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The border of the labels.

<div id="stock-chart"></div>
<script>
$("#stock-chart").kendoStockChart({
        series: [
          {
            type: "candlestick",
            colorField: "color",
            data: [
              {
                date: new Date(2024, 0, 1),
                open: 150.25,
                high: 152.8,
                low: 149.5,
                close: 152.3,
                color: "#f44336",
              },
              {
                date: new Date(2024, 0, 2),
                open: 152.5,
                high: 154.2,
                low: 151.8,
                close: 153.75,
                color: "#4caf50",
              },
              {
                date: new Date(2024, 0, 3),
                open: 153.8,
                high: 155.4,
                low: 152.9,
                close: 154.2,
                color: "#2196f3",
              },
              
            ],
            openField: "open",
            highField: "high",
            lowField: "low",
            closeField: "close",
            dateField: "date",
            name: "Stock Price",
            color: "#03a9f4",
            downColor: "#f44336",
          },
        ],
        navigator: {
          series: {
            type: "line",
            labels: {
                visible: true,
                border: {
                    color: "red",
                    width: 2
                }
            },
            data: [
              {
                date: new Date(2024, 0, 1),
                open: 150.25,
                high: 152.8,
                low: 149.5,
                close: 152.3,
              },
              {
                date: new Date(2024, 0, 2),
                open: 152.5,
                high: 154.2,
                low: 151.8,
                close: 153.75,
              },
              {
                date: new Date(2024, 0, 3),
                open: 153.8,
                high: 155.4,
                low: 152.9,
                close: 154.2,
              },
              
            ],
            field: "close",
            dateField: "date",
            color: "#ff9800",
          },
        },
      });
</script>

The color of the border.

Default: "black"

<div id="stock-chart"></div>
<script>
$("#stock-chart").kendoStockChart({
        series: [
          {
            type: "candlestick",
            colorField: "color",
            data: [
              {
                date: new Date(2024, 0, 1),
                open: 150.25,
                high: 152.8,
                low: 149.5,
                close: 152.3,
                color: "#f44336",
              },
              {
                date: new Date(2024, 0, 2),
                open: 152.5,
                high: 154.2,
                low: 151.8,
                close: 153.75,
                color: "#4caf50",
              },
              {
                date: new Date(2024, 0, 3),
                open: 153.8,
                high: 155.4,
                low: 152.9,
                close: 154.2,
                color: "#2196f3",
              },
              
            ],
            openField: "open",
            highField: "high",
            lowField: "low",
            closeField: "close",
            dateField: "date",
            name: "Stock Price",
            color: "#03a9f4",
            downColor: "#f44336",
          },
        ],
        navigator: {
          series: {
            type: "line",
            labels: {
                visible: true,
                border: {
                    color: "blue"
                }
            },
            data: [
              {
                date: new Date(2024, 0, 1),
                open: 150.25,
                high: 152.8,
                low: 149.5,
                close: 152.3,
              },
              {
                date: new Date(2024, 0, 2),
                open: 152.5,
                high: 154.2,
                low: 151.8,
                close: 153.75,
              },
              {
                date: new Date(2024, 0, 3),
                open: 153.8,
                high: 155.4,
                low: 152.9,
                close: 154.2,
              },
              
            ],
            field: "close",
            dateField: "date",
            color: "#ff9800",
          },
        },
      });
</script>

The dash type of the border.

"solid"

Specifies a solid line.

"dot"

Specifies a line consisting of dots.

"dash"

Specifies a line consisting of dashes.

"longDash"

Specifies a line consisting of a repeating pattern of long-dash.

"dashDot"

Specifies a line consisting of a repeating pattern of dash-dot.

"longDashDot"

Specifies a line consisting of a repeating pattern of long-dash-dot.

"longDashDotDot"

Specifies a line consisting of a repeating pattern of long-dash-dot-dot.

Default: "solid"

<div id="stock-chart"></div>
<script>
$("#stock-chart").kendoStockChart({
        series: [
          {
            type: "candlestick",
            colorField: "color",
            data: [
              {
                date: new Date(2024, 0, 1),
                open: 150.25,
                high: 152.8,
                low: 149.5,
                close: 152.3,
                color: "#f44336",
              },
              {
                date: new Date(2024, 0, 2),
                open: 152.5,
                high: 154.2,
                low: 151.8,
                close: 153.75,
                color: "#4caf50",
              },
              {
                date: new Date(2024, 0, 3),
                open: 153.8,
                high: 155.4,
                low: 152.9,
                close: 154.2,
                color: "#2196f3",
              },
              
            ],
            openField: "open",
            highField: "high",
            lowField: "low",
            closeField: "close",
            dateField: "date",
            name: "Stock Price",
            color: "#03a9f4",
            downColor: "#f44336",
          },
        ],
        navigator: {
          series: {
            type: "line",
            labels: {
                visible: true,
                border: {
                    dashType: "dash"
                }
            },
            data: [
              {
                date: new Date(2024, 0, 1),
                open: 150.25,
                high: 152.8,
                low: 149.5,
                close: 152.3,
              },
              {
                date: new Date(2024, 0, 2),
                open: 152.5,
                high: 154.2,
                low: 151.8,
                close: 153.75,
              },
              {
                date: new Date(2024, 0, 3),
                open: 153.8,
                high: 155.4,
                low: 152.9,
                close: 154.2,
              },
              
            ],
            field: "close",
            dateField: "date",
            color: "#ff9800",
          },
        },
      });
</script>

The width of the border.

Default: 0

<div id="stock-chart"></div>
<script>
$("#stock-chart").kendoStockChart({
        series: [
          {
            type: "candlestick",
            colorField: "color",
            data: [
              {
                date: new Date(2024, 0, 1),
                open: 150.25,
                high: 152.8,
                low: 149.5,
                close: 152.3,
                color: "#f44336",
              },
              {
                date: new Date(2024, 0, 2),
                open: 152.5,
                high: 154.2,
                low: 151.8,
                close: 153.75,
                color: "#4caf50",
              },
              {
                date: new Date(2024, 0, 3),
                open: 153.8,
                high: 155.4,
                low: 152.9,
                close: 154.2,
                color: "#2196f3",
              },
              
            ],
            openField: "open",
            highField: "high",
            lowField: "low",
            closeField: "close",
            dateField: "date",
            name: "Stock Price",
            color: "#03a9f4",
            downColor: "#f44336",
          },
        ],
        navigator: {
          series: {
            type: "line",
            labels: {
                visible: true,
                border: {
                    width: 3
                }
            },
            data: [
              {
                date: new Date(2024, 0, 1),
                open: 150.25,
                high: 152.8,
                low: 149.5,
                close: 152.3,
              },
              {
                date: new Date(2024, 0, 2),
                open: 152.5,
                high: 154.2,
                low: 151.8,
                close: 153.75,
              },
              {
                date: new Date(2024, 0, 3),
                open: 153.8,
                high: 155.4,
                low: 152.9,
                close: 154.2,
              },
              
            ],
            field: "close",
            dateField: "date",
            color: "#ff9800",
          },
        },
      });
</script>