diff --git a/core/src/main/resources/google/registry/reporting/icann/sql/cloud_sql_transaction_counts.sql b/core/src/main/resources/google/registry/reporting/icann/sql/cloud_sql_transaction_counts.sql
index 1e64be742..006398a77 100644
--- a/core/src/main/resources/google/registry/reporting/icann/sql/cloud_sql_transaction_counts.sql
+++ b/core/src/main/resources/google/registry/reporting/icann/sql/cloud_sql_transaction_counts.sql
@@ -47,7 +47,16 @@ FROM (
             END AS clientId,
             tld,
             report_field AS field,
-            report_amount AS amount,
+            -- See b/290228682, there are edge cases in which the net_renew would be negative when
+            -- a domain is cancelled by superusers during renew grace period. The correct thing
+            -- to do is attribute the cancellation to the owning registrar, but that would require
+            -- changing the owing registrar of the the corresponding cancellation DomainHistory,
+            -- which has cascading effects that we don't want to deal with. As such we simply
+            -- floor the number here to zero to prevent any negative value from appearing, which
+            -- should have negligible impact as the edge cage happens very rarely, more specifically
+            -- when a cancellation happens during grace period by a registrar other than the the
+            -- owning one. All the numbers here should be positive to pass ICANN validation.
+            MAX(report_amount, 0) AS amount,
             reporting_time AS reportingTime
             FROM EXTERNAL_QUERY("projects/%PROJECT_ID%/locations/us/connections/%PROJECT_ID%-sql",
             ''' SELECT history_type, history_other_registrar_id, history_registrar_id, domain_repo_id, history_revision_id FROM "DomainHistory";''') AS dh
diff --git a/core/src/test/java/google/registry/reporting/icann/ActivityReportingQueryBuilderTest.java b/core/src/test/java/google/registry/reporting/icann/ActivityReportingQueryBuilderTest.java
index 015f8bdfa..386c3e495 100644
--- a/core/src/test/java/google/registry/reporting/icann/ActivityReportingQueryBuilderTest.java
+++ b/core/src/test/java/google/registry/reporting/icann/ActivityReportingQueryBuilderTest.java
@@ -45,7 +45,7 @@ class ActivityReportingQueryBuilderTest {
   }
 
   @Test
-  void testIntermediaryQueryMatch_cloud_sql() {
+  void testIntermediaryQueryMatch_cloudSql() {
     ImmutableList<String> expectedQueryNames =
         ImmutableList.of(
             ActivityReportingQueryBuilder.REGISTRAR_OPERATING_STATUS,
diff --git a/core/src/test/resources/google/registry/reporting/icann/transaction_counts_test_cloud_sql.sql b/core/src/test/resources/google/registry/reporting/icann/transaction_counts_test_cloud_sql.sql
index 78460eeaf..cf0db80e4 100644
--- a/core/src/test/resources/google/registry/reporting/icann/transaction_counts_test_cloud_sql.sql
+++ b/core/src/test/resources/google/registry/reporting/icann/transaction_counts_test_cloud_sql.sql
@@ -47,7 +47,16 @@ FROM (
             END AS clientId,
             tld,
             report_field AS field,
-            report_amount AS amount,
+            -- See b/290228682, there are edge cases in which the net_renew would be negative when
+            -- a domain is cancelled by superusers during renew grace period. The correct thing
+            -- to do is attribute the cancellation to the owning registrar, but that would require
+            -- changing the owing registrar of the the corresponding cancellation DomainHistory,
+            -- which has cascading effects that we don't want to deal with. As such we simply
+            -- floor the number here to zero to prevent any negative value from appearing, which
+            -- should have negligible impact as the edge cage happens very rarely, more specifically
+            -- when a cancellation happens during grace period by a registrar other than the the
+            -- owning one. All the numbers here should be positive to pass ICANN validation.
+            MAX(report_amount, 0) AS amount,
             reporting_time AS reportingTime
             FROM EXTERNAL_QUERY("projects/domain-registry-alpha/locations/us/connections/domain-registry-alpha-sql",
             ''' SELECT history_type, history_other_registrar_id, history_registrar_id, domain_repo_id, history_revision_id FROM "DomainHistory";''') AS dh