International Bancshares (IBOC) Options Chain
NASDAQ: IBOCFinanceMajor BanksUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
After hours: 68.40 0.00%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $68.40
- Put/call ratio (OI)
- 1.00
- Put/call ratio (volume)
- 1.00
- Expected move
- ±$8.46
- Open interest (C / P)
- 25 / 25
IBOC options summary
The IBOC options chain for the October 16, 2026 expiration lists 1 call and 1 put contracts, with 8 days until expiration. Open interest stands at 25 calls and 25 puts, a put/call ratio of 1.00, which is fairly balanced between calls and puts. At-the-money implied volatility near the $70.00 strike is 83.5%, which implies the market expects a move of about ±$8.46 (12.4%) in International Bancshares stock by expiration.
The most open interest sits at the $70.00 call (25 contracts) and the $70.00 put (25 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
IBOC options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.53 | 0.00 | 4.90 | 70.00 | 0.00 | 4.90 | 1.53 | |||||
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 IBOC put/call ratio?
For the October 16, 2026 expiration, the IBOC put/call ratio based on open interest is 1.00 (25 puts vs 25 calls), and 1.00 based on today's volume. A ratio above 1 means more puts than calls.
What is IBOC's implied volatility?
At-the-money implied volatility for IBOC options expiring October 16, 2026 is about 83.5%, an annualized estimate of how much the market expects International Bancshares stock to move.
How many IBOC option expiration dates are there?
IBOC has 3 listed expiration dates, from Oct 16, 2026 to Feb 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.