Westlake Chemical Partners LP (WLKP) Stock Price History
Historical prices from 2014 to 2026
- 1M
- -1.7%
- 3M
- +3.6%
- YTD
- +18.9%
- 1Y
- +2.0%
- 3Y
- +1.1%
- 5Y
- -3.4%
Loading 10-year price history...
WLKP Historical Performance
WLKP Annual Returns
Year-by-year price performance · 2014–2026
- 2014 annual price return
- -5.8%
- 2015 annual price return
- -20.3%
- 2016 annual price return
- +1.5%
- 2017 annual price return
- +15.8%
- 2018 annual price return
- -3.7%
- 2019 annual price return
- +13.1%
- 2020 annual price return
- -6.1%
- 2021 annual price return
- +19.2%
- 2022 annual price return
- -8.9%
- 2023 annual price return
- -4.5%
- 2024 annual price return
- +6.7%
- 2025 annual price return
- -17.4%
- 2026 annual price return
- +16.2%
WLKP Stock Price Trajectory (2014–2026)
As of June 30, 2026, Westlake Chemical Partners LP (WLKP) trades at $22.53, representing a +2.0% return over the past year. The stock has delivered a +18.5% total return over five years (-3.4% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $34.31 on September 4, 2014. From this peak, WLKP has corrected -34.3%, currently trading 6% above its 200-day moving average, indicating continued institutional support.
When compared to Basic Materials sector peers MPLX (+9.1% 1Y), HESM (-3.0% 1Y), and CAPL (+7.3% 1Y), WLKP has underperformed the peer group average. Compare WLKP vs MPLX →
WLKP Historical Price Data · from 2014
Rows 1–50 of 2,997| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-29 | 22.51 | 22.88 | 22.40 | 22.53 | 29K | -0.57% |
| 2026-06-26 | 22.41 | 22.93 | 22.41 | 22.66 | 10K | +0.58% |
| 2026-06-25 | 22.82 | 22.82 | 22.39 | 22.53 | 11K | -0.53% |
| 2026-06-24 | 22.63 | 22.89 | 22.63 | 22.65 | 10K | -0.18% |
| 2026-06-23 | 22.62 | 23.00 | 22.57 | 22.69 | 21K | +0.53% |
| 2026-06-22 | 22.26 | 22.77 | 22.26 | 22.57 | 40K | -0.13% |
| 2026-06-18 | 22.70 | 22.75 | 22.58 | 22.60 | 31K | -0.75% |
| 2026-06-17 | 23.43 | 23.43 | 22.63 | 22.77 | 31K | -2.36% |
| 2026-06-16 | 23.25 | 23.39 | 23.25 | 23.32 | 16K | +0.30% |
| 2026-06-15 | 23.28 | 23.45 | 22.99 | 23.25 | 17K | -0.34% |
| 2026-06-12 | 23.29 | 23.41 | 23.25 | 23.33 | 20K | +0.17% |
| 2026-06-11 | 23.28 | 23.43 | 23.27 | 23.29 | 18K | +0.04% |
| 2026-06-10 | 23.21 | 23.40 | 23.21 | 23.28 | 11K | +0.30% |
| 2026-06-09 | 23.36 | 23.40 | 23.05 | 23.21 | 16K | -0.47% |
| 2026-06-08 | 23.14 | 23.55 | 22.94 | 23.32 | 28K | +0.78% |
| 2026-06-05 | 23.01 | 23.30 | 22.90 | 23.14 | 21K | +0.56% |
| 2026-06-04 | 23.12 | 23.15 | 22.88 | 23.01 | 28K | -0.60% |
| 2026-06-03 | 23.21 | 23.27 | 22.95 | 23.15 | 34K | -0.52% |
| 2026-06-02 | 23.12 | 23.49 | 23.11 | 23.27 | 15K | +0.39% |
| 2026-06-01 | 23.07 | 23.49 | 23.06 | 23.18 | 47K | +1.09% |
| 2026-05-29 | 22.79 | 23.16 | 22.78 | 22.93 | 40K | +0.70% |
| 2026-05-28 | 22.75 | 22.85 | 22.62 | 22.77 | 22K | +0.09% |
| 2026-05-27 | 22.67 | 22.87 | 22.67 | 22.75 | 18K | +0.18% |
| 2026-05-26 | 22.39 | 22.87 | 22.33 | 22.71 | 47K | +0.93% |
| 2026-05-22 | 22.70 | 22.80 | 22.42 | 22.50 | 18K | -0.27% |
| 2026-05-21 | 22.42 | 22.71 | 22.27 | 22.56 | 15K | +0.80% |
| 2026-05-20 | 22.39 | 22.54 | 22.33 | 22.38 | 14K | -0.40% |
| 2026-05-19 | 22.71 | 22.71 | 22.36 | 22.47 | 37K | -1.06% |
| 2026-05-18 | 22.46 | 22.86 | 22.34 | 22.71 | 29K | +0.26% |
| 2026-05-15 | 22.80 | 22.90 | 22.62 | 22.65 | 15K | -1.52% |
| 2026-05-14 | 23.21 | 23.35 | 22.81 | 23.00 | 26K | -2.42% |
| 2026-05-13 | 23.59 | 23.77 | 23.48 | 23.57 | 38K | +0.13% |
| 2026-05-12 | 23.58 | 23.70 | 23.41 | 23.54 | 30K | -0.76% |
| 2026-05-11 | 23.46 | 23.88 | 23.21 | 23.72 | 53K | +1.89% |
| 2026-05-08 | 23.21 | 23.47 | 23.10 | 23.28 | 42K | +0.34% |
| 2026-05-07 | 23.53 | 23.53 | 23.20 | 23.20 | 36K | -1.07% |
| 2026-05-06 | 22.55 | 23.45 | 22.55 | 23.45 | 69K | +3.90% |
| 2026-05-05 | 22.77 | 23.60 | 22.52 | 22.57 | 60K | -0.44% |
| 2026-05-04 | 23.00 | 23.27 | 22.67 | 22.67 | 33K | -1.39% |
| 2026-05-01 | 23.08 | 23.49 | 22.80 | 22.99 | 19K | -0.26% |
| 2026-04-30 | 22.95 | 23.32 | 22.55 | 23.05 | 37K | +0.83% |
| 2026-04-29 | 22.90 | 22.95 | 22.50 | 22.86 | 13K | +0.18% |
| 2026-04-28 | 22.68 | 22.82 | 22.68 | 22.82 | 25K | +1.29% |
| 2026-04-27 | 22.53 | 22.70 | 22.50 | 22.53 | 22K | -0.13% |
| 2026-04-24 | 22.27 | 22.56 | 22.25 | 22.56 | 18K | +0.45% |
| 2026-04-23 | 22.38 | 22.50 | 22.20 | 22.46 | 20K | 0.00% |
| 2026-04-22 | 22.47 | 22.52 | 22.25 | 22.46 | 20K | +0.58% |
| 2026-04-21 | 22.25 | 22.50 | 22.24 | 22.33 | 8K | -0.04% |
| 2026-04-20 | 22.39 | 22.93 | 22.17 | 22.34 | 24K | -0.22% |
| 2026-04-17 | 22.34 | 22.50 | 22.20 | 22.39 | 25K | +0.27% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
WLKP — Frequently Asked Questions
Quick answers to the most common questions about buying WLKP stock.
How has WLKP stock performed recently?
WLKP returned +2.0% over the past year, beating its 5-year annualized CAGR of -3.4%. The stock trades above its 200-day moving average, confirming the uptrend.
What is WLKP's all-time high price?
Westlake Chemical Partners LP reached $34.31 on 2014-09-04. The 52-week high is $23.88. Current 1-year return of +2.0% places the stock closer to historical peaks.
Where can I download WLKP historical price data?
This page provides WLKP daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2014-2026, downloadable in CSV format.