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Contract OI history

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Mar 19, 2027 EXPIRATION

ALK $55.00 Call

ALK270319C00055000

Latest saved OI1,116Oct 23, 2026
Last change+34vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALK $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. 1,1165580 2026-10-02: 96 OI2026-10-05: 99 OI2026-10-06: 99 OI2026-10-07: 99 OI2026-10-08: 99 OI2026-10-09: 1,081 OI2026-10-13: 1,081 OI2026-10-14: 1,082 OI2026-10-15: 1,082 OI2026-10-16: 1,082 OI2026-10-21: 1,082 OI2026-10-23: 1,116 OI Oct 02, 2026Oct 23, 2026

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

ALK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,116+34
Oct 21, 20261,0820
Oct 16, 20261,0820
Oct 15, 20261,0820
Oct 14, 20261,082+1
Oct 13, 20261,0810
Oct 09, 20261,081+982
Oct 08, 2026990
Oct 07, 2026990
Oct 06, 2026990
Oct 05, 202699+3
Oct 02, 202696No prior observation