CBOE GLOBAL MKTS INC

Ticker: CBOE CUSIP: 12503M108 Class: COM

Calamos Advisors LLC's Holding History (CIK: 0001316507)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 84,667 Value ($000) $21,251 Avg Close $248.74 Range $231.60 - $262.98

Q3 2025

Shares 88,105 Value ($000) $21,608 Avg Close $240.25 Range $227.43 - $255.27

Q2 2025

Shares 88,105 Value ($000) $20,547 Avg Close $222.22 Range $200.32 - $235.37

Q1 2025

Shares 88,105 Value ($000) $19,937 Avg Close $206.46 Range $186.22 - $226.59

Q4 2024

Shares 87,124 Value ($000) $17,024 Avg Close $204.35 Range $190.02 - $219.74

Q3 2024

Shares 87,124 Value ($000) $17,849 Avg Close $194.33 Range $164.93 - $213.67

Q2 2024

Shares 89,262 Value ($000) $15,180 Avg Close $175.11 Range $164.19 - $183.42

Q1 2024

Shares 92,520 Value ($000) $16,999 Avg Close $181.47 Range $169.28 - $195.50

Q4 2023

Shares 94,847 Value ($000) $16,936 Avg Close $168.03 Range $151.05 - $180.51

Q3 2023

Shares 96,086 Value ($000) $15,010 Avg Close $143.77 Range $131.76 - $155.45

Q2 2023

Shares 96,086 Value ($000) $13,261 Avg Close $132.86 Range $127.76 - $136.91

Q1 2023

Shares 96,086 Value ($000) $12,899 Avg Close $121.75 Range $112.45 - $130.51

Q4 2022

Shares 108,098 Value ($000) $13,563 Avg Close $119.21 Range $110.13 - $126.40

Q3 2022

Shares 127,211 Value ($000) $14,931 Avg Close $115.77 Range $107.47 - $121.87

Q2 2022

Shares 127,211 Value ($000) $14,399 Avg Close $107.56 Range $99.29 - $116.66

Q1 2022

Shares 123,785 Value ($000) $14,163 Avg Close $112.97 Range $105.92 - $123.75

Q4 2021

Shares 107,309 Value ($000) $13,993 Avg Close $122.57 Range $113.03 - $128.72

Q3 2021

Shares 149,297 Value ($000) $18,492 Avg Close $115.62 Range $108.02 - $131.39

Q2 2021

Shares 136,125 Value ($000) $16,206 Avg Close $103.46 Range $92.38 - $115.58

Q1 2021

Shares 105,169 Value ($000) $10,379 Avg Close $91.73 Range $81.58 - $100.68

Q4 2020

Shares 101,919 Value ($000) $9,491 Avg Close $81.85 Range $72.46 - $88.23

Q3 2020

Shares 106,332 Value ($000) $9,330 Avg Close $83.74 Range $78.21 - $90.86

Q2 2020

Shares 115,760 Value ($000) $10,798 Avg Close $91.32 Range $78.63 - $99.53

Q1 2020

Shares 387,443 Value ($000) $34,579 Avg Close $103.43 Range $66.67 - $118.10

Q4 2019

Shares 707,652 Value ($000) $84,918 Avg Close $108.09 Range $103.26 - $114.94

Q3 2019

Shares 710,036 Value ($000) $81,590 Avg Close $106.30 Range $95.67 - $112.76

Q2 2019

Shares 780,161 Value ($000) $80,848 Avg Close $94.92 Range $86.04 - $103.62

Q1 2019

Shares 851,324 Value ($000) $81,250 Avg Close $86.61 Range $81.66 - $90.72

Q4 2018

Shares 732,593 Value ($000) $71,670 Avg Close $94.76 Range $80.14 - $104.68

Q3 2018

Shares 890,456 Value ($000) $85,448 Avg Close $91.50 Range $82.59 - $99.23

Q2 2018

Shares 619,398 Value ($000) $64,461 Avg Close $95.60 Range $87.90 - $104.09

Q2 2017

Shares 183,392 Value ($000) $16,762 Avg Close $76.47 Range $71.59 - $82.39

Q1 2017

Shares 343,193 Value ($000) $27,823 Avg Close $69.83 Range $64.71 - $72.77

Q4 2016

Shares 337,459 Value ($000) $24,935 Avg Close $61.26 Range $54.73 - $68.94

Q3 2014

Shares 7,875 Value ($000) $422 Avg Close $44.08 Range $40.03 - $48.69

Q2 2014

Shares 7,875 Value ($000) $388 Avg Close $43.57 Range $40.31 - $48.86

Q1 2014

Shares 7,875 Value ($000) $446 Avg Close $45.89 Range $41.21 - $50.84

Q4 2013

Shares 12,225 Value ($000) $635 Avg Close $42.59 Range $37.85 - $46.22

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	84,667	$21,251	$248.74	$231.60 - $262.98
Q3 2025	88,105	$21,608	$240.25	$227.43 - $255.27
Q2 2025	88,105	$20,547	$222.22	$200.32 - $235.37
Q1 2025	88,105	$19,937	$206.46	$186.22 - $226.59
Q4 2024	87,124	$17,024	$204.35	$190.02 - $219.74
Q3 2024	87,124	$17,849	$194.33	$164.93 - $213.67
Q2 2024	89,262	$15,180	$175.11	$164.19 - $183.42
Q1 2024	92,520	$16,999	$181.47	$169.28 - $195.50
Q4 2023	94,847	$16,936	$168.03	$151.05 - $180.51
Q3 2023	96,086	$15,010	$143.77	$131.76 - $155.45
Q2 2023	96,086	$13,261	$132.86	$127.76 - $136.91
Q1 2023	96,086	$12,899	$121.75	$112.45 - $130.51
Q4 2022	108,098	$13,563	$119.21	$110.13 - $126.40
Q3 2022	127,211	$14,931	$115.77	$107.47 - $121.87
Q2 2022	127,211	$14,399	$107.56	$99.29 - $116.66
Q1 2022	123,785	$14,163	$112.97	$105.92 - $123.75
Q4 2021	107,309	$13,993	$122.57	$113.03 - $128.72
Q3 2021	149,297	$18,492	$115.62	$108.02 - $131.39
Q2 2021	136,125	$16,206	$103.46	$92.38 - $115.58
Q1 2021	105,169	$10,379	$91.73	$81.58 - $100.68
Q4 2020	101,919	$9,491	$81.85	$72.46 - $88.23
Q3 2020	106,332	$9,330	$83.74	$78.21 - $90.86
Q2 2020	115,760	$10,798	$91.32	$78.63 - $99.53
Q1 2020	387,443	$34,579	$103.43	$66.67 - $118.10
Q4 2019	707,652	$84,918	$108.09	$103.26 - $114.94
Q3 2019	710,036	$81,590	$106.30	$95.67 - $112.76
Q2 2019	780,161	$80,848	$94.92	$86.04 - $103.62
Q1 2019	851,324	$81,250	$86.61	$81.66 - $90.72
Q4 2018	732,593	$71,670	$94.76	$80.14 - $104.68
Q3 2018	890,456	$85,448	$91.50	$82.59 - $99.23
Q2 2018	619,398	$64,461	$95.60	$87.90 - $104.09
Q2 2017	183,392	$16,762	$76.47	$71.59 - $82.39
Q1 2017	343,193	$27,823	$69.83	$64.71 - $72.77
Q4 2016	337,459	$24,935	$61.26	$54.73 - $68.94
Q3 2014	7,875	$422	$44.08	$40.03 - $48.69
Q2 2014	7,875	$388	$43.57	$40.31 - $48.86
Q1 2014	7,875	$446	$45.89	$41.21 - $50.84
Q4 2013	12,225	$635	$42.59	$37.85 - $46.22