U.S. Energy Information Administration
Isobutylene
EIA petroleum sum snd data for Isobutylene.
Series
24
normalized EIA series
Observations
2,520
records in the database
Latest record
28 Feb 2026
newest observation
Cadences
2
annual, monthly
Stale petroleum series
12 of 24 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
U.S. Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbld-monthlyU.S.Stalemonthly2 MBBL/D28 Feb 2026 · 194 rows
U.S. Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbl-monthlyU.S.Stalemonthly50 MBBL28 Feb 2026 · 194 rows
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbld-monthlyPADD 1Stalemonthly2 MBBL/D28 Feb 2026 · 194 rows
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbl-monthlyPADD 1Stalemonthly50 MBBL28 Feb 2026 · 194 rows
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbld-monthlyPADD 2Stalemonthly0 MBBL/D28 Feb 2026 · 194 rows
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbl-monthlyPADD 2Stalemonthly0 MBBL28 Feb 2026 · 194 rows
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbld-monthlyPADD 3Stalemonthly0 MBBL/D28 Feb 2026 · 194 rows
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbl-monthlyPADD 3Stalemonthly0 MBBL28 Feb 2026 · 194 rows
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbld-monthlyPADD 4Stalemonthly0 MBBL/D28 Feb 2026 · 194 rows
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbl-monthlyPADD 4Stalemonthly0 MBBL28 Feb 2026 · 194 rows
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbld-monthlyPADD 5Stalemonthly0 MBBL/D28 Feb 2026 · 194 rows
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbl-monthlyPADD 5Stalemonthly0 MBBL28 Feb 2026 · 194 rows
U.S. Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbl-annualU.S.annual-34 MBBL31 Dec 2025 · 16 rows
U.S. Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbld-annualU.S.annual0 MBBL/D31 Dec 2025 · 16 rows
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbl-annualPADD 1annual-33 MBBL31 Dec 2025 · 16 rows
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbld-annualPADD 1annual0 MBBL/D31 Dec 2025 · 16 rows
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbl-annualPADD 2annual0 MBBL31 Dec 2025 · 16 rows
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbld-annualPADD 2annual0 MBBL/D31 Dec 2025 · 16 rows
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbl-annualPADD 3annual-1 MBBL31 Dec 2025 · 16 rows
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbld-annualPADD 3annual0 MBBL/D31 Dec 2025 · 16 rows
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbl-annualPADD 4annual0 MBBL31 Dec 2025 · 16 rows
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbld-annualPADD 4annual0 MBBL/D31 Dec 2025 · 16 rows
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbl-annualPADD 5annual0 MBBL31 Dec 2025 · 16 rows
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbld-annualPADD 5annual0 MBBL/D31 Dec 2025 · 16 rows
Latest observations
Recent records
U.S. Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbld-monthlymonthly2 MBBL/D28 Feb 2026
U.S. Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbl-monthlymonthly50 MBBL28 Feb 2026
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbld-monthlymonthly2 MBBL/D28 Feb 2026
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbl-monthlymonthly50 MBBL28 Feb 2026
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbld-monthlymonthly0 MBBL/D28 Feb 2026
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbl-monthlymonthly0 MBBL28 Feb 2026
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbld-monthlymonthly0 MBBL/D28 Feb 2026
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbl-monthlymonthly0 MBBL28 Feb 2026
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbld-monthlymonthly0 MBBL/D28 Feb 2026
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbl-monthlymonthly0 MBBL28 Feb 2026
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbld-monthlymonthly0 MBBL/D28 Feb 2026
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbl-monthlymonthly0 MBBL28 Feb 2026
U.S. Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbld-monthlymonthly0 MBBL/D31 Jan 2026
U.S. Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbl-monthlymonthly-8 MBBL31 Jan 2026
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbld-monthlymonthly0 MBBL/D31 Jan 2026
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbl-monthlymonthly8 MBBL31 Jan 2026
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbld-monthlymonthly0 MBBL/D31 Jan 2026
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbl-monthlymonthly0 MBBL31 Jan 2026
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbld-monthlymonthly-1 MBBL/D31 Jan 2026
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbl-monthlymonthly-16 MBBL31 Jan 2026
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbld-monthlymonthly0 MBBL/D31 Jan 2026
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbl-monthlymonthly0 MBBL31 Jan 2026
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbld-monthlymonthly0 MBBL/D31 Jan 2026
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbl-monthlymonthly0 MBBL31 Jan 2026
U.S. Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbl-annualannual-34 MBBL31 Dec 2025
U.S. Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbld-annualannual0 MBBL/D31 Dec 2025
U.S. Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbld-monthlymonthly0 MBBL/D31 Dec 2025
U.S. Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbl-monthlymonthly13 MBBL31 Dec 2025
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbl-annualannual-33 MBBL31 Dec 2025
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbld-annualannual0 MBBL/D31 Dec 2025
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbld-monthlymonthly0 MBBL/D31 Dec 2025
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbl-monthlymonthly2 MBBL31 Dec 2025
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbl-annualannual0 MBBL31 Dec 2025
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbld-annualannual0 MBBL/D31 Dec 2025
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbld-monthlymonthly0 MBBL/D31 Dec 2025
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbl-monthlymonthly0 MBBL31 Dec 2025
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbl-annualannual-1 MBBL31 Dec 2025
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbld-annualannual0 MBBL/D31 Dec 2025
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbld-monthlymonthly0 MBBL/D31 Dec 2025
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbl-monthlymonthly11 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbl-annualannual0 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbld-annualannual0 MBBL/D31 Dec 2025
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbld-monthlymonthly0 MBBL/D31 Dec 2025
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbl-monthlymonthly0 MBBL31 Dec 2025
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbl-annualannual0 MBBL31 Dec 2025
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbld-annualannual0 MBBL/D31 Dec 2025
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbld-monthlymonthly0 MBBL/D31 Dec 2025
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbl-monthlymonthly0 MBBL31 Dec 2025
U.S. Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbld-monthlymonthly0 MBBL/D30 Nov 2025
U.S. Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbl-monthlymonthly-5 MBBL30 Nov 2025
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbld-monthlymonthly0 MBBL/D30 Nov 2025
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbl-monthlymonthly-3 MBBL30 Nov 2025
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbld-monthlymonthly0 MBBL/D30 Nov 2025
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbl-monthlymonthly0 MBBL30 Nov 2025
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbld-monthlymonthly0 MBBL/D30 Nov 2025
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbl-monthlymonthly-2 MBBL30 Nov 2025
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbld-monthlymonthly0 MBBL/D30 Nov 2025
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbl-monthlymonthly0 MBBL30 Nov 2025
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbld-monthlymonthly0 MBBL/D30 Nov 2025
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbl-monthlymonthly0 MBBL30 Nov 2025
U.S. Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbld-monthlymonthly0 MBBL/D31 Oct 2025
U.S. Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbl-monthlymonthly0 MBBL31 Oct 2025
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbld-monthlymonthly0 MBBL/D31 Oct 2025
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbl-monthlymonthly-1 MBBL31 Oct 2025
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbld-monthlymonthly0 MBBL/D31 Oct 2025
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbl-monthlymonthly0 MBBL31 Oct 2025
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbld-monthlymonthly0 MBBL/D31 Oct 2025
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbl-monthlymonthly1 MBBL31 Oct 2025
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbld-monthlymonthly0 MBBL/D31 Oct 2025
Rocky Mountain (PADD 4) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r40-mbbl-monthlymonthly0 MBBL31 Oct 2025
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbld-monthlymonthly0 MBBL/D31 Oct 2025
West Coast (PADD 5) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r50-mbbl-monthlymonthly0 MBBL31 Oct 2025
U.S. Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbld-monthlymonthly0 MBBL/D30 Sept 2025
U.S. Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-nus-mbbl-monthlymonthly-3 MBBL30 Sept 2025
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbld-monthlymonthly0 MBBL/D30 Sept 2025
East Coast (PADD 1) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r10-mbbl-monthlymonthly-3 MBBL30 Sept 2025
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbld-monthlymonthly0 MBBL/D30 Sept 2025
Midwest (PADD 2) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r20-mbbl-monthlymonthly0 MBBL30 Sept 2025
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbld-monthlymonthly0 MBBL/D30 Sept 2025
Gulf Coast (PADD 3) Stock Change of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-scg-r30-mbbl-monthlymonthly0 MBBL30 Sept 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.