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Detached #494

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689c5b4
fix: 对resample的整个流程进行了探究，在example.py中添加了'MyResampler'和'MyBar'，能够成功使得数…
EvanHong99 Mar 3, 2024
ed7cd73
bug fix: cash short mode for future like assets
Ch1nZ Apr 17, 2024
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8 changes: 8 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -69,3 +69,11 @@ samples2/
datas/*.py

.idea/
.DS_Store
backtrader/.DS_Store
contrib/.DS_Store
samples/.DS_Store
/datas
/samples
/datas/
/samples/
6 changes: 3 additions & 3 deletions backtrader/comminfo.py
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Expand Up @@ -177,7 +177,7 @@ def get_margin(self, price):
- Use param ``automargin`` * ``price`` if ``automargin > 0``
'''
if not self.p.automargin:
return self.p.margin
return price * self.p.margin

elif self.p.automargin < 0:
return price * self.p.mult
Expand All @@ -192,9 +192,9 @@ def get_leverage(self):
def getsize(self, price, cash):
'''Returns the needed size to meet a cash operation at a given price'''
if not self._stocklike:
return int(self.p.leverage * (cash // self.get_margin(price)))
return self.p.leverage * (cash / self.get_margin(price))

return int(self.p.leverage * (cash // price))
return self.p.leverage * (cash / price)

def getoperationcost(self, size, price):
'''Returns the needed amount of cash an operation would cost'''
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