diff --git a/app/Http/Controllers/Chart/AccountController.php b/app/Http/Controllers/Chart/AccountController.php
index c6b2984728..72eaa746e5 100644
--- a/app/Http/Controllers/Chart/AccountController.php
+++ b/app/Http/Controllers/Chart/AccountController.php
@@ -335,7 +335,7 @@ class AccountController extends Controller
         $start          = clone session('start', today(config('app.timezone'))->startOfMonth());
         $end            = clone session('end', today(config('app.timezone'))->endOfMonth());
         $defaultSet     = $repository->getAccountsByType([AccountTypeEnum::DEFAULT->value, AccountTypeEnum::ASSET->value])->pluck('id')->toArray();
-        Log::debug('Default set is ', $defaultSet);
+        // Log::debug('Default set is ', $defaultSet);
         $frontpage      = app('preferences')->get('frontpageAccounts', $defaultSet);
         $frontpageArray = !is_array($frontpage->data) ? [] : $frontpage->data;
         Log::debug('Frontpage preference set is ', $frontpageArray);
diff --git a/app/Support/Http/Api/ExchangeRateConverter.php b/app/Support/Http/Api/ExchangeRateConverter.php
index 2588794911..9c2101f23c 100644
--- a/app/Support/Http/Api/ExchangeRateConverter.php
+++ b/app/Support/Http/Api/ExchangeRateConverter.php
@@ -88,6 +88,10 @@ class ExchangeRateConverter
 
             return '1';
         }
+        if($from->id === $to->id) {
+            Log::debug('ExchangeRateConverter: From and to are the same, return "1".');
+            return '1';
+        }
         $rate = $this->getRate($from, $to, $date);
 
         return '0' === $rate ? '1' : $rate;
@@ -103,7 +107,7 @@ class ExchangeRateConverter
 
         // find in cache
         if (null !== $res) {
-            Log::debug(sprintf('ExchangeRateConverter: Return cached rate from #%d to #%d on %s.', $from->id, $to->id, $date->format('Y-m-d')));
+            Log::debug(sprintf('ExchangeRateConverter: Return cached rate from %s to %s on %s.', $from->code, $to->code, $date->format('Y-m-d')));
 
             return $res;
         }
@@ -112,7 +116,7 @@ class ExchangeRateConverter
         $rate   = $this->getFromDB($from->id, $to->id, $date->format('Y-m-d'));
         if (null !== $rate) {
             Cache::forever($key, $rate);
-            Log::debug(sprintf('ExchangeRateConverter: Return DB rate from #%d to #%d on %s.', $from->id, $to->id, $date->format('Y-m-d')));
+            Log::debug(sprintf('ExchangeRateConverter: Return DB rate from %s to %s on %s.', $from->code, $to->code, $date->format('Y-m-d')));
 
             return $rate;
         }
@@ -122,7 +126,7 @@ class ExchangeRateConverter
         if (null !== $rate) {
             $rate = bcdiv('1', $rate);
             Cache::forever($key, $rate);
-            Log::debug(sprintf('ExchangeRateConverter: Return inverse DB rate from #%d to #%d on %s.', $from->id, $to->id, $date->format('Y-m-d')));
+            Log::debug(sprintf('ExchangeRateConverter: Return inverse DB rate from %s to %s on %s.', $from->code, $to->code, $date->format('Y-m-d')));
 
             return $rate;
         }
@@ -133,14 +137,14 @@ class ExchangeRateConverter
 
         // combined (if present), they can be used to calculate the necessary conversion rate.
         if (0 === bccomp('0', $first) || 0 === bccomp('0', $second)) {
-            Log::warning(sprintf('$first is "%s" and $second is "%s"', $first, $second));
+            Log::warning(sprintf('There is not enough information to convert %s to %s on date %d', $from->code, $to->code, $date->format('Y-m-d')));
 
             return '1';
         }
 
         $second = bcdiv('1', $second);
         $rate   = bcmul($first, $second);
-        Log::debug(sprintf('ExchangeRateConverter: Return DB rate from #%d to #%d on %s.', $from->id, $to->id, $date->format('Y-m-d')));
+        Log::debug(sprintf('ExchangeRateConverter: Return DB rate from %s to %s on %s.', $from->code, $to->code, $date->format('Y-m-d')));
         Cache::forever($key, $rate);
 
         return $rate;
@@ -154,6 +158,7 @@ class ExchangeRateConverter
     private function getFromDB(int $from, int $to, string $date): ?string
     {
         if ($from === $to) {
+            Log::debug('ExchangeRateConverter: From and to are the same, return "1".');
             return '1';
         }
         $key          = sprintf('cer-%d-%d-%s', $from, $to, $date);
@@ -173,7 +178,7 @@ class ExchangeRateConverter
             if ('' === $rate) {
                 return null;
             }
-            Log::debug(sprintf('ExchangeRateConverter: Found !cached! rate from #%d to #%d on %s.', $from, $to, $date));
+            Log::debug(sprintf('ExchangeRateConverter: Found cached rate from #%d to #%d on %s.', $from, $to, $date));
 
             return $rate;
         }
diff --git a/app/Support/Http/Controllers/ChartGeneration.php b/app/Support/Http/Controllers/ChartGeneration.php
index 9c82e37238..18dbf80eac 100644
--- a/app/Support/Http/Controllers/ChartGeneration.php
+++ b/app/Support/Http/Controllers/ChartGeneration.php
@@ -58,7 +58,7 @@ trait ChartGeneration
         if ($cache->has()) {
             return $cache->get();
         }
-        app('log')->debug('Regenerate chart.account.account-balance-chart from scratch.');
+        Log::debug('Regenerate chart.account.account-balance-chart from scratch.');
         $locale          = app('steam')->getLocale();
 
         /** @var GeneratorInterface $generator */
@@ -88,6 +88,7 @@ trait ChartGeneration
             $currentStart = clone $start;
             $range        = Steam::finalAccountBalanceInRange($account, clone $start, clone $end, $this->convertToNative);
             $previous     = array_values($range)[0];
+            Log::debug(sprintf('Start balance for account #%d ("%s) is', $account->id, $account->name), $previous);
             while ($currentStart <= $end) {
                 $format                        = $currentStart->format('Y-m-d');
                 $label                         = trim($currentStart->isoFormat((string) trans('config.month_and_day_js', [], $locale)));
diff --git a/app/Support/Steam.php b/app/Support/Steam.php
index a6211167f7..e1e1cc3a5c 100644
--- a/app/Support/Steam.php
+++ b/app/Support/Steam.php
@@ -59,8 +59,8 @@ class Steam
     public function finalAccountBalanceInRange(Account $account, Carbon $start, Carbon $end, bool $convertToNative): array
     {
         // expand period.
-        $start->subDay()->endOfDay(); // go to END of day to get the balance at the END of the day.
-        $end->addDay()->startOfDay(); // go to START of day to get the balance at the END of the previous day (see ahead).
+        $start->startOfDay();
+        $end->endOfDay();
         Log::debug(sprintf('finalAccountBalanceInRange(#%d, %s, %s)', $account->id, $start->format('Y-m-d H:i:s'), $end->format('Y-m-d H:i:s')));
 
         // set up cache
@@ -82,6 +82,7 @@ class Steam
         $currency             = $accountCurrency ?? $nativeCurrency;
         Log::debug(sprintf('Currency is %s', $currency->code));
 
+
         // set start balances:
         $startBalance[$currency->code] ??= '0';
         if ($hasCurrency) {
@@ -100,10 +101,11 @@ class Steam
         Log::debug('Final start balance: ', $startBalance);
 
         // sums up the balance changes per day.
+        Log::debug(sprintf('Date >= %s and <= %s', $start->format('Y-m-d H:i:s'), $end->format('Y-m-d H:i:s')));
         $set                  = $account->transactions()
             ->leftJoin('transaction_journals', 'transactions.transaction_journal_id', '=', 'transaction_journals.id')
-            ->where('transaction_journals.date', '>', $start->format('Y-m-d H:i:s'))
-            ->where('transaction_journals.date', '<', $end->format('Y-m-d  H:i:s'))
+            ->where('transaction_journals.date', '>=', $start->format('Y-m-d H:i:s'))
+            ->where('transaction_journals.date', '<=', $end->format('Y-m-d  H:i:s'))
             ->groupBy('transaction_journals.date')
             ->groupBy('transactions.transaction_currency_id')
             ->orderBy('transaction_journals.date', 'ASC')