- DAILY GPI
- MEXICO GPI
- SHALE DAILY
- *New* NGI's MidDay Price Alert
- Price Data "Learn More"
- Gas Price "Snapshots"
- Bidweek Alert Data
- Shale Gas Prices (subscriber-only)
- NGI Price Index Methodology (pdf)
- *New* NGI Shale Price Index Methodology (pdf)
- *New* Feb. 24 2016 Proposed Change to Price Methodology
- NGI Datafeed Spec and Automation
- NGI Price Index Change Notice - Aug. 1
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