Closing ARR
The annualized value of all active recurring subscriptions at the end of a period.
◆ Currency
Formula
Built from
What it measures
The sum of every active recurring subscription's normalized monthly value, multiplied by 12, evaluated on the final day of a reporting period. Each contract's ARR is calculated as Total Contract Value (TCV) divided by contract term in months, then annualized; the company total is the sum across all live contracts as of period-end. One-time setup fees, professional services, and usage overages are excluded.
Why it matters
Closing ARR is the moment-in-time foundation metric for subscription businesses. It answers: what is our total recurring run-rate right now? Teams use closing ARR to track month-to-month progress, forecast cash, plan headcount and spend, and benchmark against peers. Investors value closing ARR because it normalizes subscriptions to an annual scale and reveals the true recurring revenue engine beneath different billing cadences and contract lengths.
How to read it
Read closing ARR as your snapshot of business scale at period-end. Compare closing ARR to opening ARR to measure net growth; compare to plan and prior-year closing to track trajectory. Closing ARR answers the question "if nothing changes, what will we recognize in annual recurring revenue?" — but always drill into components (new, churn, upsell, downsell) to diagnose *why* it moved. Two companies with identical closing ARR can have wildly different health: one growing via expansion with churn below 5%, the other losing customers but replacing them with pricier ones. Always pair closing ARR with net revenue retention and customer churn to understand quality of growth.
What good looks like
Good
Closing ARR increases month-over-month, driven by new customer acquisition and expansion revenue outpacing downgrades and churn.
Watch
Closing ARR growth is slowing, flat, or dependent on a handful of large accounts; churn is rising or expansion is declining.
Bad
Closing ARR is declining; churn and downgrades are outpacing new and upsell revenue.
Watch-outs
- Forgetting to annualize. MRR × 12 = ARR. If you normalize by dividing TCV by term in months but forget to multiply by 12, you've left off a full order of magnitude and your closing ARR is understated by 12×.
- Including non-recurring or one-time revenue. Setup fees, implementation services, usage overages, and price hikes don't recur — folding them into closing ARR inflates it and breaks month-to-month comparability.
- Backdating or double-counting mid-period changes. If a customer upgrades mid-month, record only the incremental ARR from the effective date forward, not a full month of both old and new; if a contract renews mid-period, don't count it twice.
- Ignoring closing ARR quality. A company with $1M closing ARR and 3 customers is far riskier than one with 300 — always pair closing ARR with customer count, concentration, and net revenue retention to measure health.
Worked example
Hypothetical
Open January at $100K ARR. You sign $12K of new contracts (on monthly terms), existing customers upgrade by $4K annualized, one downgrades by $2K, and you lose $3K to churn. Closing ARR for January is $111K. If you started February at $111K ARR and added $5K new and lost $1K to churn with no expansion, February closing ARR would be $115K.