...

src/main/kotlin/util/MarketUtil.kt

@@ -14,4 +14,18 @@ object MarketUtil {
         return now.isAfter(start) && now.isBefore(end)
     }
 
+    fun roundToTickSize(price: Double): Double {
+        val tick = when {
+            price < 2000 -> 1.0
+            price < 5000 -> 5.0
+            price < 20000 -> 10.0
+            price < 50000 -> 50.0
+            price < 200000 -> 100.0
+            price < 500000 -> 500.0
+            else -> 1000.0
+        }
+        // 가장 가까운 호가 단위로 반올림
+        return Math.round(price / tick) * tick
+    }
+
 }