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- { PLOTSTOK - DAN algorithm to track stock activity }
- step = 7;
- file = "EG&G.DAT"; {set name of file containing quotes}
- volume = read & {convert data from ASCII text file to binary files}
- high = read &
- low = read &
- close = read &
- sigma1 = std.dev(close) & ymax = max(high) & ymin = min(low);
- constant(sigma1);
- xformat = dates;
- { plot stock value }
- label="EG&G Corp. stock value - high, low, close";
- ylabel = "Dollars";
- tracenum = off;
- trace = block & plot(high) & plot(low) &
- trace = line & plot(close) & connect(t,high,t,low);
- text="EG&G Corp. stock value standard deviation: "; note(sigma1,#8/1/85,44);
- pause;
- {plot stock volume}
- erase;
- ymin = 0; ymax = max(volume) & sigma2 = std.dev(volume);
- constant(sigma2);
- label = "EG&G Corp. trading volume";
- ylabel = "Number of Shares / 1000";
- plot(volume);
- text="EG&G Corp. trading volume standard deviation: "; note(sigma2,#8/1/85,7000);
- pause;
- { plot portfolio value }
- file = "numEG&G.dat"; { file containing number of shares owned }
- num_share = read;
- ymin = min(num_share * close) & ymax = max(num_share * close);
- erase;
- start = #10/1/84; dur = #10/1/86 - #10/1/84;
- label = "EG&G Portfolio Value";
- ylabel = "Dollars";
- plot(num_share * close);