PDOPEN is the previous day open. PDOPEN (though its name suggests a Previous Day) is just a previous candle, so you can use it on any supported time period.
This buy strategy is true when spread is higher/lower than the spread between previous candle open and the current price of current candle of a trading pair.
Use TradingView to visualize this indicator
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PDOPEN_candle_period
positive or negative decimal values.
So previous candle open for ETHBTC was 0.034432
Current bid price is about 0.0356225
So the PDOPEN value is positive (3.45%).
# Buy when price is 0.5% above last candle open price
DEFAULT_D_buy_strategy_label = MYPDOPEN
DEFAULT_D_buy_strategy = PDOPEN
DEFAULT_D_buy_value = 0.5
# Sell when price is 5% above last candle open price
DEFAULT_D_sell_strategy_label = MYPDOPEN
DEFAULT_D_sell_strategy = PDOPEN
DEFAULT_D_sell_value = 5
# Buy when price is -5% below last candle open price
DEFAULT_DCA_D_buy_strategy_label = MYPDOPEN
DEFAULT_DCA_D_buy_strategy = PDOPEN
DEFAULT_DCA_D_buy_value = -5
# Sell when price is 0.1% above last candle open price
DEFAULT_DCA_D_sell_strategy_label = MYPDOPEN
DEFAULT_DCA_D_sell_strategy = PDOPEN
DEFAULT_DCA_D_sell_value = 0.1
# 1 hour candle / timeframe
MYPDOPEN_candle_period = 3600