code: def create_daily_trade_source(sids,
                                sim_params,
                                asset_finder,
                                trading_calendar):
      
      return create_trade_source(
          sids,
          timedelta(days=1),
          sim_params,
          asset_finder,
          trading_calendar=trading_calendar,
      )
docs: creates trade_count trades for each sid in sids list.
      first trade will be on sim_params.start_session, and daily
      thereafter for each sid. Thus, two sids should result in two trades per
      day.