1/6/2026

Spot Price Calculations for December

Rover - Based on Gas Daily

Gas Daily - Weekly Weighted Average Prices

Supply Zone

Mainline Zone

Market Zone N

Market Zone S

Eastern Gas, North

Chicago, City Gates

Dawn, Ontario

Mich Con City-Gate

Weekly Average

Columbia Gulf, Mainline

Trunkline, Zone 1A

Weekly Average

12/8/2025

$4.1840

$4.3110

$4.3180

$4.1350

$4.2265

$4.3010

$4.3000

$4.3005

12/15/2025

$4.5070

$4.4910

$4.6390

$4.3920

$4.5155

$4.5120

$4.4980

$4.5050

12/22/2025

$3.5340

$3.6900

$3.8700

$3.5490

$3.7095

$3.6220

$3.6100

$3.6160

12/29/2025

$3.0320

$3.0560

$3.6930

$3.1560

$3.4245

$3.1500

$3.1140

$3.1320

$3.8142

$3.8870

$4.1300

$3.8080

$3.8963

$3.8805

Avg. Rate

$3.8142

$3.8870

$3.9690

$3.8884

Lowest Supply

$3.0320

Highest Week

$4.5070

$4.4910

$4.5155

$4.5050