PDCLOSE is the previous day close. PDCLOSE (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 close and the current price of current candle of a trading pair.
Use Tradingview to visualize this indicator
View on Tradingview
PDCLOSE_candle_period
So previous candle close for ETHBTC was 0.034432
Current bid price is about 0.0356225
So the PDCLOSE value is positive (3.45%).
# Buy when price is 0.5% above last candle close price
DEFAULT_D_buy_strategy_label = MYPDCLOSE
DEFAULT_D_buy_strategy = PDCLOSE
DEFAULT_D_buy_value = 0.5
# Sell when price is 5% above last candle close price
DEFAULT_D_sell_strategy_label = MYPDCLOSE
DEFAULT_D_sell_strategy = PDCLOSE
DEFAULT_D_sell_value = 5
# Buy when price is -5% below last candle close price
DEFAULT_DCA_D_buy_strategy_label = MYPDCLOSE
DEFAULT_DCA_D_buy_strategy = PDCLOSE
DEFAULT_DCA_D_buy_value = -5
# Sell when price is 0.1% above last candle close price
DEFAULT_DCA_D_sell_strategy_label = MYPDCLOSE
DEFAULT_DCA_D_sell_strategy = PDCLOSE
DEFAULT_DCA_D_sell_value = 0.1
# 1 hour candle / timeframe
MYPDCLOSE_candle_period = 3600