Colliers International Group Inc
Colliers International Group Inc (CIGI) Options Open Interest
CIGI options open interest is 1,728 contracts. The 2-week average daily volume is 122 contracts across the chain.
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Monitoring CIGI open interest helps you see where real money is positioned on Colliers International Group Inc's options and which strikes are attracting the most commitment from traders. Colliers International Group Inc's open interest reflects the total number of outstanding contracts that have not been closed or exercised, making it a powerful gauge of liquidity, conviction, and potential support and resistance zones. Use our scanner to monitor CIGI options open interest in real time and find the strikes that matter.
Open interest is distinct from volume: volume counts how many contracts are traded in a session, while open interest counts how many remain open at the end of the day. Rising CIGI options open interest alongside rising volume suggests new positions are being built, while falling open interest signals positions are being closed. Heavy open interest at specific strikes often acts as a magnet near expiration and can hint at where dealers and large traders expect Colliers International Group Inc to settle.
Colliers International Group Inc. provides commercial real estate professional and investment management services to corporate and institutional clients in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. It offers sales brokerage services, including real estate sales, debt origination and placement, equity capital raising, market value opinions, acquisition advisory, and transaction management services; and landlord and tenant representation services. The company provides outsourcing and advisory services, such as corporate and workplace solutions; valuation and advisory services; workplace strategy services; loan servicing; property marketing; research services; and engineering design services for property and building, infrastructure, transportation, environmental and telecommunications end-markets.
It also offers property management services comprising building operations and maintenance, facilities management, lease administration, property accounting and financial reporting, contract management and, construction management; and project management services, which include bid document review, construction monitoring and delivery management, contract administration and integrated cost control, development management, facility and engineering functionality, milestone and performance monitoring, quality assurance, risk management and strategic project consulting. In addition, the company provides investment management services that consists of asset management advisory and administration, transaction, and incentive services. The company was founded in 1972 and is headquartered in Toronto, Canada.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where CIGI open interest is concentrated. Our scanner maps Colliers International Group Inc's open interest across every strike and expiry, flags unusual buildups, and lets you drill into the contracts that institutional money is actually holding. Trade Colliers International Group Inc's options open interest as the signal it is, not as an afterthought.
| 110.00 | — | 4.80 | 4.80 | 119% | +0.3181 | 4 |
| 120.00 | — | 4.80 | 4.80 | 143% | +0.2815 | 4 |
| 125.00 | — | 4.80 | 4.80 | 154% | +0.2685 | 4 |
| 115.00 | — | 4.80 | 4.80 | 132% | +0.2976 | 3 |
| 90.00 | 1.00 | 4.90 | 2.95 | 23% | +0.6258 | 1 |
| 95.00 | 2.15 | 6.50 | 4.33 | 24% | -0.7272 | 62 |
| 90.00 | — | 4.80 | 4.80 | 61% | -0.4258 | 11 |
| 105.00 | 11.50 | 16.00 | 13.75 | 38% | -0.9169 | 1 |
| 55.00 | — | 1.05 | 1.05 | 150% | -0.0610 | 0 |
| 60.00 | — | 4.80 | 4.80 | 216% | -0.1459 | 0 |
As of September 23, 2026
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