NPK International (NPKI) Options Chain
NYSE: NPKIIndustrialsMisc Corporate Leasing ServicesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $11.34
- Put/call ratio (OI)
- 0.02
- Put/call ratio (volume)
- 0.13
- Expected move
- ±$3.33
- Open interest (C / P)
- 254 / 5
NPKI options summary
The NPKI options chain for the December 18, 2026 expiration lists 7 call and 2 put contracts, with 68 days until expiration. Open interest stands at 254 calls and 5 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $12.50 strike is 68.0%, which implies the market expects a move of about ±$3.33 (29.3%) in NPK International stock by expiration.
The most open interest sits at the $17.50 call (175 contracts) and the $12.50 put (5 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
NPKI options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 10.05 | 8.80 | 12.60 | 2.50 | — | — | — | |||||
| 4.55 | 2.70 | 5.40 | 7.50 | — | — | — | |||||
| 3.60 | 2.10 | 5.20 | 10.00 | 0.00 | 0.00 | 0.24 | |||||
| 1.30 | 0.00 | 2.10 | 12.50 | 1.20 | 1.90 | 1.12 | |||||
| 0.29 | 0.00 | 0.75 | 15.00 | — | — | — | |||||
| 1.75 | 0.00 | 1.20 | 17.50 | — | — | — | |||||
| 0.11 | 0.00 | 0.75 | 20.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the NPKI put/call ratio?
For the December 18, 2026 expiration, the NPKI put/call ratio based on open interest is 0.02 (5 puts vs 254 calls), and 0.13 based on today's volume. A ratio above 1 means more puts than calls.
What is NPKI's implied volatility?
At-the-money implied volatility for NPKI options expiring December 18, 2026 is about 68.0%, an annualized estimate of how much the market expects NPK International stock to move.
How many NPKI option expiration dates are there?
NPKI has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.