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Date/Time: Sat, 11 May 2024 19:22:45 +0000



Post From: Price discrepency between 2 data suppliers for the price low of Natural Gas cash

[2016-12-28 01:22:55]
User767336 - Posts: 39
You asked why I was not in favor of using SC Continuous Futures Chart data. I'll just copy the wording you use in describing it ...

Using Continuous Futures Contract Charts

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The Continuous Contract options are a very powerful feature that activates the Continuous Futures Contract chart feature for both Historical and Intraday charts.

When one of the Continuous Contract options is selected other than None, the chart will load in historical futures contracts going back from the futures contract specified with the Symbol setting in the chart and based upon the Use Number of Days to Load or Use Date Range settings in the Chart Settings window.

Automatic back adjustment of data is supported.

The Continuous Futures Contract Chart feature is only for futures contracts. It is not for any other kind of market. It will not have any effect with stock, cash index, or market statistics symbols. Therefore, do not use it with these symbols because it is completely unnecessary and adds unnecessary messages to the Message Log.

My concern is ... how complicated can this "back adjustment of data" become? You say it is automatic ... is there a standardized calculation that applies to every commodity ... or is it trial and error for each one? Also of concern is price differentials between the continuous charts and cash. Since I started this whole debate in regards to Natural Gas price differentials, lets compare monthly charts between continuous NG#. and NGY00 cash ...

NG# chart shows a high close at 13.90 in Sept. 2005, a spike high at 15.80 in Dec. 2005, and recent major low at 1.61 in March 2016 ... range = 14.19
NGY00 cash shows a high close @ 15.00 in Sept. 2005, a spike high at 15.41 in Dec. 2005, and recent major low at 1.49 in March 2016 ... range = 13.92
------- ----- ----- -----
1.10 0.39 0.12 0.27

So many of the price projections and retracements I use involve the range between highs and lows of various waves within the structure to establish targets ... and if the range was the same, It wouldn't matter which method a person used. I have not tried NG yet in the Continuous Futures Contract Charts that you recommended earlier today, in order to see how it compares to prices obtained by NG# continuous yet. Maybe at the end of it all, one should just stick to one method.