Colliers International Group Inc. (CIGI) Options History
Historical options analytics archive for CIGI with monthly max pain, implied volatility, gamma exposure, and put/call data.
60 months of complete options data available.
CIGI monthly aggregates
Month-by-month rollups derived from the daily snapshot archive for CIGI. Volatility and put/call columns are averages across trading days within the month; max pain, net GEX, and net DEX are the end-of-month values (last trading day of the month).
| Month | Days | Avg ATM IV | Avg IV Rank | End Max Pain | End Net GEX | End Net DEX | Avg P/C |
|---|---|---|---|---|---|---|---|
| 2026-05 | 18 | 114.8% | 29.3% | $95.00 | $38.3K | $1.7M | 5.79 |
| 2026-04 | 17 | 46.0% | 73.3% | $115.00 | -$63.3K | $2.7M | 1.09 |
| 2026-03 | 19 | 42.2% | 59.5% | $105.00 | -$32.8K | $1.8M | 20.57 |
| 2026-02 | 19 | 42.1% | 59.4% | $130.00 | -$495 | $2.9M | 2.28 |
| 2026-01 | 20 | 32.6% | 39.8% | $140.00 | -$25.3K | $857.9K | 0.15 |
| 2025-12 | 22 | 20.8% | 15.5% | $150.00 | -$26.8K | $184.6K | 0.26 |
2026
2025
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2024
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2023
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2022
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