Innospec (IOSP) Options Chain

NASDAQ: IOSPIndustrialsMajor ChemicalsUSD

95.65-2.04 (-2.09%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $95.65
Put/call ratio (OI): 0.00
Put/call ratio (volume): 0.00
ATM implied volatility: 52.5%
Expected move: ±$16.62
Open interest (C / P): 3 / 0

IOSP options summary

The IOSP options chain for the November 20, 2026 expiration lists 2 call and 0 put contracts, with 40 days until expiration. Open interest stands at 3 calls and 0 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $100.00 strike is 52.5%, which implies the market expects a move of about ±$16.62 (17.4%) in Innospec stock by expiration.

Summary generated from market data by MetaCap's automated system. Methodology

IOSP options chain · November 20, 2026

IOSP calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
1	1	48.9%	8.40	4.50	9.30	90.00	—	—	—	—	—	—
IOSP $95.65
2	2	52.5%	3.11	0.05	4.90	100.00	—	—	—	—	—	—

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 IOSP put/call ratio?

For the November 20, 2026 expiration, the IOSP put/call ratio based on open interest is 0.00 (0 puts vs 3 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.

What is IOSP's implied volatility?

At-the-money implied volatility for IOSP options expiring November 20, 2026 is about 52.5%, an annualized estimate of how much the market expects Innospec stock to move.

How many IOSP option expiration dates are there?

IOSP 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.