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Contract OI history

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May 21, 2027 EXPIRATION

ALK $37.50 Call

ALK270521C00037500

Latest saved OI33Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALK $37.50 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. 33160 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 21 OI2026-10-08: 21 OI2026-10-09: 21 OI2026-10-13: 21 OI2026-10-14: 33 OI2026-10-15: 33 OI2026-10-16: 33 OI2026-10-21: 33 OI2026-10-23: 33 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, 2026Viewing330
Oct 21, 2026330
Oct 16, 2026330
Oct 15, 2026330
Oct 14, 202633+12
Oct 13, 2026210
Oct 09, 2026210
Oct 08, 2026210
Oct 07, 202621+20
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation