FinRL Meta Envs

WHENWhen implementing data download from external providers

ACTIONValidate date format as YYYY-MM-DD using check_date function before processing

CONSEQUENCEInvalid date format causes downstream data processing failures, leading to incorrect trading signals or environment simulation errors

WHENWhen initializing data processor for a specific ticker list

ACTIONMap ticker to correct exchange timezone via calc_time_zone to prevent market hour misalignment

CONSEQUENCETimezone misalignment causes data timestamps to fall outside market hours, producing incorrect OHLCV data or empty datasets

WHENWhen cleaning data from any provider

ACTIONStandardize column names to required schema: time, tic, open, high, low, close, volume

CONSEQUENCEInconsistent column names cause downstream pipeline failures in feature engineering and environment simulation stages