OXY vs COP: which was the better investment?
Occidental Petroleum Corporation against ConocoPhillips on real daily total-return data — every dividend reinvested, from Dec 31, 1981 to Jul 15, 2026.
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Frequently asked questions
Did OXY beat COP?
No — measured from Dec 31, 1981 to Jul 15, 2026 with dividends reinvested, COP came out ahead: $1,139,809 versus $329,289 from a $10,000 start. That gap compounds from a 11.2% annual return against 8.2%.
What would $10,000 in OXY be worth today?
$10,000 invested in Occidental Petroleum Corporation (OXY) on Dec 31, 1981 would be worth about $329,289 as of Jul 15, 2026, a total return of 3192.9% (8.2% per year). The same $10,000 in COP would be worth $1,139,809.
Which was riskier — OXY or COP?
OXY swung with an annualized volatility of 35.7% and a worst peak-to-trough drop of -88.4%; COP ran at 32.8% volatility with a -70.7% maximum drawdown. Risk-adjusted (Sharpe ratio), that is 0.17 for OXY vs 0.28 for COP.
What data is this comparison based on?
Daily adjusted closing prices covering Dec 31, 1981 through Jul 15, 2026 — the full period where both assets have price history. Adjusted prices include dividends and splits, so these are total returns. The page refreshes with new market data every day.
Can I change the dates, amounts, or add monthly investing?
Yes — the interactive tool on this page is pre-loaded with OXY vs COP. You can set any start and end date, change the starting amount, add monthly contributions, or build a multi-asset portfolio and compare it against any benchmark.