feat: add of(...) convenience factory to StockQuotesRequest and OptionsQuotesRequest

src/main/java/com/marketdata/sdk/options/OptionsQuotesRequest.java

@@ -33,6 +33,11 @@ private OptionsQuotesRequest(Builder b) {
     this.countback = b.countback;
   }
 
+  /** Shortcut for {@code builder(first, rest...).build()}. */
+  public static OptionsQuotesRequest of(String first, String... rest) {
+    return builder(first, rest).build();
+  }
+
   /**
    * Start a builder with one or more option symbols. At least one symbol is required; duplicates
    * are kept (each one results in its own HTTP call).

src/main/java/com/marketdata/sdk/stocks/StockQuotesRequest.java

@@ -28,6 +28,11 @@ private StockQuotesRequest(Builder b) {
     this.week52 = b.week52;
   }
 
+  /** Shortcut for {@code builder(first, rest...).build()}. */
+  public static StockQuotesRequest of(String first, String... rest) {
+    return builder(first, rest).build();
+  }
+
   /** Start a builder with one or more ticker symbols. At least one is required. */
   public static Builder builder(String first, String... rest) {
     Builder b = new Builder();

src/test/java/com/marketdata/sdk/RequestValidationTest.java

@@ -37,6 +37,16 @@ void stockQuotesOptInColumnSettersChain() {
     assertThat(r.week52()).isTrue();
   }
 
+  @Test
+  void stockQuotesOfFactoryCarriesSymbolsAndDefaultsOptionals() {
+    StockQuotesRequest r = StockQuotesRequest.of("AAPL", "MSFT");
+
+    assertThat(r.symbols()).containsExactly("AAPL", "MSFT");
+    assertThat(r.extended()).isNull();
+    assertThat(r.candle()).isNull();
+    assertThat(r.week52()).isNull();
+  }
+
   @Test
   void stockCandlesCountbackSetterIsCarried() {
     StockCandlesRequest r =
@@ -114,6 +124,14 @@ void optionsQuotesFromSetterIsCarried() {
     assertThat(r.from()).isEqualTo(TODAY.minusDays(1));
   }
 
+  @Test
+  void optionsQuotesOfFactoryCarriesSymbolsAndDefaultsOptionals() {
+    OptionsQuotesRequest r = OptionsQuotesRequest.of("AAPL250620C00200000", "AAPL250620P00200000");
+
+    assertThat(r.optionSymbols()).containsExactly("AAPL250620C00200000", "AAPL250620P00200000");
+    assertThat(r.from()).isNull();
+  }
+
   @Test
   void optionsRequestsRejectEmptyInputs() {
     assertThatThrownBy(() -> OptionsStrikesRequest.of(""))