NPK International Inc. (NPKI) Open Interest
NPK International Inc. (NPKI) has 368 call contracts and 19 put contracts open across all listed expirations — a put/call open interest ratio of 0.05. Open interest counts the contracts currently outstanding at each strike. This page shows where NPKI positioning concentrates, which strikes act as walls, and how the totals have trended over the past year.
Data as of Aug 24, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.
NPKI Open Interest by Strike
| Total call open interest | 368 |
| Total put open interest | 19 |
| Put/call OI ratio | 0.05 |
| Open interest rank (31 day) | 38 / 100 |
| Call wall (largest call OI) | $15 |
| Put wall (largest put OI) | $12.5 |
| Top volume strike | $12.5 |
| Volume / OI ratio | 0.08 |
NPKI Open Interest Trend
NPKI total call vs. put open interest, past year.
NPKI put/call open interest ratio, past year.
A put/call open interest ratio of 0.05 means meaningfully more calls than puts are outstanding — a call-heavy, typically bullish positioning profile. In total, 368 call contracts and 19 put contracts are open across all listed expirations. The put/call OI ratio has risen from 0.01 in Feb '26 to 0.05 today.
Explore the payoff profile of option on NPKI for free
Build multi-leg NPKI strategies, visualize payoffs, and scan the full US options universe with OptiView.
NPKI Options FAQ
What is NPKI's put/call ratio?
NPKI's put/call open interest ratio is 0.05 as of Aug 24, 2026, with 19 put contracts and 368 call contracts outstanding.
Which NPKI strikes have the highest open interest?
As of Aug 24, 2026, the largest call open interest sits at $15 (the call wall) and the largest put open interest sits at $12.5 (the put wall). Strikes with heavy open interest often act as reference levels because a lot of hedging activity is anchored to them.
Is NPKI open interest unusually high right now?
NPKI's total open interest ranks 38 out of 100 versus the past 31 trading days as of Aug 24, 2026 — in the middle of its recent range.
Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.
Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.