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March 7, 2018 21:01
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Simple text-based limit order vizualizer
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| import math | |
| def vizOr(): | |
| ''' | |
| The buy orders are shown as a plus (+) sign, | |
| the sell orders are shown as a minus (-) sign. | |
| Obviously, you would want to provide a live | |
| market price and list of your orders to the | |
| function. | |
| ''' | |
| markP = 100 # Set the market price | |
| consoleWidth = 80 # Width of your console | |
| pList = [97.5, 91, 101.5, 90, 130.25] # A list of prices of all your limit orders; both buys and sells. | |
| strBuy =''; strSell = '' | |
| maxChar = consoleWidth - 2*len(pList) - 3*len(str(markP)) - 6 # Adjusts maxChar to ensure the text stays on 1 line | |
| if len(pList) > 0: | |
| pList.append(markP) | |
| pList.sort() | |
| minP = min(pList); maxP = max(pList); pRange = maxP - minP | |
| for i in range(0, len(pList) - 1): | |
| if pList[i] < markP: | |
| strBuy = strBuy + '+' + ' ' * round(maxChar*(pList[i + 1] - pList[i])/pRange) | |
| elif pList[i] == markP: | |
| strSell = strSell + str(markP) + ' ' * round(maxChar*(pList[i + 1] - pList[i])/pRange) | |
| elif pList[i] > markP: | |
| strSell = strSell + '-' + ' ' * round(maxChar*(pList[i + 1] - pList[i])/pRange) | |
| if minP < markP: strBuy = ' ' + str(math.floor(minP)) + ' ' + strBuy | |
| if maxP > markP: strSell = strSell + '-' + ' ' + str(math.ceil(maxP)) | |
| print('\n'*2 + strBuy + strSell + '\n'*2) | |
| else: print('No open orders....') | |
| #end |
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This is what the output from above will look like...