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Contract OI history

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Mar 19, 2027 EXPIRATION

GAP $19.00 Put

GAP270319P00019000

Latest saved OI447Oct 23, 2026
Last change+14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GAP $19.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4472230 2026-10-02: 444 OI2026-10-05: 444 OI2026-10-06: 437 OI2026-10-07: 437 OI2026-10-08: 437 OI2026-10-09: 438 OI2026-10-13: 435 OI2026-10-14: 435 OI2026-10-15: 435 OI2026-10-16: 435 OI2026-10-21: 433 OI2026-10-23: 447 OI Oct 02, 2026Oct 23, 2026

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

GAP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing447+14
Oct 21, 2026433-2
Oct 16, 20264350
Oct 15, 20264350
Oct 14, 20264350
Oct 13, 2026435-3
Oct 09, 2026438+1
Oct 08, 20264370
Oct 07, 20264370
Oct 06, 2026437-7
Oct 05, 20264440
Oct 02, 2026444No prior observation