AECO "C" AND N.I.T. BID-WEEK ONE MONTH SPOT PRICE

Analyzing and compiling data for the creation of indices which calculate pricing measures for commodities markets according to detailed transactions and weighted samples of bid-offer spreads for the natural gas markets; providing indices which calculate pricing measures for commodities marks according to a detailed formula, namely, weighted averages of transactions, simple averages of transactions and weighted samples of bid-offer spreads for the natural gas markets