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Contract OI history

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Oct 30, 2026 EXPIRATION

M $21.50 Call

M261030C00021500

Latest saved OI656Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $21.50 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. 6573280 2026-10-02: 11 OI2026-10-05: 11 OI2026-10-06: 16 OI2026-10-07: 16 OI2026-10-08: 16 OI2026-10-09: 646 OI2026-10-13: 646 OI2026-10-14: 646 OI2026-10-15: 657 OI2026-10-16: 656 OI2026-10-21: 656 OI2026-10-23: 656 OI Oct 02, 2026Oct 23, 2026

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

M contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6560
Oct 21, 20266560
Oct 16, 2026656-1
Oct 15, 2026657+11
Oct 14, 20266460
Oct 13, 20266460
Oct 09, 2026646+630
Oct 08, 2026160
Oct 07, 2026160
Oct 06, 202616+5
Oct 05, 2026110
Oct 02, 202611No prior observation