class Gruff::Candlestick

Here’s how to set up a Gruff::Candlestick.

g = Gruff::Candlestick.new
g.data low:  79.30, high:  93.10, open:  79.44, close:  91.20
g.data low:  89.14, high: 106.42, open:  91.28, close: 106.26
g.data low: 107.89, high: 131.00, open: 108.20, close: 129.04
g.data low: 103.10, high: 137.98, open: 132.76, close: 115.81
g.write("candlestick.png")