diff --git a/modules/mining-checker/src/Domain/AnalyticsService.php b/modules/mining-checker/src/Domain/AnalyticsService.php
index c3e5e259..1bf3e43c 100644
--- a/modules/mining-checker/src/Domain/AnalyticsService.php
+++ b/modules/mining-checker/src/Domain/AnalyticsService.php
@@ -58,7 +58,9 @@ final class AnalyticsService
             $includeFullDetail = !$fullLatestOnly || $index === $lastIndex;
             while (isset($payouts[$payoutIndex])) {
                 $payoutTs = $this->utcTimestamp((string) ($payouts[$payoutIndex]['payout_at'] ?? ''));
-                if ($payoutTs <= 0 || $payoutTs > $measuredTs) {
+                // A transfer with the exact same timestamp belongs to the next interval,
+                // otherwise the current measurement is inflated and the following rate turns negative.
+                if ($payoutTs <= 0 || $payoutTs >= $measuredTs) {
                     break;
                 }