Insteel Industries (IIIN) Options Chain
NYSE: IIINIndustrialsSteel/Iron OreUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $29.50
- Put/call ratio (OI)
- 6.20
- Put/call ratio (volume)
- 1.67
- Expected move
- ±$0.1279
- Open interest (C / P)
- 231 / 1.43K
IIIN options summary
The IIIN options chain for the October 16, 2026 expiration lists 6 call and 5 put contracts, with 7 days until expiration. Open interest stands at 231 calls and 1,433 puts, a put/call ratio of 6.20, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $30.00 strike is 3.1%, which implies the market expects a move of about ±$0.1279 (0.4%) in Insteel Industries stock by expiration.
The most open interest sits at the $30.00 call (163 contracts) and the $30.00 put (898 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
IIIN options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 11.23 | 9.00 | 13.40 | 20.00 | 0.05 | 1.05 | 0.95 | |||||
| 8.75 | 6.50 | 10.90 | 22.50 | 0.00 | 2.60 | 0.73 | |||||
| 6.68 | 0.00 | 0.00 | 25.00 | 0.00 | 0.00 | 0.10 | |||||
| 0.30 | 0.00 | 0.00 | 30.00 | 0.00 | 0.00 | 1.20 | |||||
| 0.42 | 0.00 | 0.00 | 35.00 | 0.00 | 0.00 | 3.70 | |||||
| 0.10 | 0.00 | 0.00 | 45.00 | — | — | — | |||||
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 IIIN put/call ratio?
For the October 16, 2026 expiration, the IIIN put/call ratio based on open interest is 6.20 (1,433 puts vs 231 calls), and 1.67 based on today's volume. A ratio above 1 means more puts than calls.
What is IIIN's implied volatility?
At-the-money implied volatility for IIIN options expiring October 16, 2026 is about 3.1%, an annualized estimate of how much the market expects Insteel Industries stock to move.
How many IIIN option expiration dates are there?
IIIN has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.