Save for later Print Download Share LinkedIn Twitter Key Weekly Spot Prices Flow Dates: 8/10/2021 - 8/16/2021 ($/MMBtu) Chg. High Low Henry Hub 4.05 -0.02 4.19 3.85 Transco Z6 - NY 4.05 0.32 4.15 3.88 Algonquin 4.33 0.44 4.95 3.65 Chicago Citygate 3.88 -0.14 4.06 3.77 NNG Ventura 3.75 -0.16 3.96 3.64 Waha Hub 3.81 -0.06 4.05 3.65 Katy Hub 3.94 -0.12 4.05 3.85 SoCal Border 4.76 -0.77 6.73 3.88 NW Rockies 3.68 -0.22 3.84 3.62 NW Sumas 3.65 -0.19 3.83 3.50 AECO 2.03 -0.69 2.59 1.08