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https://github.com/rfivet/BCG101.git
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234 lines
7.3 KiB
QBasic
234 lines
7.3 KiB
QBasic
100 REM STOCK MARKET SIMULATION -STOCK-
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101 REM REVISED 8/18/70 (D. PESSEL, L. BRAUN, C. LOSIK)
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102 REM IMP VRBLS: A-MRKT TRND SLP; B5-BRKRGE FEE; C-TTL CSH ASSTS;
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103 REM C5-TTL CSH ASSTS (TEMP); C(I)-CHNG IN STK VAL; D-TTL ASSTS;
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104 REM E1,E2-LRG CHNG MISC; I-STCK #; I1,I2-STCKS W LRG CHNG;
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105 REM N1,N2-LRG CHNG DAY CNTS; P5-TTL DAYS PRCHSS; P(I)-PRTFL CNTNTS;
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106 REM Q9-NEW CYCL?; S4-SGN OF A; S5-TTL DYS SLS; S(I)-VALUE/SHR;
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107 REM T-TTL STCK ASSTS; T5-TTL VAL OF TRNSCTNS;
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108 REM W3-LRG CHNG; X1-SMLL CHNG(<$1); Z4,Z5,Z6-NYSE AVE.; Z(I)-TRNSCTN.
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109 PRINT TAB(20);"THE STOCK MARKET"
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110 DIM S(5),P(5),Z(5),C(5)
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112 REM SLOPE OF MARKET TREND:A (SAME FOR ALL STOCKS)
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113 RANDOMIZE
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114 LET A=INT((RND(X)/10)*100+.5)/100
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115 LET T5=0
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116 LET X9=0
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117 LET N1=0
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118 LET N2=0
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119 LET E1=0
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120 LET E2=0
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121 REM INTRODUCTION
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122 PRINT "DO YOU WANT THE INSTRUCTIONS (YES-TYPE 1, NO-TYPE 0)";
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123 INPUT Z9
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124 PRINT
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125 PRINT
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126 IF Z9<1 THEN 200
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130 PRINT "THIS PROGRAM PLAYS THE STOCK MARKET. YOU WILL BE GIVEN"
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132 PRINT "$10,000 AND MAY BUY OR SELL STOCKS. THE STOCK PRICES WILL"
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134 PRINT "BE GENERATED RANDOMLY AND THEREFORE THIS MODEL DOES NOT"
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135 PRINT "REPRESENT EXACTLY WHAT HAPPENS ON THE EXCHANGE. A TABLE"
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136 PRINT "OF AVAILABLE STOCKS, THEIR PRICES, AND THE NUMBER OF SHARES"
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137 PRINT "IN YOUR PORTFOLIO WILL BE PRINTED. FOLLOWING THIS, THE"
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138 PRINT "INITIALS OF EACH STOCK WILL BE PRINTED WITH A QUESTION"
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139 PRINT "MARK. HERE YOU INDICATE A TRANSACTION. TO BUY A STOCK"
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140 PRINT "TYPE +NNN, TO SELL A STOCK TYPE -NNN, WHERE NNN IS THE"
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141 PRINT "NUMBER OF SHARES. A BROKERAGE FEE OF 1% WILL BE CHARGED"
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142 PRINT "ON ALL TRANSACTIONS. NOTE THAT IF A STOCK'S VALUE DROPS"
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143 PRINT "TO ZERO IT MAY REBOUND TO A POSITIVE VALUE AGAIN. YOU"
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144 PRINT "HAVE $10,000 TO INVEST. USE INTEGERS FOR ALL YOUR INPUTS."
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145 PRINT "(NOTE: TO GET A 'FEEL' FOR THE MARKET RUN FOR AT LEAST"
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146 PRINT "10 DAYS)"
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147 PRINT "-----GOOD LUCK!-----"
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200 REM GENERATION OF STOCK TABLE; INPUT REQUESTS
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210 REM INITIAL STOCK VALUES
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220 LET S(1)=100
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230 LET S(2)=85
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240 LET S(3)=150
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250 LET S(4)=140
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260 LET S(5)=110
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265 REM INITIAL T8 - # DAYS FOR FIRST TREND SLOPE (A)
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266 LET T8=INT(4.99*RND(X)+1)
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267 REM RANDOMIZE SIGN OF FIRST TREND SLOPE (A)
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268 IF RND(X)>.5 THEN 270
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269 LET A=-A
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270 REM RANDOMIZE INITIAL VALUES
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280 GOSUB 830
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285 REM INITIAL PORTFOLIO CONTENTS
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290 FOR I=1 TO 5
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300 LET P(I)=0
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305 LET Z(I)=0
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310 NEXT I
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320 PRINT
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330 PRINT
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333 REM INITIALIZE CASH ASSETS:C
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335 LET C=10000
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338 REM PRINT INITIAL PORTFOLIO
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340 PRINT "STOCK"," ","INITIALS","PRICE/SHARE"
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350 PRINT "INT. BALLISTIC MISSILES"," IBM",S(1)
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352 PRINT "RED CROSS OF AMERICA"," RCA",S(2)
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354 PRINT "LICHTENSTEIN, BUMRAP & JOKE"," LBJ",S(3)
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356 PRINT "AMERICAN BANKRUPT CO."," ABC",S(4)
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358 PRINT "CENSURED BOOKS STORE"," CBS",S(5)
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360 PRINT
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361 REM NYSE AVERAGE:Z5; TEMP. VALUE:Z4; NET CHANGE:Z6
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363 LET Z4=Z5
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364 LET Z5=0
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365 LET T=0
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370 FOR I=1 TO 5
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375 LET Z5=Z5+S(I)
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380 LET T=T+S(I)*P(I)
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390 NEXT I
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391 LET Z5=INT(100*(Z5/5)+.5)/100
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392 LET Z6=INT((Z5-Z4)*100+.5)/100
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393 REM TOTAL ASSETS:D
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394 LET D=T+C
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395 IF X9>0 THEN 398
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396 PRINT "NEW YORK STOCK EXCHANGE AVERAGE: "Z5
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397 GOTO 399
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398 PRINT "NEW YORK STOCK EXCHANGE AVERAGE: "Z5" NET CHANGE: "Z6
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399 PRINT
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400 LET T=INT(100*T+.5)/100
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401 PRINT "TOTAL STOCK ASSETS ARE $";T
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403 LET C=INT(100*C+.5)/100
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405 PRINT "TOTAL CASH ASSETS ARE $";C
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407 LET D=INT(100*D+.5)/100
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408 PRINT "TOTAL ASSETS ARE $";D
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410 PRINT
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411 IF X9=0 THEN 416
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412 PRINT "DO YOU WISH TO CONTINUE (YES-TYPE 1, NO-TYPE 0)";
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413 INPUT Q9
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414 IF Q9<1 THEN 998
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416 REM INPUT TRANSACTIONS
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420 PRINT "WHAT IS YOUR TRANSACTION IN"
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430 PRINT "IBM";
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440 INPUT Z(1)
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450 PRINT "RCA";
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460 INPUT Z(2)
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470 PRINT "LBJ";
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480 INPUT Z(3)
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490 PRINT "ABC";
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500 INPUT Z(4)
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510 PRINT "CBS";
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520 INPUT Z(5)
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525 PRINT
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530 REM TOTAL DAY'S PURCHASES IN $:P5
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540 LET P5=0
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550 REM TOTAL DAY'S SALES IN $:S5
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560 LET S5=0
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570 FOR I=1 TO 5
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575 LET Z(I)=INT(Z(I)+.5)
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580 IF Z(I)<=0 THEN 610
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590 LET P5=P5+Z(I)*S(I)
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600 GOTO 620
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610 LET S5=S5-Z(I)*S(I)
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612 IF -Z(I)<=P(I) THEN 620
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614 PRINT "YOU HAVE OVERSOLD A STOCK; TRY AGAIN."
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616 GOTO 420
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620 NEXT I
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622 REM TOTAL VALUE OF TRANSACTIONS:T5
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625 LET T5=P5+S5
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630 REM BROKERAGE FEE:B5
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640 LET B5=INT(.01*T5*100+.5)/100
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650 REM CASH ASSETS=OLD CASH ASSETS-TOTAL PURCHASES
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652 REM -BROKERAGE FEES+TOTAL SALES:C5
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654 LET C5=C-P5-B5+S5
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656 IF C5>=0 THEN 674
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658 PRINT "YOU HAVE USED $";-C5"MORE THAN YOU HAVE."
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660 GOTO 420
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674 LET C=C5
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675 REM CALCULATE NEW PORTFOLIO
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680 FOR I=1 TO 5
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690 LET P(I)=P(I)+Z(I)
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700 NEXT I
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710 REM CALCULATE NEW STOCK VALUES
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720 GOSUB 830
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750 REM PRINT PORTFOLIO
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751 REM BELL RINGING-DIFFERENT ON MANY COMPUTERS
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752 FOR I=1 TO 20
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753 PRINT CHR$(135);
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754 NEXT I
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755 PRINT
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756 PRINT "********** END OF DAY'S TRADING"
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757 PRINT
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758 PRINT
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759 IF X9<1 THEN 769
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769 PRINT "STOCK","PRICE/SHARE","HOLDINGS","VALUE","NET PRICE CHANGE"
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770 PRINT "IBM", S(1), P(1), S(1)*P(1), C(1)
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771 PRINT "RCA", S(2), P(2), S(2)*P(2), C(2)
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772 PRINT "LBJ", S(3), P(3), S(3)*P(3), C(3)
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773 PRINT "ABC", S(4), P(4), S(4)*P(4), C(4)
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774 PRINT "CBS", S(5), P(5), S(5)*P(5), C(5)
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775 LET X9=1
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780 PRINT
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790 PRINT
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810 GOTO 360
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829 REM NEW STOCK VALUES - SUBROUTINE
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830 REM RANDOMLY PRODUCE NEW STOCK VALUES BASED ON PREVIOUS
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831 REM DAY'S VALUES
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832 REM N1,N2 ARE RANDOM NUMBERS OF DAYS WHICH RESPECTIVELY
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833 REM DETERMINE WHEN STOCK I1 WILL INCREASE 10 PTS. AND STOCK
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834 REM I2 WILL DECREASE 10 PTS.
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840 REM IF N1 DAYS HAVE PASSED, PICK AN I1, SET E1, DETERMINE NEW N1
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841 IF N1>0 THEN 850
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845 LET I1=INT(4.99*RND(X)+1)
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846 LET N1=INT(4.99*RND(X)+1)
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847 LET E1=1
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850 REM IF N2 DAYS HAVE PASSED, PICK AN I2, SET E2, DETERMINE NEW N2
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851 IF N2>0 THEN 860
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855 LET I2=INT(4.99*RND(X)+1)
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856 LET N2=INT(4.99*RND(X)+1)
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857 LET E2=1
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860 REM DEDUCT ONE DAY FROM N1 AND N2
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861 LET N1=N1-1
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862 LET N2=N2-1
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890 REM LOOP THROUGH ALL STOCKS
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900 FOR I=1 TO 5
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910 LET X1=RND(X)
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915 IF X1>.25 THEN 920
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916 LET X1=.25
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917 GOTO 935
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920 IF X1>.50 THEN 925
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921 LET X1=.50
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922 GOTO 935
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925 IF X1>.75 THEN 930
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926 LET X1=.75
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927 GOTO 935
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930 LET X1=0.0
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931 REM BIG CHANGE CONSTANT:W3 (SET TO ZERO INITIALLY)
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935 LET W3=0
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936 IF E1<1 THEN 945
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937 IF INT(I1+.5)<>INT(I+.5) THEN 945
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938 REM ADD 10 PTS. TO THIS STOCK; RESET E1
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939 LET W3=10
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943 LET E1=0
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945 IF E2<1 THEN 955
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947 IF INT(I2+.5)<>INT(I+.5) THEN 955
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948 REM SUBTRACT 10 PTS. FROM THIS STOCK; RESET E2
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949 LET W3=W3-10
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953 LET E2=0
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954 REM C(I) IS CHANGE IN STOCK VALUE
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955 LET C(I)=INT(A*S(I))+X1+INT(3-6*RND(X)+.5)+W3
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956 LET C(I)=INT(100*C(I)+.5)/100
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957 LET S(I)=S(I)+C(I)
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960 IF S(I)>0 THEN 967
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964 LET C(I)=0
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965 LET S(I)=0
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966 GOTO 970
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967 LET S(I)=INT(100*S(I)+.5)/100
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970 NEXT I
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972 REM AFTER T8 DAYS RANDOMLY CHANGE TREND SIGN AND SLOPE
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973 LET T8=T8-1
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974 IF T8<1 THEN 985
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980 RETURN
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985 REM RANDOMLY CHANGE TREND SIGN AND SLOPE (A), AND DURATION
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986 REM OF TREND (T8)
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990 LET T8=INT(4.99*RND(X)+1)
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992 LET A=INT((RND(X)/10)*100+.5)/100
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993 LET S4=RND(X)
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994 IF S4<=.5 THEN 997
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995 LET A=-A
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997 RETURN
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998 PRINT "HOPE YOU HAD FUN!!"
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999 END
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