U.S. Energy Information Administration
Isobutylene
EIA petroleum sum snd data for Isobutylene.
Series
12
normalized EIA series
Observations
1,260
records in the database
Latest record
28 Feb 2026
newest observation
Cadences
2
annual, monthly
Stale petroleum series
6 of 12 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. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlyU.S.Stalemonthly69 MBBL28 Feb 2026 · 194 rows
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlyPADD 1Stalemonthly69 MBBL28 Feb 2026 · 194 rows
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlyPADD 2Stalemonthly0 MBBL28 Feb 2026 · 194 rows
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlyPADD 3Stalemonthly0 MBBL28 Feb 2026 · 194 rows
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlyPADD 4Stalemonthly0 MBBL28 Feb 2026 · 194 rows
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlyPADD 5Stalemonthly0 MBBL28 Feb 2026 · 194 rows
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-annualU.S.annual27 MBBL31 Dec 2025 · 16 rows
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-annualPADD 1annual11 MBBL31 Dec 2025 · 16 rows
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-annualPADD 2annual0 MBBL31 Dec 2025 · 16 rows
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-annualPADD 3annual16 MBBL31 Dec 2025 · 16 rows
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-annualPADD 4annual0 MBBL31 Dec 2025 · 16 rows
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-annualPADD 5annual0 MBBL31 Dec 2025 · 16 rows
Latest observations
Recent records
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly69 MBBL28 Feb 2026
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly69 MBBL28 Feb 2026
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL28 Feb 2026
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly0 MBBL28 Feb 2026
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL28 Feb 2026
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL28 Feb 2026
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly19 MBBL31 Jan 2026
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly19 MBBL31 Jan 2026
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL31 Jan 2026
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly0 MBBL31 Jan 2026
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL31 Jan 2026
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL31 Jan 2026
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-annualannual27 MBBL31 Dec 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly27 MBBL31 Dec 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-annualannual11 MBBL31 Dec 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly11 MBBL31 Dec 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-annualannual0 MBBL31 Dec 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL31 Dec 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-annualannual16 MBBL31 Dec 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly16 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-annualannual0 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL31 Dec 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-annualannual0 MBBL31 Dec 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL31 Dec 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly14 MBBL30 Nov 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly9 MBBL30 Nov 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL30 Nov 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly5 MBBL30 Nov 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL30 Nov 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL30 Nov 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly19 MBBL31 Oct 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly12 MBBL31 Oct 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL31 Oct 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly7 MBBL31 Oct 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL31 Oct 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL31 Oct 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly19 MBBL30 Sept 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly13 MBBL30 Sept 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL30 Sept 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly6 MBBL30 Sept 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL30 Sept 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL30 Sept 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly22 MBBL31 Aug 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly16 MBBL31 Aug 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL31 Aug 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly6 MBBL31 Aug 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL31 Aug 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL31 Aug 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly34 MBBL31 Jul 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly27 MBBL31 Jul 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL31 Jul 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly7 MBBL31 Jul 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL31 Jul 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL31 Jul 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly30 MBBL30 Jun 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly19 MBBL30 Jun 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL30 Jun 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly11 MBBL30 Jun 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL30 Jun 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL30 Jun 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly25 MBBL31 May 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly20 MBBL31 May 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL31 May 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly5 MBBL31 May 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL31 May 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL31 May 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly35 MBBL30 Apr 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly30 MBBL30 Apr 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL30 Apr 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly5 MBBL30 Apr 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL30 Apr 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL30 Apr 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly38 MBBL31 Mar 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly22 MBBL31 Mar 2025
Midwest (PADD 2) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r20-mbbl-monthlymonthly0 MBBL31 Mar 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r30-mbbl-monthlymonthly16 MBBL31 Mar 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r40-mbbl-monthlymonthly0 MBBL31 Mar 2025
West Coast (PADD 5) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r50-mbbl-monthlymonthly0 MBBL31 Mar 2025
U.S. Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-nus-mbbl-monthlymonthly7 MBBL28 Feb 2025
East Coast (PADD 1) Ending Stocks of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-epllbyi-sae-r10-mbbl-monthlymonthly7 MBBL28 Feb 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.