NPK International Inc. (NPKI) Stock Price History
Historical prices from 2024 to 2026
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NPKI Historical Performance
Short-Term Returns
NPKI Stock Price Trajectory (2024–2026)
As of May 8, 2026, NPK International Inc. (NPKI) trades at $15.44, representing a +94.9% return over the past year. The stock has delivered a +91.5% total return over five years (+13.9% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $16.50 on May 1, 2026. From this peak, NPKI has corrected -6.5%, currently trading 23% above its 200-day moving average, indicating continued institutional support.
When compared to Energy sector peers ASTE (+39.1% 1Y), ITRN (+68.1% 1Y), and HLIO (+133.2% 1Y), NPKI has underperformed the peer group average. Compare NPKI vs ASTE →
NPKI Historical Price Data (2025–2026)
Showing 30 of 363 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 15.75 | 16.14 | 15.38 | 15.44 | 812K | -1.75% |
| 2026-05-06 | 15.88 | 15.92 | 15.30 | 15.71 | 618K | -0.44% |
| 2026-05-05 | 15.14 | 15.80 | 15.13 | 15.78 | 724K | +5.69% |
| 2026-05-04 | 15.57 | 16.20 | 14.64 | 14.93 | 1.21M | -4.11% |
| 2026-05-01 | 15.90 | 16.50 | 14.05 | 15.57 | 1.98M | -4.71% |
| 2026-04-30 | 15.70 | 16.49 | 15.62 | 16.34 | 1.05M | +4.41% |
| 2026-04-29 | 15.78 | 15.98 | 15.57 | 15.65 | 644K | -0.70% |
| 2026-04-28 | 15.93 | 16.19 | 15.73 | 15.76 | 907K | -1.93% |
| 2026-04-27 | 15.82 | 16.21 | 15.61 | 16.07 | 1.36M | +6.42% |
| 2026-04-24 | 14.67 | 15.13 | 14.60 | 15.10 | 592K | +2.65% |
| 2026-04-23 | 14.60 | 15.04 | 14.56 | 14.71 | 500K | +1.38% |
| 2026-04-22 | 14.47 | 14.66 | 14.36 | 14.51 | 654K | +1.47% |
| 2026-04-21 | 14.44 | 14.75 | 14.21 | 14.30 | 509K | -0.14% |
| 2026-04-20 | 14.63 | 14.68 | 14.18 | 14.32 | 647K | -2.59% |
| 2026-04-17 | 14.36 | 14.94 | 14.36 | 14.70 | 470K | +2.30% |
| 2026-04-16 | 15.08 | 15.44 | 14.30 | 14.37 | 918K | -5.21% |
| 2026-04-15 | 14.91 | 15.17 | 14.88 | 15.16 | 488K | +1.07% |
| 2026-04-14 | 15.10 | 15.10 | 14.77 | 15.00 | 565K | -0.13% |
| 2026-04-13 | 14.93 | 15.16 | 14.83 | 15.02 | 372K | -0.07% |
| 2026-04-10 | 15.04 | 15.20 | 14.90 | 15.03 | 534K | 0.00% |
| 2026-04-09 | 14.80 | 15.24 | 14.58 | 15.03 | 786K | +1.14% |
| 2026-04-08 | 14.77 | 14.93 | 14.60 | 14.86 | 1.27M | +3.70% |
| 2026-04-07 | 14.44 | 14.50 | 14.13 | 14.33 | 622K | -0.56% |
| 2026-04-06 | 14.40 | 14.49 | 14.24 | 14.41 | 729K | -0.07% |
| 2026-04-02 | 14.25 | 14.49 | 14.03 | 14.42 | 544K | +0.42% |
| 2026-04-01 | 14.54 | 14.69 | 14.33 | 14.36 | 466K | -0.90% |
| 2026-03-31 | 14.40 | 14.73 | 14.29 | 14.49 | 567K | +1.83% |
| 2026-03-30 | 14.66 | 14.75 | 14.17 | 14.23 | 701K | -2.60% |
| 2026-03-27 | 14.29 | 14.63 | 14.21 | 14.61 | 714K | +1.32% |
| 2026-03-26 | 14.77 | 14.91 | 14.33 | 14.42 | 530K | -3.42% |
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Start ComparisonNPKI — Frequently Asked Questions
Quick answers to the most common questions about buying NPKI stock.
How has NPKI stock performed recently?
NPKI returned +94.9% over the past year, beating its 5-year annualized CAGR of +13.9%. The stock trades above its 200-day moving average, confirming the uptrend.
What is NPKI's all-time high price?
NPK International Inc. reached $16.50 on 2026-05-01. The 52-week high is $16.50. Current 1-year return of +94.9% places the stock closer to historical peaks.
Where can I download NPKI historical price data?
This page provides NPKI daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2024-2026, downloadable in CSV format.