Open market data

Reference prices

The reference layer is built from real cleared trades — transparent and manipulation-resistant. Prices emerge from the day-ahead auction; the operator clears, it does not set prices. The day-ahead hourly price is the reference for both forwards and real-time deviation settlement.

Reference index

Zone Grade Period Index Obs.
US Grade-A Oct 14–Oct 15 8.00 1

Latest day-ahead hourly prices

HourGradePrice
Oct 16 13:00 Grade-A 9.49
Oct 16 13:00 Grade-A 9.36
Oct 16 13:00 Grade-C 4.19
Oct 16 13:00 Grade-C 3.54
Oct 16 13:00 Grade-B 6.91
Oct 16 13:00 Grade-B 6.85
Oct 16 12:00 Grade-C 4.86
Oct 16 12:00 Grade-B 7.17
Oct 16 12:00 Grade-A 9.25
Oct 16 12:00 Grade-C 4.18
Oct 16 12:00 Grade-B 6.58
Oct 16 12:00 Grade-A 8.84
Oct 16 11:00 Grade-C 4.42
Oct 16 11:00 Grade-C 4.29
Oct 16 11:00 Grade-B 6.54
Oct 16 11:00 Grade-A 9.18
Oct 16 11:00 Grade-B 7.07
Oct 16 11:00 Grade-A 9.24
Oct 16 10:00 Grade-A 9.19
Oct 16 09:00 Grade-B 7.07
Oct 16 09:00 Grade-C 4.97
Oct 16 09:00 Grade-B 6.95
Oct 16 09:00 Grade-A 9.38
Oct 16 08:00 Grade-B 7.16

Grade basis to Grade-REF

Grade-REF is the SPH base unit (1.0); each grade settles at a published quality-basis.

GradeBasis factor
Grade-A0.9500
Grade-B0.7500
Grade-C0.5000
Grade-REF1.0000