diff --git a/src/IBKRTrader.Core/Trading/ExecutionService.cs b/src/IBKRTrader.Core/Trading/ExecutionService.cs
index 2022151..05a9f55 100644
--- a/src/IBKRTrader.Core/Trading/ExecutionService.cs
+++ b/src/IBKRTrader.Core/Trading/ExecutionService.cs
@@ -60,7 +60,7 @@ public sealed class ExecutionService : IExecutionService
         }
 
         // 2. Kurs
-        var quote = await _broker.GetQuoteAsync(signal.Symbol, ct);
+        var quote = await _broker.GetQuoteAsync(signal.Instrument, ct);
         if (quote is null || quote.Last <= 0)
         {
             Journal(signal, TradeDecision.Skipped, DecisionReason.NoQuote, $"Kein Kurs für {signal.Symbol} verfügbar.");
diff --git a/src/IBKRTrader.Core/Trading/IBrokerClient.cs b/src/IBKRTrader.Core/Trading/IBrokerClient.cs
index 982a5c6..8e784db 100644
--- a/src/IBKRTrader.Core/Trading/IBrokerClient.cs
+++ b/src/IBKRTrader.Core/Trading/IBrokerClient.cs
@@ -6,8 +6,14 @@ namespace IBKRTrader.Core.Trading;
 /// </summary>
 public interface IBrokerClient
 {
-    /// <summary>Aktuelle Kurs-Momentaufnahme oder null, wenn nicht verfügbar.</summary>
-    Task<Quote?> GetQuoteAsync(string symbol, CancellationToken ct = default);
+    /// <summary>
+    /// Aktuelle Kurs-Momentaufnahme oder <c>null</c>, wenn nicht verfügbar.
+    ///
+    /// <para>Nimmt das <b>Instrument</b> und nicht nur das Symbol: ohne Währung wird jeder Kontrakt
+    /// als USD gesucht, und ein Wert, der nur in EUR notiert, ist dann schlicht "nicht auflösbar".
+    /// Ohne Kontraktangaben gälte dasselbe für jede Option.</para>
+    /// </summary>
+    Task<Quote?> GetQuoteAsync(InstrumentRef instrument, CancellationToken ct = default);
 
     /// <summary>Kontostand-Momentaufnahme.</summary>
     Task<AccountState> GetAccountStateAsync(CancellationToken ct = default);
diff --git a/src/IBKRTrader.Core/Trading/Ibkr/IbkrBrokerClient.cs b/src/IBKRTrader.Core/Trading/Ibkr/IbkrBrokerClient.cs
index c6f231d..ba385e2 100644
--- a/src/IBKRTrader.Core/Trading/Ibkr/IbkrBrokerClient.cs
+++ b/src/IBKRTrader.Core/Trading/Ibkr/IbkrBrokerClient.cs
@@ -53,14 +53,14 @@ public sealed class IbkrBrokerClient : IBrokerClient, IBrokerPortfolioReader, ID
             $"TWS-Broker aktiv: {ibkr.Host}:{ibkr.Port} (Client {ibkr.ClientId}), Modus {mode}.");
     }
 
-    public async Task<Quote?> GetQuoteAsync(string symbol, CancellationToken ct = default)
+    public async Task<Quote?> GetQuoteAsync(InstrumentRef instrument, CancellationToken ct = default)
     {
         if (!await IsReadyAsync(ct).ConfigureAwait(false)) return null;
 
-        var contract = await _connection!.ResolveContractAsync(InstrumentRef.ForStock(symbol), _requestTimeout, ct).ConfigureAwait(false);
+        var contract = await _connection!.ResolveContractAsync(instrument, _requestTimeout, ct).ConfigureAwait(false);
         if (contract is null) return null;
 
-        return await _connection.RequestQuoteAsync(contract, symbol, _requestTimeout, ct).ConfigureAwait(false);
+        return await _connection.RequestQuoteAsync(contract, instrument.Symbol, _requestTimeout, ct).ConfigureAwait(false);
     }
 
     public async Task<AccountState> GetAccountStateAsync(CancellationToken ct = default)
diff --git a/src/IBKRTrader.Core/Trading/NullBrokerClient.cs b/src/IBKRTrader.Core/Trading/NullBrokerClient.cs
index 8709084..b7d4e5b 100644
--- a/src/IBKRTrader.Core/Trading/NullBrokerClient.cs
+++ b/src/IBKRTrader.Core/Trading/NullBrokerClient.cs
@@ -19,7 +19,7 @@ public sealed class NullBrokerClient : IBrokerClient, IBrokerPortfolioReader
     public Task<IReadOnlyList<BrokerExecution>> GetExecutionsAsync(DateTime? since = null, CancellationToken ct = default)
         => Task.FromResult<IReadOnlyList<BrokerExecution>>(Array.Empty<BrokerExecution>());
 
-    public Task<Quote?> GetQuoteAsync(string symbol, CancellationToken ct = default)
+    public Task<Quote?> GetQuoteAsync(InstrumentRef instrument, CancellationToken ct = default)
         => Task.FromResult<Quote?>(null);
 
     public Task<AccountState> GetAccountStateAsync(CancellationToken ct = default)
diff --git a/src/IBKRTrader.Daemon/Program.cs b/src/IBKRTrader.Daemon/Program.cs
index af308e1..4aeb0d1 100644
--- a/src/IBKRTrader.Daemon/Program.cs
+++ b/src/IBKRTrader.Daemon/Program.cs
@@ -182,7 +182,7 @@ internal static class Program
         foreach (var p in positions.Take(10))
             Console.WriteLine($"  {p}");
 
-        var quote = await broker.GetQuoteAsync(symbol, cts.Token).ConfigureAwait(false);
+        var quote = await broker.GetQuoteAsync(InstrumentRef.ForStock(symbol), cts.Token).ConfigureAwait(false);
         Console.WriteLine(quote is null
             ? $"Kurs {symbol}: keiner geliefert (ohne Marktdaten-Abo bei geschlossener Börse normal)"
             : $"Kurs {symbol}: {quote}");
diff --git a/src/IBKRTrader.Daemon/VerifyOrder.cs b/src/IBKRTrader.Daemon/VerifyOrder.cs
index 9eac446..324503f 100644
--- a/src/IBKRTrader.Daemon/VerifyOrder.cs
+++ b/src/IBKRTrader.Daemon/VerifyOrder.cs
@@ -84,13 +84,12 @@ internal static class VerifyOrder
             return 1;
         }
 
-        // Die Kursabfrage laeuft weiterhin ueber das Symbol; der Adapter loest den Kontrakt
-        // anhand des Instruments samt Waehrung auf.
-        var quote = await broker.GetQuoteAsync(symbol, cts.Token).ConfigureAwait(false);
+        var quote = await broker.GetQuoteAsync(instrument, cts.Token).ConfigureAwait(false);
         if (quote is null || quote.Last <= 0)
         {
-            Console.Error.WriteLine($"ABBRUCH: kein Kurs für {symbol}. Bei geschlossener Börse und ohne " +
-                                    $"Marktdaten-Abo ist das normal – dann später erneut versuchen.");
+            Console.Error.WriteLine($"ABBRUCH: kein Kurs für {instrument}. Entweder ist der Kontrakt " +
+                                    $"nicht auflösbar (Symbol/Währung prüfen – die Meldung des Adapters " +
+                                    $"steht oben), oder die Börse ist zu und es liegt kein Marktdaten-Abo vor.");
             return 1;
         }
 
diff --git a/tests/IBKRTrader.Tests/Trading/ExecutionServiceTests.cs b/tests/IBKRTrader.Tests/Trading/ExecutionServiceTests.cs
index 1f089d6..e5fb5da 100644
--- a/tests/IBKRTrader.Tests/Trading/ExecutionServiceTests.cs
+++ b/tests/IBKRTrader.Tests/Trading/ExecutionServiceTests.cs
@@ -58,7 +58,7 @@ public class ExecutionServiceTests
     private void ArrangeHappyPath()
     {
         EnableTrading();
-        _broker.GetQuoteAsync(Arg.Any<string>(), Arg.Any<CancellationToken>())
+        _broker.GetQuoteAsync(Arg.Any<InstrumentRef>(), Arg.Any<CancellationToken>())
                .Returns(Task.FromResult<Quote?>(new Quote("AAPL", 100m, 99m, 101m)));
         _broker.GetAccountStateAsync(Arg.Any<CancellationToken>())
                .Returns(Task.FromResult(new AccountState(10_000m, 10_000m)));
@@ -87,7 +87,7 @@ public class ExecutionServiceTests
     public async Task NoQuote_Skips()
     {
         EnableTrading();
-        _broker.GetQuoteAsync(Arg.Any<string>(), Arg.Any<CancellationToken>())
+        _broker.GetQuoteAsync(Arg.Any<InstrumentRef>(), Arg.Any<CancellationToken>())
                .Returns(Task.FromResult<Quote?>(null));
 
         var result = await CreateSut().ExecuteAsync(BuySignal);
@@ -100,7 +100,7 @@ public class ExecutionServiceTests
     public async Task RiskRejects_Skips_WithReason()
     {
         EnableTrading();
-        _broker.GetQuoteAsync(Arg.Any<string>(), Arg.Any<CancellationToken>())
+        _broker.GetQuoteAsync(Arg.Any<InstrumentRef>(), Arg.Any<CancellationToken>())
                .Returns(Task.FromResult<Quote?>(new Quote("AAPL", 100m, 99m, 101m)));
         _broker.GetAccountStateAsync(Arg.Any<CancellationToken>())
                .Returns(Task.FromResult(new AccountState(10_000m, 10_000m)));