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# 10 May 2005
# 
# Though gnuplot is primarily a scientific plotting program, it can do a great
# job of plotting finance charts as well. The primary challenge is the irregular
# nature of financial time series. Stocks don't trade every day, so when you set
# the x-axis to time gaps appear for non-trading days. Investors and traders
# generally prefer that these gaps be omitted. Another challenge is that finance
# charts are best presented in semi-log form (log y-axis, linear x-axis),
# but gnuplot wants to span decades in its log scaling, something that stocks
# rarely do. These and other challenges are met in finance.dem, a short 
# demonstration script that proves that gnuplot can really shine in this area.
# 
# gnuplot plays a central role in our work. Almost all the graphs in "Bollinger
# on Bollinger Bands" were plotted by gnuplot, many gnuplot visuals have
# appeared on CNBC, our in-house analytics use gnuplot for visual display and
# The Capital Growth Letter relies heavily on gnuplot for its charts.  
# 
# Finally, gnuplot is yet another successful demonstration of a powerful idea,
# open source programming. Thanks to all who made gnuplot possible from the
# earliest days to the present and to all those who will contribute in the
# future. (Special thanks to Hans-Bernhard Broeker whose patience helped me to
# climb the grade and to Ethan Merritt whose recent contributions have been
# invaluable to our work.)
# 
# John Bollinger
# www.BollingerBands.com 

# a demonstration of gnuplot finance plot styles
# by John Bollinger, CFA, CMT
# www.BollingerBands.com
# BBands@BollingerBands.com

# data and indicators in finance.dat
# data file layout: 
# date, open, high, low, close, volume,
# 50-day moving average volume, Intraday Intensity, 
# 20-day moving average close, 
# upper Bollinger Band, lower Bollinger Band 

# last update: 8 May 2005


# set label 1 "Demo of plotting financial data" at screen 0.5, screen 0.95 center
set title "Demo of plotting financial data"
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set lmargin 9
set rmargin 2
plot 'finance.dat' using 0:5 notitle with lines


Click here for minimal script to generate this plot

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set title "Turn on grid"
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set lmargin 9
set rmargin 2
set grid
plot 'finance.dat' using 0:5 notitle with lines


Click here for minimal script to generate this plot

x		y
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set title "Semi-log scaling"
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set lmargin 9
set rmargin 2
set grid
set logscale y
plot 'finance.dat' using 0:5 notitle with lines


Click here for minimal script to generate this plot

x		y
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set title "Finance bars"
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set lmargin 9
set rmargin 2
set grid
set logscale y
plot 'finance.dat' using 0:2:3:4:5 notitle with financebars lt 8


Click here for minimal script to generate this plot

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set title "Bollinger Bands"
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set lmargin 9
set rmargin 2
set grid
set logscale y
plot 'finance.dat' using 0:2:3:4:5 notitle with financebars lt 8, \
'finance.dat' using 0:9 notitle with lines lt 3, \
'finance.dat' using 0:10 notitle with lines lt 1, \
'finance.dat' using 0:11 notitle with lines lt 2



Click here for minimal script to generate this plot

x		y
			①	②	③	④	⑤	⑥	⑦

set title "Overlay an indicator on a separate scale"
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set lmargin 9
set rmargin 2
set grid
set logscale y
plot 'finance.dat' using 0:2:3:4:5 notitle with financebars lt 8, \
'finance.dat' using 0:9 notitle with lines lt 3, \
'finance.dat' using 0:10 notitle with lines lt 1, \
'finance.dat' using 0:11 notitle with lines lt 2, \
'finance.dat' using 0:8 axes x1y2 notitle with lines lt 4


Click here for minimal script to generate this plot

x		y
			①	②	③	④	⑤	⑥	⑦

set title "Add some boiler plate"
set label "Courtesy of Bollinger Capital" at graph 0.01, 0.07
set label "  www.BollingerBands.com" at graph 0.01, 0.03
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set lmargin 9
set rmargin 2
set grid
set logscale y
plot 'finance.dat' using 0:2:3:4:5 notitle with financebars lt 8, \
'finance.dat' using 0:9 notitle with lines lt 3, \
'finance.dat' using 0:10 notitle with lines lt 1, \
'finance.dat' using 0:11 notitle with lines lt 2, \
'finance.dat' using 0:8 axes x1y2 notitle with lines lt 4


Click here for minimal script to generate this plot

x		y
			①	②	③	④	⑤	⑥	⑦

set label "Courtesy of Bollinger Capital" at graph 0.01, 0.07
set label "  www.BollingerBands.com" at graph 0.01, 0.03
set logscale y
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set grid
set lmargin 9
set rmargin 2
set format x ""
set xtics (66, 87, 109, 130, 151, 174, 193, 215, 235)
set multiplot
set size 1, 0.7
set origin 0, 0.3
set bmargin 0
set title "Add volume in a separate clip"
plot 'finance.dat' using 0:2:3:4:5 notitle with financebars lt 8, \
'finance.dat' using 0:9 notitle with lines lt 3, \
'finance.dat' using 0:10 notitle with lines lt 1, \
'finance.dat' using 0:11 notitle with lines lt 2, \
'finance.dat' using 0:8 axes x1y2 notitle with lines lt 4
unset label 1
unset label 2
unset title
set bmargin
set format x
set size 1.0, 0.3
set origin 0.0, 0.0
set tmargin 0
unset logscale y
set autoscale y
set format y "%1.0f"
set ytics 500
plot 'finance.dat' using 0:($6/10000) notitle with impulses lt 3
unset multiplot


Click here for minimal script to generate this plot

x		y
			①	②	③	④	⑤	⑥	⑦

set label "Courtesy of Bollinger Capital" at graph 0.01, 0.07
set label "  www.BollingerBands.com" at graph 0.01, 0.03
set logscale y
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set grid
set lmargin 9
set rmargin 2
set format x ""
set xtics (66, 87, 109, 130, 151, 174, 193, 215, 235)
set multiplot
set title "Add average volume"
set size 1, 0.7
set origin 0, 0.3
set bmargin 0
plot 'finance.dat' using 0:2:3:4:5 notitle with financebars lt 8, \
'finance.dat' using 0:9 notitle with lines lt 3, \
'finance.dat' using 0:10 notitle with lines lt 1, \
'finance.dat' using 0:11 notitle with lines lt 2, \
'finance.dat' using 0:8 axes x1y2 notitle with lines lt 4
unset label 1
unset label 2
unset title
set bmargin
set format x
set size 1.0, 0.3
set origin 0.0, 0.0
set tmargin 0
unset logscale y
set autoscale y
set format y "%1.0f"
set ytics 500
plot 'finance.dat' using 0:($6/10000) notitle with impulses lt 3, \
'finance.dat' using 0:($7/10000) notitle with lines lt 1
unset multiplot


Click here for minimal script to generate this plot

x		y
			①	②	③	④	⑤	⑥	⑦

set label "Courtesy of Bollinger Capital" at graph 0.01, 0.07
set label "  www.BollingerBands.com" at graph 0.01, 0.03
set logscale y
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set grid
set lmargin 9
set rmargin 2
set format x ""
set xtics (66, 87, 109, 130, 151, 174, 193, 215, 235)
set multiplot
set title "Add date labels to the x axis"
set size 1, 0.7
set origin 0, 0.3
set bmargin 0
plot 'finance.dat' using 0:2:3:4:5 notitle with financebars lt 8, \
'finance.dat' using 0:9 notitle with lines lt 3, \
'finance.dat' using 0:10 notitle with lines lt 1, \
'finance.dat' using 0:11 notitle with lines lt 2, \
'finance.dat' using 0:8 axes x1y2 notitle with lines lt 4
unset label 1
unset label 2
unset title
set bmargin
set format x
set size 1.0, 0.3
set origin 0.0, 0.0
set tmargin 0
unset logscale y
set autoscale y
set format y "%1.0f"
set ytics 500
set xtics ("6/03" 66, "7/03" 87, "8/03" 109, "9/03" 130, "10/03" 151, "11/03" 174, "12/03" 193, "1/04" 215, "2/04" 235)
plot 'finance.dat' using 0:($6/10000) notitle with impulses lt 3, \
'finance.dat' using 0:($7/10000) notitle with lines lt 1
unset multiplot


Click here for minimal script to generate this plot

x		y
			①	②	③	④	⑤	⑥	⑦

set label "Courtesy of Bollinger Capital" at graph 0.01, 0.07
set label "  www.BollingerBands.com" at graph 0.01, 0.03
set logscale y
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set grid
set lmargin 9
set rmargin 2
set format x ""
set xtics (66, 87, 109, 130, 151, 174, 193, 215, 235)
set multiplot
set title "Add labels for each clip"
set size 1, 0.7
set origin 0, 0.3
set bmargin 0
set ylabel "price" offset 1
plot 'finance.dat' using 0:2:3:4:5 notitle with financebars lt 8, \
'finance.dat' using 0:9 notitle with lines lt 3, \
'finance.dat' using 0:10 notitle with lines lt 1, \
'finance.dat' using 0:11 notitle with lines lt 2, \
'finance.dat' using 0:8 axes x1y2 notitle with lines lt 4
unset label 1
unset label 2
unset title
set bmargin
set format x
set size 1.0, 0.3
set origin 0.0, 0.0
set tmargin 0
unset logscale y
set autoscale y
set format y "%1.0f"
set ytics 500
set xtics ("6/03" 66, "7/03" 87, "8/03" 109, "9/03" 130, "10/03" 151, "11/03" 174, "12/03" 193, "1/04" 215, "2/04" 235)
set ylabel "volume (0000)" offset 1
plot 'finance.dat' using 0:($6/10000) notitle with impulses lt 3, \
'finance.dat' using 0:($7/10000) notitle with lines lt 1
unset multiplot


Click here for minimal script to generate this plot

x		y
			①	②	③	④	⑤	⑥	⑦

set label 1 "Acme Widgets" at graph 0.5, graph 0.9 center front
set label 2 "Courtesy of Bollinger Capital" at graph 0.01, 0.07
set label 3 "  www.BollingerBands.com" at graph 0.01, 0.03
set logscale y
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set grid
set lmargin 9
set rmargin 2
set format x ""
set xtics (66, 87, 109, 130, 151, 174, 193, 215, 235)
set multiplot
set title "Add a title"
set size 1, 0.7
set origin 0, 0.3
set bmargin 0
set ylabel "price" offset 1
plot 'finance.dat' using 0:2:3:4:5 notitle with financebars lt 8, \
'finance.dat' using 0:9 notitle with lines lt 3, \
'finance.dat' using 0:10 notitle with lines lt 1, \
'finance.dat' using 0:11 notitle with lines lt 2, \
'finance.dat' using 0:8 axes x1y2 notitle with lines lt 4
unset label 1
unset label 2
unset label 3
unset title
set bmargin
set format x
set size 1.0, 0.3
set origin 0.0, 0.0
set tmargin 0
unset logscale y
set autoscale y
set format y "%1.0f"
set ytics 500
set xtics ("6/03" 66, "7/03" 87, "8/03" 109, "9/03" 130, "10/03" 151, "11/03" 174, "12/03" 193, "1/04" 215, "2/04" 235)
set ylabel "volume (0000)" offset 1
plot 'finance.dat' using 0:($6/10000) notitle with impulses lt 3, \
'finance.dat' using 0:($7/10000) notitle with lines lt 1
unset multiplot


Click here for minimal script to generate this plot

x		y
			①	②	③	④	⑤	⑥	⑦

set label 1 "Acme Widgets" at graph 0.5, graph 0.9 center front
set label 2 "Courtesy of Bollinger Capital" at graph 0.01, 0.07
set label 3 "  www.BollingerBands.com" at graph 0.01, 0.03
set logscale y
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set grid
set lmargin 9
set rmargin 2
set format x ""
set xtics (66, 87, 109, 130, 151, 174, 193, 215, 235)
set multiplot
set title "Change to candlesticks"
set size 1, 0.7
set origin 0, 0.3
set bmargin 0
set ylabel "price" offset 1
plot 'finance.dat' using 0:2:3:4:5 notitle with candlesticks lt 8, \
'finance.dat' using 0:9 notitle with lines lt 3, \
'finance.dat' using 0:10 notitle with lines lt 1, \
'finance.dat' using 0:11 notitle with lines lt 2, \
'finance.dat' using 0:8 axes x1y2 notitle with lines lt 4
unset label 1
unset label 2
unset label 3
unset title
set bmargin
set format x
set size 1.0, 0.3
set origin 0.0, 0.0
set tmargin 0
unset logscale y
set autoscale y
set format y "%1.0f"
set ytics 500
set xtics ("6/03" 66, "7/03" 87, "8/03" 109, "9/03" 130, "10/03" 151, "11/03" 174, "12/03" 193, "1/04" 215, "2/04" 235)
set ylabel "volume (0000)" offset 1
plot 'finance.dat' using 0:($6/10000) notitle with impulses lt 3, \
'finance.dat' using 0:($7/10000) notitle with lines lt 1
unset multiplot


Click here for minimal script to generate this plot

x		y
			①	②	③	④	⑤	⑥	⑦

set label 1 "Acme Widgets" at graph 0.5, graph 0.9 center front
set label 2 "Courtesy of Bollinger Capital" at graph 0.01, 0.07
set label 3 "  www.BollingerBands.com" at graph 0.01, 0.03
set logscale y
set yrange [75:105]
set ytics (105, 100, 95, 90, 85, 80)
set xrange [50:253]
set grid
set lmargin 9
set rmargin 2
set format x ""
set xtics (66, 87, 109, 130, 151, 174, 193, 215, 235)
set multiplot
set title "Change to Bollinger Boxes"
set size 1, 0.7
set origin 0, 0.3
set bmargin 0
set ylabel "price" offset 1
plot 'finance.dat' using 0:3:3:($2>$5?$2:$5):($2>$5?$2:$5) notitle with candlesticks lt 3, \
'finance.dat' using 0:($2<$5?$5:1/0):($2<$5?$5:1/0):($2<$5?$2:1/0):($2<$5?$2:1/0) notitle with candlesticks lt 2, \
'finance.dat' using 0:($2>$5?$2:1/0):($2>$5?$2:1/0):($2>$5?$5:1/0):($2>$5?$5:1/0) notitle with candlesticks lt 1, \
'finance.dat' using 0:($2<$5?$2:$5):($2<$5?$2:$5):4:4 notitle with candlesticks lt 3, \
'finance.dat' using 0:9 notitle with lines lt 3, \
'finance.dat' using 0:10 notitle with lines lt 1, \
'finance.dat' using 0:11 notitle with lines lt 2, \
'finance.dat' using 0:8 axes x1y2 notitle with lines lt 4
unset label 1
unset label 2
unset label 3
unset title
set bmargin
set format x
set size 1.0, 0.3
set origin 0.0, 0.0
set tmargin 0
unset logscale y
set autoscale y
set format y "%1.0f"
set ytics 500
set xtics ("6/03" 66, "7/03" 87, "8/03" 109, "9/03" 130, "10/03" 151, "11/03" 174, "12/03" 193, "1/04" 215, "2/04" 235)
set ylabel "volume (0000)" offset 1
plot 'finance.dat' using 0:($6/10000) notitle with impulses lt 3, \
'finance.dat' using 0:($7/10000) notitle with lines lt 1
unset multiplot


Click here for minimal script to generate this plot