NPKI (NPK International Inc.) historical data

STOCKListed1-minute bars

SymbolNPKI
NameNPK International Inc.
ExchangeNYSE
SectorBasic Materials
IndustryConstruction Materials
IPO date1990-09-06
History2000-01-04 to 2026-10-09 (about 26 years)
Bar sizesDaily, hourly, 5-minute and 1-minute
AdjustmentsUnadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read
SurvivorshipIncluded in the survivorship-free universe
Free tierLast 12 months of daily bars

Price history at a glance

NPKI last closed at $11.34 on 2026-10-09, +2.5% over the past year and +209.0% over five years. Its deepest fall from a prior high in this history was -95.0%, reached on 2020-04-01.

Last close$11.34 (2026-10-09)
1-year change+2.5%
5-year change+209.0%
Annualized since 2000-01-04+2.9%
52-week range$10.74 – $16.35
Deepest drawdown-95.0% (2020-04-01)
Avg. daily dollar volume (3 months)$10.5m
Daily bars in history6,731

Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.

Institutional ownership (13F, 2026Q2)

Managers holding256
Shares held79,314,608 ($1.3bn reported value)
Quarter flows39 new, 100 added, 84 trimmed, 29 exited; +3,301,843 shares vs the prior quarter

From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("NPKI") on the look-back bundles. Top holders of NPKI · All 13F managers

Short interest (2026-09-30)

Shares short2,459,620 (-11.4% vs prior report)
Days to cover2.80

NPKI short interest history · Basic Materials sector

Get it in Python

import finzdata as yf
df = yf.Ticker("NPKI").history(start="2000-01-04", interval="1d")
df.tail()

Get a free API keySee history bundlesDownload free samples