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Contract OI history

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Dec 18, 2026 EXPIRATION

D $55.00 Put

D261218P00055000

Latest saved OI284Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
D $55.00 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. 2861430 2026-10-02: 193 OI2026-10-05: 193 OI2026-10-06: 193 OI2026-10-07: 245 OI2026-10-08: 245 OI2026-10-09: 264 OI2026-10-13: 284 OI2026-10-14: 284 OI2026-10-15: 284 OI2026-10-16: 284 OI2026-10-21: 286 OI2026-10-23: 284 OI Oct 02, 2026Oct 23, 2026

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

D contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing284-2
Oct 21, 2026286+2
Oct 16, 20262840
Oct 15, 20262840
Oct 14, 20262840
Oct 13, 2026284+20
Oct 09, 2026264+19
Oct 08, 20262450
Oct 07, 2026245+52
Oct 06, 20261930
Oct 05, 20261930
Oct 02, 2026193No prior observation