For code/output blocks: Use ``` (aka backtick or grave accent) in a single line before and after the block. See: http://commonmark.org/help/
backtesting error from getvaluesize:
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--------------------------------------------------------------------------- ValueError Traceback (most recent call last) <ipython-input-414-3bfb3089a414> in <module> 11 #cerebro.addanalyzer(bt.analyzers.TradeAnalyzer, _name='myTradesStats') 12 #cerebro.broker.setcommission(commission=0.001) ---> 13 results = cerebro.run() /data/NFS/akhil/python-env/lib64/python3.6/site-packages/backtrader/cerebro.py in run(self, **kwargs) 1125 # let's skip process "spawning" 1126 for iterstrat in iterstrats: -> 1127 runstrat = self.runstrategies(iterstrat) 1128 self.runstrats.append(runstrat) 1129 if self._dooptimize: /data/NFS/akhil/python-env/lib64/python3.6/site-packages/backtrader/cerebro.py in runstrategies(self, iterstrat, predata) 1291 self._runonce_old(runstrats) 1292 else: -> 1293 self._runonce(runstrats) 1294 else: 1295 if self.p.oldsync: /data/NFS/akhil/python-env/lib64/python3.6/site-packages/backtrader/cerebro.py in _runonce(self, runstrats) 1686 return 1687 -> 1688 self._brokernotify() 1689 if self._event_stop: # stop if requested 1690 return /data/NFS/akhil/python-env/lib64/python3.6/site-packages/backtrader/cerebro.py in _brokernotify(self) 1358 notification to the strategy 1359 ''' -> 1360 self._broker.next() 1361 while True: 1362 order = self._broker.get_notification() /data/NFS/akhil/python-env/lib64/python3.6/site-packages/backtrader/brokers/bbroker.py in next(self) 1219 1220 else: -> 1221 self._try_exec(order) 1222 if order.alive(): 1223 self.pending.append(order) /data/NFS/akhil/python-env/lib64/python3.6/site-packages/backtrader/brokers/bbroker.py in _try_exec(self, order) 1065 1066 if order.exectype == Order.Market: -> 1067 self._try_exec_market(order, popen, phigh, plow) 1068 1069 elif order.exectype == Order.Close: /data/NFS/akhil/python-env/lib64/python3.6/site-packages/backtrader/brokers/bbroker.py in _try_exec_market(self, order, popen, phigh, plow) 875 p = self._slip_down(plow, exprice, doslip=self.p.slip_open) 876 --> 877 self._execute(order, ago=0, price=p, dtcoc=dtcoc) 878 879 def _try_exec_close(self, order, pclose): /data/NFS/akhil/python-env/lib64/python3.6/site-packages/backtrader/brokers/bbroker.py in _execute(self, order, ago, price, cash, position, dtcoc) 749 # Adjust to returned value for closed items & acquired opened items 750 if self.p.shortcash: --> 751 closedvalue = comminfo.getvaluesize(-closed, pprice_orig) 752 else: 753 closedvalue = comminfo.getoperationcost(closed, pprice_orig) /data/NFS/akhil/python-env/lib64/python3.6/site-packages/backtrader/comminfo.py in getvaluesize(self, size, price) 210 return abs(size) * self.get_margin(price) 211 --> 212 return size * price 213 214 def getvalue(self, position, price): ValueError: cannot copy sequence with size 1047 to array axis with dimension 8954 Can anyone help with this?