Kosmos Energy Ltd. (KOS) Stock Price History
Historical prices from 2011 to 2026
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KOS Historical Performance
Short-Term Returns
KOS Stock Price Trajectory (2011–2026)
As of May 8, 2026, Kosmos Energy Ltd. (KOS) trades at $2.89, representing a +90.1% return over the past year. The stock has delivered a -8.3% total return over five years (-1.7% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $19.70 on May 11, 2011. From this peak, KOS has corrected -85.3%, currently trading 60% above its 200-day moving average, indicating continued institutional support.
When compared to Energy sector peers EGY (+84.0% 1Y), APA (+134.1% 1Y), and SM (+37.3% 1Y), KOS has underperformed the peer group average. Compare KOS vs EGY →
KOS Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 2.85 | 2.94 | 2.73 | 2.89 | 16.40M | 0.00% |
| 2026-05-06 | 2.89 | 3.04 | 2.87 | 2.89 | 21.74M | -7.67% |
| 2026-05-05 | 3.16 | 3.24 | 2.95 | 3.13 | 5.17M | -4.28% |
| 2026-05-04 | 3.25 | 3.32 | 3.22 | 3.27 | 17.92M | +2.19% |
| 2026-05-01 | 3.07 | 3.21 | 2.98 | 3.20 | 18.12M | +3.90% |
| 2026-04-30 | 2.97 | 3.10 | 2.93 | 3.08 | 22.94M | +1.32% |
| 2026-04-29 | 3.05 | 3.12 | 2.94 | 3.04 | 15.29M | +3.05% |
| 2026-04-28 | 3.05 | 3.13 | 2.94 | 2.95 | 17.17M | +0.68% |
| 2026-04-27 | 2.88 | 2.95 | 2.86 | 2.93 | 9.07M | +4.27% |
| 2026-04-24 | 2.84 | 2.87 | 2.72 | 2.81 | 12.13M | -2.09% |
| 2026-04-23 | 2.82 | 2.91 | 2.75 | 2.87 | 14.38M | +0.70% |
| 2026-04-22 | 2.67 | 2.85 | 2.66 | 2.85 | 14.20M | +7.95% |
| 2026-04-21 | 2.53 | 2.66 | 2.53 | 2.64 | 10.86M | +5.18% |
| 2026-04-20 | 2.52 | 2.55 | 2.46 | 2.51 | 12.92M | +1.21% |
| 2026-04-17 | 2.37 | 2.51 | 2.33 | 2.48 | 20.13M | -6.06% |
| 2026-04-16 | 2.60 | 2.70 | 2.59 | 2.64 | 10.47M | +2.33% |
| 2026-04-15 | 2.51 | 2.66 | 2.49 | 2.58 | 13.67M | +3.20% |
| 2026-04-14 | 2.58 | 2.60 | 2.47 | 2.50 | 14.59M | -4.58% |
| 2026-04-13 | 2.67 | 2.71 | 2.58 | 2.62 | 20.55M | +1.95% |
| 2026-04-10 | 2.55 | 2.62 | 2.47 | 2.57 | 15.38M | +0.98% |
| 2026-04-09 | 2.75 | 2.76 | 2.52 | 2.54 | 26.70M | -8.29% |
| 2026-04-08 | 2.60 | 2.83 | 2.54 | 2.77 | 31.84M | -8.11% |
| 2026-04-07 | 3.12 | 3.16 | 2.96 | 3.02 | 21.31M | -2.27% |
| 2026-04-06 | 2.91 | 3.17 | 2.88 | 3.09 | 37.60M | +6.00% |
| 2026-04-02 | 2.93 | 2.99 | 2.77 | 2.92 | 34.97M | +8.36% |
| 2026-04-01 | 2.64 | 2.74 | 2.60 | 2.69 | 21.23M | -2.89% |
| 2026-03-31 | 2.92 | 3.01 | 2.70 | 2.77 | 31.17M | -6.42% |
| 2026-03-30 | 3.00 | 3.02 | 2.89 | 2.96 | 27.61M | +1.72% |
| 2026-03-27 | 2.92 | 2.93 | 2.77 | 2.91 | 28.59M | +1.39% |
| 2026-03-26 | 2.71 | 3.00 | 2.71 | 2.87 | 31.55M | +7.89% |
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View ValuationCompare KOS vs SOC
Side-by-side business, growth, and profitability comparison vs Sable Offshore Corp..
Start ComparisonKOS — Frequently Asked Questions
Quick answers to the most common questions about buying KOS stock.
How has KOS stock performed recently?
KOS returned +90.1% over the past year, beating its 5-year annualized CAGR of -1.7%. The stock trades above its 200-day moving average, confirming the uptrend.
What is KOS's all-time high price?
Kosmos Energy Ltd. reached $19.70 on 2011-05-11. The 52-week high is $3.32. Current 1-year return of +90.1% places the stock closer to historical peaks.
Where can I download KOS historical price data?
This page provides KOS daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.