Oil Prices in January 2011: WTI & Brent Daily Prices and Monthly Average
At $89.17 per barrel, January 2011's WTI average was the highest monthly average in nominal terms since September 2008, up $0.02 (0.0%) from December 2010. A year earlier, in January 2010, it averaged $78.33, so the price was higher by $10.84 (13.8%) year over year.
Daily spot prices, January 2011
Chart data table (20 rows)
| Period | WTI | Brent |
|---|---|---|
| Jan 31, 2011 | $90.99 | $98.97 |
| Jan 28, 2011 | $88.15 | $97.06 |
| Jan 27, 2011 | $84.45 | $96.48 |
| Jan 26, 2011 | $86.15 | $96.04 |
| Jan 25, 2011 | $85.08 | $96.76 |
| Jan 24, 2011 | $86.74 | $96.76 |
| Jan 21, 2011 | $88.22 | $96.84 |
| Jan 20, 2011 | $88.56 | $96.27 |
| Jan 19, 2011 | $90.85 | $98.42 |
| Jan 18, 2011 | $91.38 | $97.83 |
| Jan 14, 2011 | $91.53 | $97.86 |
| Jan 13, 2011 | $91.39 | $97.86 |
| Jan 12, 2011 | $91.85 | $97.86 |
| Jan 11, 2011 | $91.11 | $96.80 |
| Jan 10, 2011 | $89.24 | $95.05 |
| Jan 7, 2011 | $88.07 | $94.25 |
| Jan 6, 2011 | $88.37 | $94.95 |
| Jan 5, 2011 | $90.30 | $95.07 |
| Jan 4, 2011 | $89.39 | $93.52 |
| Jan 3, 2011 | $91.59 | $95.82 |
Prices peaked at $91.85 on Jan 12, 2011, then fell to $84.45 on Jan 27, 2011 and ended at $90.99. The largest one-day move was +$3.70 on Jan 28, 2011 (+4.4%).
Brent averaged $96.52; its premium over WTI on matched dates averaged $7.35, with the daily Brent − WTI difference ranging from +$4.13 to +$12.03.
Adjusted with CPI-U, the January 2011 average equals $136.43 in September 2026 dollars.
January 2011 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $89.17 | $96.52 |
| Change vs December 2010 | +$0.02 | +$5.07 |
| Change vs January 2010 | +$10.84 | +$20.35 |
| Highest daily price | $91.85 Jan 12, 2011 | $98.97 Jan 31, 2011 |
| Lowest daily price | $84.45 Jan 27, 2011 | $93.52 Jan 4, 2011 |
| Published daily observations | 20 | 20 |
| Average in September 2026 dollars (CPI-U) | $136.43 | $147.68 |
Monthly averages are EIA's published figures. Real figures use CPI-U for January 2011.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Jan 3, 2011 – Jan 31, 2011 | Jan 31, 2011 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Jan 3, 2011 – Jan 31, 2011 | Jan 31, 2011 |
| U.S. Bureau of Labor Statistics | CUUR0000SA0 — CPI-U, all items, NSA | index, 1982–84=100 | monthly | September 2026 |
Last updated: Oct 21, 2026, 5:27 PM CDT. Raw values are shown in source units; any conversion is labeled. See methodology and data sources.
Download:2011 daily prices (CSV)