U.S. Energy Information Administration
Naphtha for Petrochemical Feedstock Use
EIA petroleum stoc ref data for Naphtha for Petrochemical Feedstock Use.
Series
16
normalized EIA series
Observations
204
records in the database
Latest record
31 Mar 2026
newest observation
Cadences
2
annual, monthly
Stale petroleum series
1 of 16 series for this product have not updated within their expected cadence. They remain available for historical analysis.
Series chart
Selected series performance
Latest
No value
No observation
Change
No prior value
No prior value
52W high
No value
No observation
52W low
No value
No observation
ATH
No value
No observation
ATL
No value
No observation
Series
Available petroleum series
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlyNAmonthly399 MBBL31 Mar 2026 · 23 rows
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlyNAmonthly56 MBBL31 Mar 2026 · 23 rows
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlyNAmonthly921 MBBL31 Mar 2026 · 23 rows
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlyNAmonthly354 MBBL31 Mar 2026 · 23 rows
Refining District North Louisiana-Arkansas Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3d1-monthlyNAStalemonthly3 MBBL30 Apr 2025 · 12 rows
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlyPADD 2monthly399 MBBL31 Mar 2026 · 23 rows
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlyPADD 3monthly1,331 MBBL31 Mar 2026 · 23 rows
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlyU.S.monthly1,730 MBBL31 Mar 2026 · 23 rows
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-annualNAannual576 MBBL31 Dec 2025 · 4 rows
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-annualNAannual56 MBBL31 Dec 2025 · 4 rows
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-annualNAannual1,035 MBBL31 Dec 2025 · 4 rows
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-annualNAannual339 MBBL31 Dec 2025 · 4 rows
Refining District North Louisiana-Arkansas Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3d1-annualNAannual3 MBBL31 Dec 2024 · 3 rows
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-annualPADD 2annual576 MBBL31 Dec 2025 · 4 rows
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-annualPADD 3annual1,430 MBBL31 Dec 2025 · 4 rows
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-annualU.S.annual2,006 MBBL31 Dec 2025 · 4 rows
Latest observations
Recent records
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly399 MBBL31 Mar 2026
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly56 MBBL31 Mar 2026
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly921 MBBL31 Mar 2026
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlymonthly354 MBBL31 Mar 2026
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlymonthly399 MBBL31 Mar 2026
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlymonthly1,331 MBBL31 Mar 2026
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlymonthly1,730 MBBL31 Mar 2026
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly487 MBBL28 Feb 2026
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly52 MBBL28 Feb 2026
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly913 MBBL28 Feb 2026
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlymonthly354 MBBL28 Feb 2026
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlymonthly487 MBBL28 Feb 2026
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlymonthly1,319 MBBL28 Feb 2026
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlymonthly1,806 MBBL28 Feb 2026
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly528 MBBL31 Jan 2026
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly50 MBBL31 Jan 2026
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly1,033 MBBL31 Jan 2026
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlymonthly297 MBBL31 Jan 2026
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlymonthly528 MBBL31 Jan 2026
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlymonthly1,380 MBBL31 Jan 2026
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlymonthly1,908 MBBL31 Jan 2026
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-annualannual576 MBBL31 Dec 2025
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly576 MBBL31 Dec 2025
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-annualannual56 MBBL31 Dec 2025
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly56 MBBL31 Dec 2025
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-annualannual1,035 MBBL31 Dec 2025
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly1,035 MBBL31 Dec 2025
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-annualannual339 MBBL31 Dec 2025
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlymonthly339 MBBL31 Dec 2025
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-annualannual576 MBBL31 Dec 2025
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlymonthly576 MBBL31 Dec 2025
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-annualannual1,430 MBBL31 Dec 2025
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlymonthly1,430 MBBL31 Dec 2025
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-annualannual2,006 MBBL31 Dec 2025
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlymonthly2,006 MBBL31 Dec 2025
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly586 MBBL30 Nov 2025
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly51 MBBL30 Nov 2025
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly1,198 MBBL30 Nov 2025
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlymonthly266 MBBL30 Nov 2025
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlymonthly586 MBBL30 Nov 2025
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlymonthly1,515 MBBL30 Nov 2025
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlymonthly2,101 MBBL30 Nov 2025
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly567 MBBL31 Oct 2025
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly54 MBBL31 Oct 2025
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly1,067 MBBL31 Oct 2025
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlymonthly332 MBBL31 Oct 2025
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlymonthly567 MBBL31 Oct 2025
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlymonthly1,453 MBBL31 Oct 2025
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlymonthly2,020 MBBL31 Oct 2025
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly592 MBBL30 Sept 2025
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly48 MBBL30 Sept 2025
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly1,042 MBBL30 Sept 2025
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlymonthly303 MBBL30 Sept 2025
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlymonthly592 MBBL30 Sept 2025
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlymonthly1,393 MBBL30 Sept 2025
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlymonthly1,985 MBBL30 Sept 2025
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly487 MBBL31 Aug 2025
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly58 MBBL31 Aug 2025
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly976 MBBL31 Aug 2025
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlymonthly253 MBBL31 Aug 2025
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlymonthly487 MBBL31 Aug 2025
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlymonthly1,287 MBBL31 Aug 2025
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlymonthly1,774 MBBL31 Aug 2025
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly512 MBBL31 Jul 2025
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly56 MBBL31 Jul 2025
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly1,181 MBBL31 Jul 2025
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlymonthly374 MBBL31 Jul 2025
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlymonthly512 MBBL31 Jul 2025
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlymonthly1,611 MBBL31 Jul 2025
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlymonthly2,123 MBBL31 Jul 2025
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly495 MBBL30 Jun 2025
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly48 MBBL30 Jun 2025
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly1,239 MBBL30 Jun 2025
Refining District Louisiana Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3c1-monthlymonthly314 MBBL30 Jun 2025
Midwest (PADD 2) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp21-monthlymonthly495 MBBL30 Jun 2025
Gulf Coast (PADD 3) Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsp31-monthlymonthly1,601 MBBL30 Jun 2025
U.S. Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrsus1-monthlymonthly2,096 MBBL30 Jun 2025
Refining District Indiana-Illinois-Kentucky Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs2a1-monthlymonthly416 MBBL31 May 2025
Refining District Texas Inland Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3a1-monthlymonthly54 MBBL31 May 2025
Refining District Texas Gulf Coast Naphtha for Petrochemical Feedstock Use Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-ref-mnfrs3b1-monthlymonthly1,048 MBBL31 May 2025
Sources and methodology
Source: U.S. Energy Information Administration (EIA) Open Data. Petroleum series include the cadence, product group, process, and geography published by EIA. World Price Index normalizes source data for charting and API access and does not imply EIA endorsement.