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NPKI correlations (NPK International Inc.)

Which assets move with NPKI and which ones diversify it, computed from weekly returns across 4756 stocks and ETFs.

Data as of 2026-08-27 · refreshed every trading day · US Listed

Volatility (ann.)
41.0%
3y weekly
Beta vs S&P 500
0.88
3y weekly
1-year return
+31.6%
price, adjusted
5-year return
+429.3%
price, adjusted
Market cap
$1.2B
latest
P/E ratio
28.8
trailing
Max drawdown
-42.1%
3y, daily closes
0%+51%2025-09-052026-08-27
NPKI over the last 12 months, weekly closes indexed to 100 at the start.

Stocks and ETFs most correlated with NPKI

AssetCorrelation (3Y)
TTITetra Technologies, Inc.0.54
CLBCore Laboratories Inc.0.52
NGSNatural Gas Services Group, Inc.0.52
OIIOceaneering International, Inc.0.52
FTITechnipFMC plc0.52

Best diversifiers for NPKI

The least-correlated liquid assets in our universe, meaning the ones that historically moved most independently from NPKI.

AssetCorrelation (3Y)
VXXiPath Series B S&P 500 VIX Short-Term Futures ETN-0.36
VXZiPath Series B S&P 500 VIX Mid-Term Futures ETN-0.36
JBIOJade Biosciences, Inc.-0.20

NPKI vs benchmarks

NPKI vs SPY 0.31 NPKI vs QQQ 0.25

Get NPKI data as JSON

Free API · no key required
$ curl https://www.pairbook.io/api/v1/symbols/npki.json

Correlations, diversifiers, beta and volatility for NPKI, plus one endpoint per pair. API documentation.