OITracker Cboe delayed data

Contract OI history

Back to MOS

Jan 21, 2028 EXPIRATION

MOS $17.50 Call

MOS280121C00017500

Latest saved OI866Oct 23, 2026
Last change+52vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $17.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8664330 2026-10-02: 547 OI2026-10-05: 547 OI2026-10-06: 547 OI2026-10-07: 547 OI2026-10-08: 547 OI2026-10-09: 542 OI2026-10-13: 699 OI2026-10-14: 699 OI2026-10-15: 699 OI2026-10-16: 699 OI2026-10-21: 814 OI2026-10-23: 866 OI Oct 02, 2026Oct 23, 2026

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

MOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026866+52
Oct 21, 2026Viewing814+115
Oct 16, 20266990
Oct 15, 20266990
Oct 14, 20266990
Oct 13, 2026699+157
Oct 09, 2026542-5
Oct 08, 20265470
Oct 07, 20265470
Oct 06, 20265470
Oct 05, 20265470
Oct 02, 2026547No prior observation