U.S. Energy Information Administration

Refinery Olefins

EIA petroleum sum snd data for Refinery Olefins .

Series

normalized EIA series

Observations

1,260

records in the database

Latest record

28 Feb 2026

newest observation

Cadences

annual, monthly

Series chart

Selected series performance

Series

Latest

No value

No observation

Change

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

/v1/commodities/eia-petroleum-refinery-olefins-5afa3cae86/series

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlyU.S.monthly1,486 MBBL28 Feb 2026 · 194 rows

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlyPADD 1monthly192 MBBL28 Feb 2026 · 194 rows

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlyPADD 2monthly235 MBBL28 Feb 2026 · 194 rows

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlyPADD 3monthly831 MBBL28 Feb 2026 · 194 rows

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlyPADD 4monthly108 MBBL28 Feb 2026 · 194 rows

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlyPADD 5monthly120 MBBL28 Feb 2026 · 194 rows

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-annualU.S.annual2,000 MBBL31 Dec 2025 · 16 rows

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-annualPADD 1annual119 MBBL31 Dec 2025 · 16 rows

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-annualPADD 2annual428 MBBL31 Dec 2025 · 16 rows

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-annualPADD 3annual1,328 MBBL31 Dec 2025 · 16 rows

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-annualPADD 4annual113 MBBL31 Dec 2025 · 16 rows

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-annualPADD 5annual12 MBBL31 Dec 2025 · 16 rows

Latest observations

Recent records

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly1,486 MBBL28 Feb 2026

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly192 MBBL28 Feb 2026

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly235 MBBL28 Feb 2026

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly831 MBBL28 Feb 2026

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly108 MBBL28 Feb 2026

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly120 MBBL28 Feb 2026

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly2,168 MBBL31 Jan 2026

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly157 MBBL31 Jan 2026

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly262 MBBL31 Jan 2026

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly1,490 MBBL31 Jan 2026

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly174 MBBL31 Jan 2026

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly85 MBBL31 Jan 2026

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-annualannual2,000 MBBL31 Dec 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly2,000 MBBL31 Dec 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-annualannual119 MBBL31 Dec 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly119 MBBL31 Dec 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-annualannual428 MBBL31 Dec 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly428 MBBL31 Dec 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-annualannual1,328 MBBL31 Dec 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly1,328 MBBL31 Dec 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-annualannual113 MBBL31 Dec 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly113 MBBL31 Dec 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-annualannual12 MBBL31 Dec 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly12 MBBL31 Dec 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly2,377 MBBL30 Nov 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly174 MBBL30 Nov 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly441 MBBL30 Nov 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly1,425 MBBL30 Nov 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly147 MBBL30 Nov 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly190 MBBL30 Nov 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly2,161 MBBL31 Oct 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly212 MBBL31 Oct 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly398 MBBL31 Oct 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly1,328 MBBL31 Oct 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly99 MBBL31 Oct 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly124 MBBL31 Oct 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly2,033 MBBL30 Sept 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly218 MBBL30 Sept 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly482 MBBL30 Sept 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly1,171 MBBL30 Sept 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly116 MBBL30 Sept 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly46 MBBL30 Sept 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly1,913 MBBL31 Aug 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly153 MBBL31 Aug 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly420 MBBL31 Aug 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly1,230 MBBL31 Aug 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly82 MBBL31 Aug 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly28 MBBL31 Aug 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly1,676 MBBL31 Jul 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly136 MBBL31 Jul 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly425 MBBL31 Jul 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly973 MBBL31 Jul 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly110 MBBL31 Jul 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly32 MBBL31 Jul 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly1,653 MBBL30 Jun 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly100 MBBL30 Jun 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly344 MBBL30 Jun 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly1,063 MBBL30 Jun 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly88 MBBL30 Jun 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly58 MBBL30 Jun 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly1,453 MBBL31 May 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly97 MBBL31 May 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly393 MBBL31 May 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly852 MBBL31 May 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly96 MBBL31 May 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly15 MBBL31 May 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly1,480 MBBL30 Apr 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly150 MBBL30 Apr 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly330 MBBL30 Apr 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly863 MBBL30 Apr 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly98 MBBL30 Apr 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly39 MBBL30 Apr 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly1,657 MBBL31 Mar 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly179 MBBL31 Mar 2025

Midwest (PADD 2) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r20-mbbl-monthlymonthly302 MBBL31 Mar 2025

Gulf Coast (PADD 3) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r30-mbbl-monthlymonthly1,088 MBBL31 Mar 2025

Rocky Mountain (PADD 4) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r40-mbbl-monthlymonthly55 MBBL31 Mar 2025

West Coast (PADD 5) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r50-mbbl-monthlymonthly33 MBBL31 Mar 2025

U.S. Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-nus-mbbl-monthlymonthly1,385 MBBL28 Feb 2025

East Coast (PADD 1) Ending Stocks of Refinery Olefins (Thousand Barrels)eia-petroleum-petroleum-sum-snd-m-eplole-sae-r10-mbbl-monthlymonthly206 MBBL28 Feb 2025