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Contract OI history

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Jan 21, 2028 EXPIRATION

SERV $10.00 Call

SERV280121C00010000

Latest saved OI3,993Oct 23, 2026
Last change+30vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $10.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,9931,9960 2026-10-09: 3,935 OI2026-10-13: 3,956 OI2026-10-14: 3,962 OI2026-10-16: 3,972 OI2026-10-20: 3,963 OI2026-10-23: 3,993 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SERV contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,993+30
Oct 20, 20263,963-9
Oct 16, 20263,972+10
Oct 14, 20263,962+6
Oct 13, 20263,956+21
Oct 09, 20263,935No prior observation