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The price of NPK International Inc. (NPKI) on October 9, 2026 is 11.34 USD, -1.22% on the day. Over 52 weeks the stock traded between 10.73 USD and 16.50 USD; the price now sits 11% of the way up that range. Over the past year the price changed by +1.70%. The P/E ratio is 25.9, which is close to the sector median (26.2). Market capitalization is 1.02 billion USD, rank 4 among 4 stocks of the same industry with a known capitalization.
Closing prices for 09 October 2026
Next earnings report: 29 October 2026 · Earnings calendar
NPK International Inc. trades on NYSE under the ticker NPKI. The company belongs to the Industrials sector. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks NPKI has traded between 10.73 $ and 16.50 $. As of 09 October 2026 the price stood 10.57 % of the way from the 52-week low to the high.
Over one year NPKI shares rose 1.70 %; over six months they fell 24.55 %. Volatility over 90 days is 41.97 %. Dividends are not included: this is price change only, as of 09 October 2026.
NPKI trades at a price-to-earnings ratio of 25.9, below the sector median of 26.2. Price to sales is 3.6, above the sector median of 1.4. Price to book is 2.8, above the sector median of 2.6. Calculated from reports for the period ending 31 March 2026.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 09 October 2026 | 11.51 | 11.53 | 11.29 | 11.34 | 403,200 |
| 08 October 2026 | 11.42 | 11.65 | 11.25 | 11.48 | 909,700 |
| 07 October 2026 | 11.87 | 11.95 | 11.28 | 11.41 | 1M |
| 06 October 2026 | 11.92 | 12.13 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the last 12 months of reports, through 31 March 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
Address:9320 LAKESIDE BOULEVARD SUITE 100, THE WOODLANDS, TX, 77381, US
NPK International Inc. reported revenue of 287M $ and net income of 39M $ over the last four quarters. Net margin is 13.71 %. Revenue changed by +23.16 % year over year. Earnings per share are 0.46 $. Market capitalisation is 1.0B $.
NPKI has a return on equity of 10.95 %, above the sector median of 5.92 %. Return on assets is 9.00 %, above the sector median of 2.51 %. Operating margin is 16.59 %, above the sector median of 4.32 %.
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| 11.80 |
| 12.01 |
| 531,400 |
| 05 October 2026 | 11.83 | 12.12 | 11.69 | 11.81 | 780,600 |
| 02 October 2026 | 11.96 | 12.10 | 11.74 | 11.79 | 716,500 |
| 01 October 2026 | 11.34 | 11.85 | 11.20 | 11.83 | 1M |
| 30 September 2026 | 11.45 | 11.50 | 11.30 | 11.42 | 865,000 |
| 29 September 2026 | 11.63 | 11.63 | 11.35 | 11.40 | 593,200 |
| 28 September 2026 | 11.70 | 11.73 | 11.48 | 11.58 | 631,600 |
| 25 September 2026 | 11.68 | 11.80 | 11.53 | 11.72 | 857,400 |
| 24 September 2026 | 11.68 | 11.75 | 11.45 | 11.68 | 1M |
| 23 September 2026 | 11.71 | 11.88 | 11.53 | 11.71 | 1M |
| 22 September 2026 | 12.48 | 12.48 | 11.74 | 11.74 | 1M |
| 21 September 2026 | 12.80 | 12.80 | 12.47 | 12.48 | 652,100 |
| 18 September 2026 | 12.74 | 12.84 | 12.65 | 12.73 | 1M |
| 17 September 2026 | 13.00 | 13.14 | 12.70 | 12.75 | 859,800 |
| 16 September 2026 | 13.12 | 13.16 | 12.64 | 12.91 | 578,100 |
| 15 September 2026 | 12.97 | 12.98 | 12.77 | 12.98 | 666,200 |
| 14 September 2026 | 12.91 | 13.10 | 12.73 | 12.97 | 830,400 |