U.S. Energy Information Administration
Isobutane-Isobutylene
EIA petroleum stoc typ data for Isobutane-Isobutylene.
Series
12
normalized EIA series
Observations
78
records in the database
Latest record
31 Dec 2025
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
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlyPADD 1Stalemonthly195 MBBL31 Dec 2025 · 12 rows
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlyPADD 2Stalemonthly2,075 MBBL31 Dec 2025 · 12 rows
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlyPADD 3Stalemonthly9,774 MBBL31 Dec 2025 · 12 rows
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlyPADD 4Stalemonthly453 MBBL31 Dec 2025 · 12 rows
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlyPADD 5Stalemonthly410 MBBL31 Dec 2025 · 12 rows
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlyU.S.Stalemonthly12,907 MBBL31 Dec 2025 · 12 rows
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-annualPADD 1annual195 MBBL31 Dec 2025 · 1 rows
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-annualPADD 2annual2,075 MBBL31 Dec 2025 · 1 rows
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-annualPADD 3annual9,774 MBBL31 Dec 2025 · 1 rows
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-annualPADD 4annual453 MBBL31 Dec 2025 · 1 rows
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-annualPADD 5annual410 MBBL31 Dec 2025 · 1 rows
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-annualU.S.annual12,907 MBBL31 Dec 2025 · 1 rows
Latest observations
Recent records
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-annualannual195 MBBL31 Dec 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly195 MBBL31 Dec 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-annualannual2,075 MBBL31 Dec 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,075 MBBL31 Dec 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-annualannual9,774 MBBL31 Dec 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly9,774 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-annualannual453 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly453 MBBL31 Dec 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-annualannual410 MBBL31 Dec 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly410 MBBL31 Dec 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-annualannual12,907 MBBL31 Dec 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly12,907 MBBL31 Dec 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly166 MBBL30 Nov 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,256 MBBL30 Nov 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly10,392 MBBL30 Nov 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly453 MBBL30 Nov 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly317 MBBL30 Nov 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly13,584 MBBL30 Nov 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly190 MBBL31 Oct 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,144 MBBL31 Oct 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly10,843 MBBL31 Oct 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly418 MBBL31 Oct 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly372 MBBL31 Oct 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly13,967 MBBL31 Oct 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly125 MBBL30 Sept 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,202 MBBL30 Sept 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly10,430 MBBL30 Sept 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly436 MBBL30 Sept 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly400 MBBL30 Sept 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly13,593 MBBL30 Sept 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly156 MBBL31 Aug 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,254 MBBL31 Aug 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly10,121 MBBL31 Aug 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly461 MBBL31 Aug 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly422 MBBL31 Aug 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly13,414 MBBL31 Aug 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly154 MBBL31 Jul 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,427 MBBL31 Jul 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly9,342 MBBL31 Jul 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly440 MBBL31 Jul 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly382 MBBL31 Jul 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly12,745 MBBL31 Jul 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly162 MBBL30 Jun 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,411 MBBL30 Jun 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly9,209 MBBL30 Jun 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly452 MBBL30 Jun 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly377 MBBL30 Jun 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly12,611 MBBL30 Jun 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly190 MBBL31 May 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,282 MBBL31 May 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly10,144 MBBL31 May 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly448 MBBL31 May 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly329 MBBL31 May 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly13,393 MBBL31 May 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly202 MBBL30 Apr 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,309 MBBL30 Apr 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly10,248 MBBL30 Apr 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly429 MBBL30 Apr 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly400 MBBL30 Apr 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly13,588 MBBL30 Apr 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly222 MBBL31 Mar 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,221 MBBL31 Mar 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly9,656 MBBL31 Mar 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly460 MBBL31 Mar 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly467 MBBL31 Mar 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly13,026 MBBL31 Mar 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly156 MBBL28 Feb 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,109 MBBL28 Feb 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly8,181 MBBL28 Feb 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly463 MBBL28 Feb 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly450 MBBL28 Feb 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly11,359 MBBL28 Feb 2025
East Coast (PADD 1) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp11-monthlymonthly198 MBBL31 Jan 2025
Midwest (PADD 2) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp21-monthlymonthly2,148 MBBL31 Jan 2025
Gulf Coast (PADD 3) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp31-monthlymonthly8,397 MBBL31 Jan 2025
Rocky Mountain (PADD 4) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp41-monthlymonthly484 MBBL31 Jan 2025
West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistp51-monthlymonthly421 MBBL31 Jan 2025
U.S. Ending Stocks of Isobutane-Isobutylene (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mbistus1-monthlymonthly11,648 MBBL31 Jan 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.