LSE · KOS · stock
Kosmos Energy Ltd. (KOS) stock price history
Every LSE trading session of Kosmos Energy Ltd. from Aug 21, 2017 to Sep 28, 2026: 2,300 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
KOS adjusted close, 2017 to 2026
- £7.36
- All time high, 2018
- £2.48
- 52 week high, £0.6300 low
- 2,300
- Daily sessions since 2017
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2017 to 2026 series and minute bars.
KOS key facts
- Kosmos Energy Ltd. (KOS) closed at £1.88 on Sep 28, 2026 on LSE.
- KOS's all time high close is £7.36, set on Sep 26, 2018; its all time low close is £0.6000 on Mar 10, 2020.
- KOS's 52 week range is £0.6300 to £2.48.
- KOS returned +40.3% over the year to Sep 28, 2026 and -14.9% over five years.
- Since Aug 21, 2017 KOS returned -64%, -10.6% a year compounded.
- KOS's deepest drawdown was -91.8% from Sep 26, 2018 to Mar 10, 2020.
- DataCedar holds 2,300 daily sessions of KOS history from Aug 21, 2017 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
KOS price chart, 2017 to 2026
KOS returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +0.5% |
| 3 months | +17.5% |
| 6 months | -11.7% |
| Year to date | +181.6% |
| 1 year | +40.3% |
| 3 years | -71.8% |
| 5 years | -14.9% |
| 10 years | n/a |
| Since Aug 21, 2017 | -64.0% |
| Compound annual growth, 9.1 years | -10.6% |
KOS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £7.36 on Sep 26, 2018
- All time low close
- £0.6000 on Mar 10, 2020
- 52 week high
- £2.48 on May 18, 2026
- 52 week low
- £0.6300 on Dec 19, 2025
- Deepest drawdown
- -91.8% from Sep 26, 2018 to Mar 10, 2020, not yet recovered
- Best single session
- +65.7% on Mar 11, 2020
- Worst single session
- -49.3% on Mar 9, 2020
- Volatility, 1 year annualised
- 98.2%
- Sessions closing higher, 1 year
- 42%
- Best calendar year
- 2022, +96%
- Worst calendar year
- 2025, -76%
KOS price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2017 starts on Aug 21, 2017; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £0.6750 | £2.48 | £0.6700 | £1.88 | +177.5% | 4.3M | 187 |
| 2025 | £3.09 | £3.22 | £0.6300 | £0.6775 | -75.5% | 2.4M | 253 |
| 2024 | £5.40 | £5.50 | £2.24 | £2.77 | -48.9% | 3.9M | 254 |
| 2023 | £5.08 | £6.93 | £4.26 | £5.43 | +6.4% | 1.4M | 251 |
| 2022 | £2.90 | £6.84 | £2.80 | £5.10 | +96.2% | 2.7M | 250 |
| 2021 | £1.83 | £3.00 | £1.36 | £2.60 | +48.1% | 2.2M | 253 |
| 2020 | £4.28 | £5.16 | £0.6000 | £1.76 | -58.4% | 10.5M | 254 |
| 2019 | £3.22 | £5.81 | £3.12 | £4.22 | +31.1% | 3.5M | 253 |
| 2018 | £5.17 | £7.38 | £2.96 | £3.22 | -37.8% | 7.5M | 253 |
| 2017 | £5.66 | £6.50 | £4.91 | £5.17 | n/a | 1M | 92 |
KOS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | £1.88 | +0.5% |
| August 2026 | £1.87 | -8.3% |
| July 2026 | £2.04 | +29.1% |
| June 2026 | £1.58 | -21.8% |
| May 2026 | £2.02 | -11.6% |
| April 2026 | £2.29 | +2.5% |
| March 2026 | £2.23 | +34.7% |
| February 2026 | £1.66 | +43.3% |
| January 2026 | £1.16 | +70.5% |
| December 2025 | £0.6775 | -20.1% |
| November 2025 | £0.8475 | -30.0% |
| October 2025 | £1.21 | +1.7% |
About the KOS data
Daily bars. 2,300 sessions from Aug 21, 2017 to Sep 28, 2026, one row per LSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Sep 17, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are LSE trading days; minute timestamps are UTC. Prices are in GBP. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Aug 21, 2017, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/KOS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
KOS share price history
