IOSP Unusual Option Activity

Innospec Inc (IOSP) option volume on Nov 4, 2026 was 38.3% of open interest, well above the 20-day average of 6.2%. Calls made up 96.8% of the volume.


IOSP Unusual Options FAQ

What makes option activity unusual?

Option activity is usually called unusual when a contract trades much more volume than its open interest, which can mean traders are opening new positions.

Is IOSP seeing unusual options activity?

On Nov 4, 2026, Innospec options traded 31 contracts against 81 open, a volume to open interest ratio of 0.38, well above its 20-day average. The table above lists the contracts with the highest ratios.

Are IOSP traders trading more calls or puts?

Calls made up 96.8% of Innospec option volume on Nov 4, 2026, a put/call ratio of 0.03, so calls outnumber puts. The IOSP option volume chart shows calls and puts by strike.

What is Innospec Inc?

Innospec Inc manufactures and sells a variety of chemicals and fuel additives.

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