looking over the historical Cash$ prices 01/04/18 -2.46 @4.42 https://www.investing.com/commodities/natural-gas-contracts?page=chart&symbol=NGY00 Density Max * Week * shaded * 2012-current https://www.investing.com/commodities/natural-gas-contracts?page=chart&symbol=NGY00&domain=futurespros&display_ice=1&enabled_ice_exchanges=&sym=NGY00&width=550&tblwidth=550&studies=Volume%3B&cancelstudy=&type=AREA&size=L&density=X&a=W Density Max * Month * shaded * 1994-current https://www.investing.com/commodities/natural-gas-contracts?page=chart&symbol=NGY00&domain=futurespros&display_ice=1&enabled_ice_exchanges=&sym=NGY00&width=550&tblwidth=550&studies=Volume%3B&cancelstudy=&type=AREA&size=L&a=M&density=X