What if you invested $1,000 in ConocoPhillips in 1998? (Inflation-Adjusted)

COP · Energy · Adjusted to 2026 dollars using BLS CPI-U data

View nominal (non-adjusted) version

ConocoPhillips turned $1,000 into $19,356 between 1998 and today. Impressive on paper, but inflation over that span came to 0% (BLS CPI-U). Adjusted for that erosion in purchasing power, your real gain in constant 1998 dollars is $19,356, which works out to a +11.1% annualized real growth rate over 28 years.

Nominal final value

$19,356

+1835.6% total return

Real value (1998 dollars)

$19,356

+1835.6% real total return

Real annualized return

+11.1%

vs. +11.1% nominal annualized

Cumulative CPI-U inflation since 1998: 0% (1 dollar in 1998 = $1.00 in 2026)

Year-by-Year (Inflation-Adjusted)

$1,000 in ConocoPhillips since 1998, values in constant 1998 dollars

YearNominal ValueReal Value (1998 $)
1998$1,000$1,000
1999$905$905
2000$986$1,933
2001$1,455$2,780
2002$1,487$2,782
2003$1,260$2,307
2004$1,778$3,165
2005$2,564$4,410
2006$3,651$6,097
2007$3,834$6,212
2008$4,727$7,374
2009$2,878$4,519
2010$3,030$4,637
2011$4,694$6,900
2012$4,647$6,692
2013$5,422$7,645
2014$6,334$8,804
2015$6,378$8,865
2016$4,156$5,693
2017$5,317$7,125
2018$6,558$8,526
2019$7,684$9,759
2020$6,897$8,621
2021$4,832$5,750
2022$11,060$12,055
2023$15,973$16,772
2024$15,202$15,506
2025$13,806$13,806
2026$15,064$15,064

Inflation adjustment uses BLS CPI-U annual data, deflated to 2026 dollars. Nominal stock data from Yahoo Finance (split-adjusted closing prices). Real values are expressed in constant 1998 purchasing-power dollars. For informational and educational purposes only. Not financial advice. Past performance does not guarantee future results. See our methodology and full disclaimer.