U.S. Energy Information Administration
Refinery Olefins
EIA petroleum sum snd data for Refinery Olefins .
Series
24
normalized EIA series
Observations
2,556
records in the database
Latest record
31 May 2026
newest observation
Cadences
2
annual, monthly
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
U.S. Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbld-monthlyU.S.monthly3 MBBL/D31 May 2026 · 197 rows
U.S. Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbl-monthlyU.S.monthly98 MBBL31 May 2026 · 197 rows
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbld-monthlyPADD 1monthly-1 MBBL/D31 May 2026 · 197 rows
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbl-monthlyPADD 1monthly-23 MBBL31 May 2026 · 197 rows
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbld-monthlyPADD 2monthly0 MBBL/D31 May 2026 · 197 rows
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbl-monthlyPADD 2monthly5 MBBL31 May 2026 · 197 rows
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbld-monthlyPADD 3monthly2 MBBL/D31 May 2026 · 197 rows
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbl-monthlyPADD 3monthly47 MBBL31 May 2026 · 197 rows
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbld-monthlyPADD 4monthly0 MBBL/D31 May 2026 · 197 rows
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbl-monthlyPADD 4monthly12 MBBL31 May 2026 · 197 rows
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbld-monthlyPADD 5monthly2 MBBL/D31 May 2026 · 197 rows
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbl-monthlyPADD 5monthly57 MBBL31 May 2026 · 197 rows
U.S. Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbl-annualU.S.annual-5 MBBL31 Dec 2025 · 16 rows
U.S. Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbld-annualU.S.annual0 MBBL/D31 Dec 2025 · 16 rows
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbl-annualPADD 1annual-120 MBBL31 Dec 2025 · 16 rows
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbld-annualPADD 1annual0 MBBL/D31 Dec 2025 · 16 rows
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbl-annualPADD 2annual25 MBBL31 Dec 2025 · 16 rows
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbld-annualPADD 2annual0 MBBL/D31 Dec 2025 · 16 rows
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbl-annualPADD 3annual96 MBBL31 Dec 2025 · 16 rows
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbld-annualPADD 3annual0 MBBL/D31 Dec 2025 · 16 rows
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbl-annualPADD 4annual-3 MBBL31 Dec 2025 · 16 rows
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbld-annualPADD 4annual0 MBBL/D31 Dec 2025 · 16 rows
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbl-annualPADD 5annual-3 MBBL31 Dec 2025 · 16 rows
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbld-annualPADD 5annual0 MBBL/D31 Dec 2025 · 16 rows
Latest observations
Recent records
U.S. Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbld-monthlymonthly3 MBBL/D31 May 2026
U.S. Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbl-monthlymonthly98 MBBL31 May 2026
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbld-monthlymonthly-1 MBBL/D31 May 2026
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbl-monthlymonthly-23 MBBL31 May 2026
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbld-monthlymonthly0 MBBL/D31 May 2026
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbl-monthlymonthly5 MBBL31 May 2026
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbld-monthlymonthly2 MBBL/D31 May 2026
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbl-monthlymonthly47 MBBL31 May 2026
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbld-monthlymonthly0 MBBL/D31 May 2026
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbl-monthlymonthly12 MBBL31 May 2026
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbld-monthlymonthly2 MBBL/D31 May 2026
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbl-monthlymonthly57 MBBL31 May 2026
U.S. Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbld-monthlymonthly2 MBBL/D30 Apr 2026
U.S. Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbl-monthlymonthly62 MBBL30 Apr 2026
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbld-monthlymonthly3 MBBL/D30 Apr 2026
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbl-monthlymonthly80 MBBL30 Apr 2026
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbld-monthlymonthly2 MBBL/D30 Apr 2026
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbl-monthlymonthly50 MBBL30 Apr 2026
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbld-monthlymonthly-1 MBBL/D30 Apr 2026
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbl-monthlymonthly-35 MBBL30 Apr 2026
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbld-monthlymonthly-2 MBBL/D30 Apr 2026
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbl-monthlymonthly-53 MBBL30 Apr 2026
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbld-monthlymonthly1 MBBL/D30 Apr 2026
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbl-monthlymonthly20 MBBL30 Apr 2026
U.S. Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbld-monthlymonthly6 MBBL/D31 Mar 2026
U.S. Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbl-monthlymonthly192 MBBL31 Mar 2026
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbld-monthlymonthly-2 MBBL/D31 Mar 2026
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbl-monthlymonthly-77 MBBL31 Mar 2026
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbld-monthlymonthly1 MBBL/D31 Mar 2026
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbl-monthlymonthly30 MBBL31 Mar 2026
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbld-monthlymonthly9 MBBL/D31 Mar 2026
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbl-monthlymonthly285 MBBL31 Mar 2026
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbld-monthlymonthly2 MBBL/D31 Mar 2026
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbl-monthlymonthly58 MBBL31 Mar 2026
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbld-monthlymonthly-3 MBBL/D31 Mar 2026
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbl-monthlymonthly-104 MBBL31 Mar 2026
U.S. Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbld-monthlymonthly-24 MBBL/D28 Feb 2026
U.S. Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbl-monthlymonthly-682 MBBL28 Feb 2026
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbld-monthlymonthly1 MBBL/D28 Feb 2026
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbl-monthlymonthly35 MBBL28 Feb 2026
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbld-monthlymonthly-1 MBBL/D28 Feb 2026
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbl-monthlymonthly-27 MBBL28 Feb 2026
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbld-monthlymonthly-24 MBBL/D28 Feb 2026
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbl-monthlymonthly-659 MBBL28 Feb 2026
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbld-monthlymonthly-2 MBBL/D28 Feb 2026
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbl-monthlymonthly-66 MBBL28 Feb 2026
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbld-monthlymonthly1 MBBL/D28 Feb 2026
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbl-monthlymonthly35 MBBL28 Feb 2026
U.S. Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbld-monthlymonthly5 MBBL/D31 Jan 2026
U.S. Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbl-monthlymonthly168 MBBL31 Jan 2026
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbld-monthlymonthly1 MBBL/D31 Jan 2026
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbl-monthlymonthly38 MBBL31 Jan 2026
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbld-monthlymonthly-5 MBBL/D31 Jan 2026
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbl-monthlymonthly-166 MBBL31 Jan 2026
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbld-monthlymonthly5 MBBL/D31 Jan 2026
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbl-monthlymonthly162 MBBL31 Jan 2026
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbld-monthlymonthly2 MBBL/D31 Jan 2026
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbl-monthlymonthly61 MBBL31 Jan 2026
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbld-monthlymonthly2 MBBL/D31 Jan 2026
West Coast (PADD 5) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r50-mbbl-monthlymonthly73 MBBL31 Jan 2026
U.S. Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbl-annualannual-5 MBBL31 Dec 2025
U.S. Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbld-annualannual0 MBBL/D31 Dec 2025
U.S. Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbld-monthlymonthly-12 MBBL/D31 Dec 2025
U.S. Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-nus-mbbl-monthlymonthly-377 MBBL31 Dec 2025
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbl-annualannual-120 MBBL31 Dec 2025
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbld-annualannual0 MBBL/D31 Dec 2025
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbld-monthlymonthly-2 MBBL/D31 Dec 2025
East Coast (PADD 1) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r10-mbbl-monthlymonthly-55 MBBL31 Dec 2025
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbl-annualannual25 MBBL31 Dec 2025
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbld-annualannual0 MBBL/D31 Dec 2025
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbld-monthlymonthly0 MBBL/D31 Dec 2025
Midwest (PADD 2) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r20-mbbl-monthlymonthly-13 MBBL31 Dec 2025
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbl-annualannual96 MBBL31 Dec 2025
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbld-annualannual0 MBBL/D31 Dec 2025
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbld-monthlymonthly-3 MBBL/D31 Dec 2025
Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r30-mbbl-monthlymonthly-97 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbl-annualannual-3 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbld-annualannual0 MBBL/D31 Dec 2025
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbld-monthlymonthly-1 MBBL/D31 Dec 2025
Rocky Mountain (PADD 4) Stock Change of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-scg-r40-mbbl-monthlymonthly-34 MBBL31 Dec 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.