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balance bid price between ask and last

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This commit is contained in:
Janne Sinivirta
2017-09-17 23:21:46 +03:00
parent 989682457e
commit 465dc47b23
3 changed files with 27 additions and 2 deletions
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9
main.py
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@@ -138,6 +138,13 @@ def handle_trade(trade: Trade) -> None:
except ValueError:
logger.exception('Unable to handle open order')
def get_target_bid(ticker) -> float:
""" Calculates bid target between current ask price and last price """
if ticker['ask'] < ticker['last']:
return ticker['ask']
balance = _CONF['bid_strategy']['ask_last_balance']
return ticker['ask'] + balance * (ticker['last'] - ticker['ask'])
def create_trade(stake_amount: float, _exchange: exchange.Exchange) -> Optional[Trade]:
"""
@@ -174,7 +181,7 @@ def create_trade(stake_amount: float, _exchange: exchange.Exchange) -> Optional[
else:
return None
open_rate = exchange.get_ticker(pair)['ask']
open_rate = get_target_bid(exchange.get_ticker(pair))
amount = stake_amount / open_rate
order_id = exchange.buy(pair, open_rate, amount)