CBOE Holdings Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be positive at 54.86. In total, the insiders bought 107.25K and sold 18.39K CBOE shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.
Insider Power
|
54.86 |
| ● Buy | 107.25K shares |
| ● Sell | 18.39K shares |
|
70% Buy Activity
Moderate Positive Correlation
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
Feb 19, 2026 Buy |
Foley Stephanie EVP, Chro |
594 Value: $170.0K |
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|
Feb 19, 2026 Buy |
Foley Stephanie EVP, Chro |
43 Value: $12.3K |
||
|
Feb 19, 2026 Sell |
Griebenow Jill EVP, CFO |
732 Value: $209.5K |
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|
Feb 19, 2026 Buy |
Griebenow Jill EVP, CFO |
653 Value: $186.9K |
||
|
Feb 19, 2026 Sell |
Griebenow Jill EVP, CFO |
290 Value: $83.0K |
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|
Feb 19, 2026 Buy |
Griebenow Jill EVP, CFO |
1 863 Value: $533.1K |
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|
Feb 19, 2026 Sell |
Griebenow Jill EVP, CFO |
826 Value: $236.4K |
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Feb 19, 2026 Buy |
Griebenow Jill EVP, CFO |
1 652 Value: $472.8K |
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|
Feb 19, 2026 Buy |
Griebenow Jill EVP, CFO |
432 Value: $123.6K |
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Feb 19, 2026 Buy |
Sexton John P EVP, GC And Corp Sec |
880 Value: $251.8K |
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|
Feb 19, 2026 Buy |
Sexton John P EVP, GC And Corp Sec |
84 Value: $24.0K |
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|
Feb 19, 2026 Sell |
Sexton John P EVP, GC And Corp Sec |
433 Value: $123.9K |
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|
Feb 19, 2026 Buy |
Sexton John P EVP, GC And Corp Sec |
902 Value: $258.1K |
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Feb 19, 2026 Sell |
Sexton John P EVP, GC And Corp Sec |
390 Value: $111.6K |
||
|
Feb 19, 2026 Buy |
Griebenow Jill EVP, CFO |
653 Value: $186.9K |
||
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Feb 19, 2026 Buy |
Griebenow Jill EVP, CFO |
1 652 Value: $472.8K |
||
|
Feb 19, 2026 Buy |
Griebenow Jill EVP, CFO |
1 863 Value: $533.1K |
||
|
Feb 19, 2026 Buy |
Griebenow Jill EVP, CFO |
4 980 Value: $1.43M |
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|
Feb 19, 2026 Sell |
Griebenow Jill EVP, CFO |
192 Value: $54.9K |
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Feb 19, 2026 Buy |
Isaacson Christopher A EVP, COO |
1 486 Value: $425.2K |
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|
Feb 19, 2026 Buy |
Isaacson Christopher A EVP, COO |
313 Value: $89.6K |
||
|
Feb 19, 2026 Sell |
Isaacson Christopher A EVP, COO |
139 Value: $39.8K |
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Feb 19, 2026 Sell |
Isaacson Christopher A EVP, COO |
660 Value: $188.9K |
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|
Feb 19, 2026 Sell |
Isaacson Christopher A EVP, COO |
1 104 Value: $315.9K |
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|
Feb 19, 2026 Buy |
Tomczyk Fredric J Director |
10 965 Value: $3.14M |
About Insider Power
Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.
It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.
While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.
* October 6th, 2025 - Tested on 5562 stocks
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