U.S. Options Market Volume Summary

Notional Value Summary
Volume Summary

Matched Volume	Market^*	Today	5 Day

Cboe (C,W,E,Z)	16,284,684	32.19%	32.29%
NASDAQ (Q,T,X,H,I,J)	15,211,475	30.07%	29.17%
NYSE (A,N)	8,476,121	16.76%	18.25%
MIAX (M,P,D)	8,261,106	16.33%	15.06%
BOX Options	2,348,117	4.64%	5.23%
Total	50,581,503	100%	100%

Data as of 17:00 26/05/2023.
Volume details prior to 2011 exclude proprietary products and other index option volume.

If using this data in a published report, please cite Cboe Global Markets as the source.

Cboe Exchange Market Statistics for Friday, May 26, 2023

Cboe data is compiled for the convenience of site visitors and is furnished without responsibility for accuracy and is accepted by the site visitor on the condition that transmission or omissions shall not be made the basis for any claim, demand or cause for action. The information and data was obtained from sources believed to be reliable, but accuracy is not guaranteed. Your use of Cboe data is subject to the Terms and Conditions of Cboe Websites.

(All times are Central)

Total

TIME	CALLS	PUTS	TOTAL	P/C RATIO
09:00 AM	308050	213392	521442	0.69
09:30 AM	549231	470119	1019350	0.86
10:00 AM	866121	721632	1587753	0.83
10:30 AM	1063924	913601	1977525	0.86
11:00 AM	1251576	1058681	2310257	0.85
11:30 AM	1388745	1172569	2561314	0.84
12:00 PM	1532732	1300072	2832804	0.85
12:30 PM	1680330	1403186	3083516	0.84
01:00 PM	1797923	1497898	3295821	0.83
01:30 PM	1926171	1611958	3538129	0.84
02:00 PM	2071944	1764580	3836524	0.85
02:30 PM	2295506	1951618	4247124	0.85
03:00 PM	2613122	2340215	4953337	0.90
03:15 PM	2667671	2447203	5114874	0.92

Index Options

TIME	CALLS	PUTS	TOTAL	P/C RATIO
09:00 AM	96894	93443	190337	0.96
09:30 AM	166293	236648	402941	1.42
10:00 AM	299813	331501	631314	1.11
10:30 AM	357201	427078	784279	1.20
11:00 AM	414219	499328	913547	1.21
11:30 AM	452687	549881	1002568	1.21
12:00 PM	494668	616992	1111660	1.25
12:30 PM	545313	655709	1201022	1.20
01:00 PM	580129	697484	1277613	1.20
01:30 PM	611288	759121	1370409	1.24
02:00 PM	676790	848454	1525244	1.25
02:30 PM	790100	967909	1758009	1.23
03:00 PM	946238	1154448	2100686	1.22
03:15 PM	990698	1243364	2234062	1.26

Equity Options

TIME	CALLS	PUTS	TOTAL	P/C RATIO
09:00 AM	211156	119949	331105	0.57
09:30 AM	382938	233471	616409	0.61
10:00 AM	566308	390131	956439	0.69
10:30 AM	706723	486523	1193246	0.69
11:00 AM	837357	559353	1396710	0.67
11:30 AM	936058	622688	1558746	0.67
12:00 PM	1038064	683080	1721144	0.66
12:30 PM	1135017	747477	1882494	0.66
01:00 PM	1217794	800414	2018208	0.66
01:30 PM	1314883	852837	2167720	0.65
02:00 PM	1395154	916126	2311280	0.66
02:30 PM	1505406	983709	2489115	0.65
03:00 PM	1666884	1185767	2852651	0.71
03:15 PM	1676973	1203839	2880812	0.72