asda

Finance/Quotes.cs

@@ -103,10 +103,16 @@ public static async Task<List<Candle>> GetQuotesAround(
     {
         lookAround = Math.Max(lookAround, 1);
         var start = earningsDate.Date;
-        var end = start.AddDays(1);
-        if (earningsDate.DateType != "BMO")
-            lookAround -= 1;
-        for (var i = 0; i < lookAround; i++)
+        var end = earningsDate.Date.AddDays(1);
+        while (Util.IsHoliday(end))
+            end = end.AddDays(1);
+        if (earningsDate.DateType == "BMO") {
+            start = earningsDate.Date.AddDays(-1);
+            while (Util.IsHoliday(start))
+                start = start.AddDays(-1);
+            end = earningsDate.Date;
+        }
+        for (var i = 1; i < lookAround; i++)
         {
             start = start.AddDays(-1);
             while (Util.IsHoliday(start))

notebooks/demo.dib

@@ -5,13 +5,13 @@
 #!csharp
 
 #r "nuget: CosminSanda.Finance"
-#r "nuget: ScottPlot"
+#r "nuget: XPlot.Plotly.Interactive"
 #r "nuget: CsvHelper"
 #r "nuget: ServiceStack.Text"
 
 #!csharp
 
-using System.Linq;
+using XPlot.Plotly;
 using CosminSanda.Finance;
 using CosminSanda.Finance.Records;
 
@@ -29,13 +29,18 @@ var quotes = await Quotes.GetQuotesAround("TWTR", lastDate, 3);
 
 #!csharp
 
-using Microsoft.DotNet.Interactive.Formatting;
+var chart4 = Chart.Candlestick(quotes.Select(o => new Tuple<string, double, double, double, double>(
+    o.Date.ToDateTime(TimeOnly.Parse("10:00 PM")).ToString("yyyy-MM-dd"),
+    o.Open,
+    o.High,
+    o.Low,
+    o.Close
+)));
 
-Formatter.Register(typeof(ScottPlot.Plot), (plt, writer) => 
-    writer.Write(((ScottPlot.Plot)plt).GetImageHTML()), HtmlFormatter.MimeType);
+chart4.WithLayout(new Layout.Layout{
+    title="OHLC"
+});
 
 #!csharp
 
-var plt = new ScottPlot.Plot(600, 400);
-
-plt.AddCandlesticks(prices);
+chart4