NYSE · WLKP · stock
Westlake Chemical Partners LP (WLKP) stock price history
Every NYSE trading session of Westlake Chemical Partners LP from Jul 30, 2014 to Sep 28, 2026: 3,059 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 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.
WLKP adjusted close, 2014 to 2026
- $23.33
- All time high, 2026
- $23.55
- 52 week high, $16.93 low
- 3,059
- Daily sessions since 2014
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2014 to 2026 series and minute bars.
WLKP key facts
- Westlake Chemical Partners LP (WLKP) closed at $21.55 on Sep 28, 2026 on NYSE.
- WLKP's all time high close is $23.33, set on Jun 12, 2026; its all time low close is $6.16 on Mar 18, 2020.
- WLKP's 52 week range is $16.93 to $23.55.
- WLKP returned +10.1% over the year to Sep 28, 2026 and +29.4% over five years.
- Over ten years WLKP returned +108%, +7.6% a year compounded.
- WLKP's deepest drawdown was -60.2% from Dec 31, 2019 to Mar 18, 2020.
- DataCedar holds 3,059 daily sessions of WLKP history from Jul 30, 2014 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
WLKP price chart, 2014 to 2026
WLKP returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -0.4% |
| 3 months | -4.9% |
| 6 months | +1.3% |
| Year to date | +20.7% |
| 1 year | +10.1% |
| 3 years | +24.6% |
| 5 years | +29.4% |
| 10 years | +107.9% |
| Since Jul 30, 2014 | +67.1% |
| Compound annual growth, 12.2 years | +4.3% |
WLKP records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $23.33 on Jun 12, 2026
- All time low close
- $6.16 on Mar 18, 2020
- 52 week high
- $23.55 on Jun 8, 2026
- 52 week low
- $16.93 on Oct 30, 2025
- Deepest drawdown
- -60.2% from Dec 31, 2019 to Mar 18, 2020, recovered Feb 1, 2021
- Best single session
- +23.2% on Mar 19, 2020
- Worst single session
- -17.6% on May 6, 2015
- Volatility, 1 year annualised
- 18.8%
- Sessions closing higher, 1 year
- 50%
- Best calendar year
- 2017, +22%
- Worst calendar year
- 2015, -19%
WLKP 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. 2014 starts on Jul 30, 2014; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $18.26 | $23.55 | $17.97 | $21.55 | +18.3% | 6.4M | 185 |
| 2025 | $20.58 | $22.45 | $16.93 | $18.21 | -10.5% | 11.6M | 250 |
| 2024 | $17.62 | $21.41 | $17.48 | $20.35 | +16.2% | 11.5M | 252 |
| 2023 | $17.49 | $19.36 | $14.10 | $17.52 | +0.1% | 9.5M | 250 |
| 2022 | $18.10 | $20.69 | $14.38 | $17.50 | -5.8% | 12.2M | 251 |
| 2021 | $15.50 | $18.65 | $13.74 | $18.57 | +21.2% | 19.6M | 252 |
| 2020 | $15.48 | $15.56 | $6.16 | $15.33 | -0.8% | 17.7M | 253 |
| 2019 | $12.87 | $15.45 | $12.01 | $15.45 | +18.5% | 15.3M | 252 |
| 2018 | $12.67 | $14.50 | $10.94 | $13.04 | +3.6% | 14.6M | 251 |
| 2017 | $10.31 | $12.72 | $9.81 | $12.59 | +22.4% | 14.1M | 251 |
| 2016 | $9.72 | $11.20 | $7.25 | $10.29 | +4.1% | 15.8M | 252 |
| 2015 | $12.39 | $12.52 | $6.16 | $9.88 | -19.2% | 30M | 252 |
| 2014 | $12.69 | $14.37 | $10.70 | $12.22 | n/a | 21.7M | 108 |
WLKP monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $21.55 | -0.4% |
| August 2026 | $21.64 | 0.0% |
| July 2026 | $21.64 | -2.8% |
| June 2026 | $22.26 | -2.9% |
| May 2026 | $22.93 | +1.5% |
| April 2026 | $22.59 | +4.3% |
| March 2026 | $21.65 | +0.3% |
| February 2026 | $21.58 | +4.9% |
| January 2026 | $20.57 | +12.9% |
| December 2025 | $18.21 | +0.2% |
| November 2025 | $18.18 | +3.1% |
| October 2025 | $17.62 | -10.1% |
About the WLKP data
Daily bars. 3,059 sessions from Jul 30, 2014 to Sep 28, 2026, one row per NYSE 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 Jul 13, 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 NYSE trading days; minute timestamps are UTC. Prices are in USD. 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 Jul 30, 2014, 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/WLKP/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on NYSE
Common questions
WLKP share price history
