This is the same as the 2-Commodity Spread Chart program with an additional commodity and month.

1. Pick the commodities and the months. The contracts are aligned so that Commodity 1 expires before Commodity 2 which expires before Commodity 3.

2. Select the positions.

3. Enter the unit moves if these are different than the contracts you are trading (these inputs display only for intercommodity spreads.

4. Select the type and amount of data to download. Using weekly closes rather than daily closes increases the download speed considerably.

5. Select the chart type. The jpegs are faster; the applets are interactive (zooming in is possible and there are data popups).

6. Press "Get Chart". There's a lot of data to download, so be patient.

This is a limited set of commodities available to nonsubscribers. Subscribers can access data for over 40 commodities.