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Contract OI history

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Jan 19, 2029 EXPIRATION

STM $55.00 Call

STM290119C00055000

Latest saved OI102Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $55.00 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. 108540 2026-10-02: 53 OI2026-10-05: 99 OI2026-10-06: 97 OI2026-10-07: 101 OI2026-10-08: 101 OI2026-10-09: 101 OI2026-10-13: 106 OI2026-10-14: 106 OI2026-10-15: 108 OI2026-10-16: 108 OI2026-10-21: 102 OI2026-10-23: 102 OI Oct 02, 2026Oct 23, 2026

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

STM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261020
Oct 21, 2026Viewing102-6
Oct 16, 20261080
Oct 15, 2026108+2
Oct 14, 20261060
Oct 13, 2026106+5
Oct 09, 20261010
Oct 08, 20261010
Oct 07, 2026101+4
Oct 06, 202697-2
Oct 05, 202699+46
Oct 02, 202653No prior observation