beginning of trailing 12 months
Compares existing-customer ARR, ACV or implied contract revenue with the same cohort a year earlier.
Current trailing-12-month recurring revenue from existing accounts, including expansion/contraction and excluding new accounts, divided by prior-period recurring revenue using prior-period average FX. Platform-acquisition accounts enter from the second anniversary.
Trailing-four-quarter recognized recurring revenue from the customer base with valid licenses at the prior-year quarter-end divided by that base’s preceding-four-quarter recurring revenue; includes additional sales to those customers. Despite the ARR labels, the stated inputs are recognized recurring revenue.
Trailing-twelve-month subscription revenue for the prior-year subscription-customer cohort divided by that cohort’s prior twelve-month revenue; excludes individual/small-practice and non-recurring customers.
Existing-customer revenue over the latest 12 months, reflecting billing expansion less billing contraction and churn, divided by that cohort’s prior-12-month revenue; smooths usage-based volatility.
For capacity-contract customers present in the first month of a trailing-two-year window, second-year product revenue divided by first-year product revenue. Includes reseller end-customers and retains churned customers at zero; adjusts histories for organizational changes.
Trailing-12-month subscription revenue from the customer cohort existing in the preceding 12 months divided by that cohort’s preceding-12-month subscription revenue. Includes expansion and upsells net of churn; excludes new customers.
Key differences
Customer / product scope: Existing accounts; platform acquisitions enter at second anniversary; Customers with valid licenses at prior-year quarter-end; Excludes small-practice / nonrecurring; Existing-customer cohort; Capacity customers in first month of two-year window; Includes reseller end-customers; churned customers remain at zero; Excludes new customers
Compares trailing-year recognized revenue with prior-year revenue from an existing-customer cohort.
Current-quarter recurring revenue from customers present one year ago divided by their corresponding prior-year-quarter recurring revenue. Uses reported USD revenue including FX and hedge effects; acquisitions generally enter after one year.
Current-quarter annualized revenue from paying customers present four quarters earlier divided by that cohort’s prior annualized revenue. Includes expansion, contraction and attrition; excludes new customers, professional services and free customers upgrading between periods.
Latest-quarter recognized recurring revenue from the prior-year-quarter customer cohort divided by that cohort’s prior-year-quarter revenue, including expansion, contraction and attrition. Annual NDR is the arithmetic mean of quarterly NDRs; specified subdivisions and VAR-managed relationships are grouped as one customer.
Current-quarter revenue from the year-earlier active-account cohort divided by that cohort’s prior-year-quarter revenue; active accounts have at least $5 revenue in the quarter’s last month. Longer periods average quarterly rates, subject to disclosed acquisition and divestiture inclusion timing.
Annualized current-quarter subscription/support revenue from the year-earlier base customers still active, divided by annualized prior-year-quarter revenue from all base customers. Includes upsells, cross-sells and pricing changes.
Key differences
Customer / product scope: Prior-year customers; acquisitions generally enter after one year; Excludes new customers; Prior-year quarterly customer cohort; Active account cohort; see definition for account threshold; Existing-customer cohort
Current-quarter versus prior-year-quarter revenue from an existing-customer cohort.
For each quarter, compares revenue billed to the same BILL AP/AR customer cohort with its prior-year quarter. Aggregates four current and four prior-quarter revenue amounts and divides current by prior; includes upsells, contraction and attrition, excludes new customers and interest on customer funds.
Trailing-12-month billings plus allocated partner revenue from an existing-customer cohort divided by the same cohort’s corresponding prior-year amount. Includes expansion and contraction; excludes customers added after the prior period.
Annualized current billings from the year-earlier customer cohort divided by that cohort’s prior annualized billings, including expansion, contraction and churn. Acquired customers enter after the first full quarter following one year from acquisition.
Current twelve-month invoices for the same prior-year client cohort divided by prior twelve-month invoices; reflects expansion, contraction, pricing, cancellations and discontinued solutions. Covers over 98% of revenue; acquisitions enter in the ninth quarter after acquisition.
Key differences
Customer / product scope: Existing-customer cohort; Excludes new customers; Prior-year cohort covering >98% of revenue; acquisitions enter in ninth quarter
Uses billings or invoiced amounts, with issuer-specific windows and exclusions.
Average of monthly annualized retention calculations over the trailing year using recurring/re-occurring revenue expansion, contraction and cancelled-customer losses relative to prior-year-month revenue. Existing customers generally require 11 months of history; pro forma retention adjusts acquisitions/dispositions.
One plus monthly average net subscription change divided by average beginning/ending monthly recurring subscriptions. Net change excludes ending subscriptions from customers newly added during the period.
Current ARR from the Enterprise cohort present 12 months earlier divided by its prior ARR, including upsells, contraction and attrition. The published trailing-12-month measure averages the expansion rates over that trailing period.
Key differences
Measurement / window: Trailing-year average of annualized monthly retention; 1 + monthly net subscription change ÷ average subscriptions; Trailing-year average of Enterprise expansion rates
Customer / product scope: Existing customers generally require 11 months of history; Prior-year Enterprise customer cohort
Issuer-specific averaging or period constructions; inspect each definition before comparing.
Weighted average of monthly point-in-time retention rates over the trailing twelve months. Each rate compares the same prior-year customer cohort’s current ARR with its prior ARR, including expansion, contraction and attrition and excluding new customers.
Weighted average of trailing-12-month point-in-time retention rates. Each rate divides current ARR of the year-earlier customer cohort by its prior ARR, including expansion and subtracting contraction/attrition, while excluding new customers.
ARR-weighted average of month-end point-in-time retention rates across the trailing 12 months. Each rate compares ARR for the same year-earlier cohort, including expansion, price increases and reactivations, net of contraction and attrition; excludes new customers.
Key differences
Customer / product scope: Existing-customer cohort; Excludes new customers
Weighted average of point-in-time ARR retention over the trailing year; weighting and cohort rules can differ.
Compares contracted ARR for the same last-month customer cohort one year apart, capturing upsells, contraction and attrition, then averages that quarter’s result with the preceding three quarters.
Average of four quarterly retention rates comparing ending subscription ARR from the year-earlier customer cohort with that cohort’s prior ARR, including expansion, contraction and attrition.
Key differences
No differences established in the reviewed attributes. Missing detail does not establish equivalence.
Arithmetic average of four quarterly ARR retention ratios.
Current ARR of the customer cohort from twelve months earlier divided by its prior ARR, including upsells, contraction and attrition. The reported trailing-twelve-month metric is a weighted average of four quarterly calculations.
Weighted average of the trailing four quarterly retention rates. Each compares current ARR with year-earlier ARR for the same subscription-customer cohort, including expansion, contraction and churn.
Key differences
No differences established in the reviewed attributes. Missing detail does not establish equivalence.
Weighted average of four quarterly ARR retention ratios.
Average of trailing-12-month monthly ratios: current revenue from the prior-year customer cohort divided by that cohort’s prior-year revenue. Reported on both subscription-only and subscription-plus-telecom bases; both are considered recurring.
Key differences
No differences established in the reviewed attributes. Missing detail does not establish equivalence.
Average of four quarterly retention ratios. Each ratio compares quarterly revenue from customers also generating revenue in the year-earlier quarter with that same cohort’s prior-year revenue. Includes upsells, contraction and attrition; excludes new customers.
Key differences
No differences established in the reviewed attributes. Missing detail does not establish equivalence.
Calendar-year revenue from customers implemented by the prior December 31 divided by the prior-year revenue of that cohort. Excludes current-year acquired customers/products; subscription NRR uses subscription revenue only. Prior-year implementation timing affects the ratio.
Key differences
No differences established in the reviewed attributes. Missing detail does not establish equivalence.
Measures a calendar-year cohort of implemented customers.
