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Glossary
Negative Churn
Negative churn is a revenue condition where an existing customer cohort's expansion and reactivation revenue exceeds what that same cohort loses to cancellations and downgrades over a period. Net revenue churn comes out below zero, so the book grows on its own without a single new customer.
Key Takeaways
Negative churn is an outcome of four movements, not a target: expansion plus reactivation has to clear contraction plus churn on one cohort, in one period.
On a $245,000 opening book, gains of $13,500 against losses of $12,600 produce net MRR churn of -0.37%. The crossover sits at $12,600, and one more $1,000 cancellation flips the month positive.
GitLab reported a Dollar-Based Net Retention Rate of 117% for the quarter ended 31 July 2026. Asana reported 97% for the same quarter, so its expansion never caught its losses.
ChartMogul's platform data puts 40% of $15M to $30M ARR businesses at net negative churn, so it's a minority condition.
Customer counts can't go negative. A book can shed logos monthly and still report negative churn, because the arithmetic runs on dollars.
What has to be true for a book to hit negative churn?
One inequality has to hold: expansion plus reactivation must exceed contraction plus churn, on a cohort fixed at period start. Here's a March cohort of 52 accounts opening at $245,000 of MRR.
Movement | Accounts | MRR |
|---|---|---|
Expansion, seat growth | 12 | +$5,900 |
Expansion, tier upgrades | 4 | +$4,400 |
Expansion, usage above included allowance | 7 | +$1,750 |
Reactivation | 1 | +$1,450 |
Contraction, downgrades and seat cuts | 6 | -$5,200 |
Churn, cancellations | 4 | -$7,400 |
Net movement | +$900 |
Gains of $13,500 against losses of $12,600 put net MRR churn at -$900 / $245,000, or -0.37%. The crossover is the losses figure: at exactly $12,600 of gains the month lands on zero, and the $900 above it is the entire negative churn.
The inequality carries assumptions worth stating:
New logos signed during the period stay out of both sides.
Only recurring revenue counts, so services and one-off charges stay out.
Reactivation sits on the gains side, not netted against churn.
How do you tell whether you actually have negative churn?
Run the four movements separately and check the cohort never moved. Most reported negative churn is a cohort error: a new customer in the numerator inflates gains without touching the denominator. What separates a real reading from a manufactured one:
Logo churn tells you nothing here. Churn rate counts accounts and floors at zero, so it can point the opposite way.
Gross retention is the sanity check. If gross revenue retention drops while net churn stays negative, a few expanding accounts are covering a widening hole.
One month proves little. A single large upgrade can carry it. Run twelve trailing months before calling the condition structural.
Published numbers show both sides. GitLab's 117% net retention for Q2 FY2027 is a book in negative churn. Asana reported 97% for the same quarter.
Which pricing models reach negative churn and which cannot?
Pricing decides whether a book has an expansion mechanism at all, and a model with no growth path inside the account can't reach negative churn however happy its customers.
Pricing model | Expansion mechanism | Can it reach negative churn? |
|---|---|---|
Single flat-fee plan | None inside the account | No, the ceiling is 100% retention |
Per-seat | Seat additions, tier moves | Yes, capped by headcount growth |
Consumption-based | Usage rising with no sales touch | Yes, with no renewal event needed |
Credit or prepaid | Larger top-ups, faster burn | Yes, though timing is lumpy |
Hybrid platform fee plus usage | Both levers at once | Yes, the most reliable structure |
Contract size predicts the outcome more than model choice does. SaaS Capital's survey of private B2B companies puts median NRR at 102% in the $25,000 to $50,000 ACV band, top quartile 111%, bottom quartile 97%. A median book is barely in negative churn and a bottom-quartile one isn't close, so it's a pricing question first: expansion MRR needs somewhere to come from.
Related terms
Four movements feed the calculation, and these pages cover them one at a time:
Net revenue retention reports this condition as a rate above 100% rather than a figure below zero.
Expansion MRR is the gains side, and the lever pricing can be built around.
Contraction MRR covers revenue retained customers stop paying, the loss most books underestimate.
Revenue churn is the same measurement without expansion netted in, so it never goes below zero.
Churn rate counts logos instead of dollars, a different question.
FAQ
Is negative churn the same as net revenue retention above 100%?
Yes, they describe one condition in two directions. Both come from the same four movements on the same cohort. Finance teams and public filers report the retention rate, while product and growth teams talk about negative churn.
Can a company lose customers every month and still have negative churn?
Yes, and it's common in books with a wide ACV spread. Cancellations among small accounts cost little revenue, so a few expanding enterprise accounts outweigh them. The logo count falls while the dollar measure stays negative, which is why both get reported.
What counts as a good negative churn rate?
Judge it against a peer band, because the bar is lower than the "holy grail" framing suggests. SaaS Capital puts median NRR near 102% for $25,000 to $50,000 ACV companies, roughly -2% annual net churn, and the top quartile at 111%. ChartMogul found 40% of $15M to $30M ARR businesses reach it at all.
Does negative churn mean a company can stop selling?
No. Negative churn means the existing book grows without new logos, not that the growth is enough. A book at -2% net churn compounds slowly, and it leans on a small set of accounts that can contract in any period.
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