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Contract OI history

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Nov 20, 2026 EXPIRATION

GAP $20.00 Put

GAP261120P00020000

Latest saved OI304Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GAP $20.00 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. 3341670 2026-10-02: 183 OI2026-10-05: 186 OI2026-10-06: 235 OI2026-10-07: 237 OI2026-10-08: 241 OI2026-10-09: 271 OI2026-10-13: 274 OI2026-10-14: 276 OI2026-10-15: 334 OI2026-10-16: 331 OI2026-10-21: 300 OI2026-10-23: 304 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, 2026Viewing304+4
Oct 21, 2026300-31
Oct 16, 2026331-3
Oct 15, 2026334+58
Oct 14, 2026276+2
Oct 13, 2026274+3
Oct 09, 2026271+30
Oct 08, 2026241+4
Oct 07, 2026237+2
Oct 06, 2026235+49
Oct 05, 2026186+3
Oct 02, 2026183No prior observation