diff --git a/modules/mining-checker/src/Domain/AnalyticsService.php b/modules/mining-checker/src/Domain/AnalyticsService.php
index 8157f19..8bdee6e 100644
--- a/modules/mining-checker/src/Domain/AnalyticsService.php
+++ b/modules/mining-checker/src/Domain/AnalyticsService.php
@@ -75,16 +75,13 @@ final class AnalyticsService
 
             if (is_array($previous) && $previousMeasuredTs !== null) {
                 $intervalStartTs = $previousMeasuredTs;
-                $intervalStartCoins = (float) ($previousVisibleCoins ?? ($previous['coins_total'] ?? 0.0));
-                if ($previousCoinCurrency !== null && $previousCoinCurrency === $coinCurrency) {
-                    $intervalPayouts = max(0.0, $cumulativePayouts - (float) ($previousCumulativePayouts ?? 0.0));
-                    $intervalStartCoins = max(0.0, $intervalStartCoins - $intervalPayouts);
-                } elseif ($previousCoinCurrency !== null && $previousCoinCurrency !== $coinCurrency) {
-                    $intervalStartCoins = $visibleCoinsTotal;
+                $intervalStartCoins = (float) ($previous['coins_total_effective'] ?? $previous['coins_total'] ?? 0.0);
+                if ($previousCoinCurrency !== null && $previousCoinCurrency !== $coinCurrency) {
+                    $intervalStartCoins = $effectiveCoinsTotal;
                 }
 
                 $intervalHours = max(0.0, ($measuredTs - $intervalStartTs) / 3600);
-                $intervalGrowth = $visibleCoinsTotal - $intervalStartCoins;
+                $intervalGrowth = $effectiveCoinsTotal - $intervalStartCoins;
                 $perHourInterval = $intervalHours > 0 ? $intervalGrowth / $intervalHours : null;
                 $perDayInterval = $perHourInterval !== null ? $perHourInterval * 24 : null;
                 if ($perHourInterval !== null && $activeHashrateMh > 0) {