CIGI Unusual Option Activity
Colliers International Group Inc (CIGI) option volume on Nov 4, 2026 was 8.3% of open interest, well above the 20-day average of 4.1%. Calls made up 24.2% of the volume.
CIGI 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 CIGI seeing unusual options activity?
On Nov 4, 2026, Colliers International options traded 293 contracts against 3.54K open, a volume to open interest ratio of 0.08, well above its 20-day average. The table above lists the contracts with the highest ratios.
Are CIGI traders trading more calls or puts?
Calls made up 24.2% of Colliers International option volume on Nov 4, 2026, a put/call ratio of 3.13, so puts outnumber calls. The CIGI option volume chart shows calls and puts by strike.
What is Colliers International Group Inc?
Colliers International Group Inc provides commercial real estate professional services and investment management to corporate and institutional clients across different countries around the world.