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Contract OI history

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Dec 18, 2026 EXPIRATION

POR $50.00 Call

POR261218C00050000

Latest saved OI244Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
POR $50.00 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. 2471230 2026-10-02: 211 OI2026-10-05: 221 OI2026-10-06: 224 OI2026-10-07: 224 OI2026-10-08: 228 OI2026-10-09: 228 OI2026-10-13: 228 OI2026-10-14: 228 OI2026-10-15: 228 OI2026-10-16: 228 OI2026-10-21: 247 OI2026-10-23: 244 OI Oct 02, 2026Oct 23, 2026

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

POR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing244-3
Oct 21, 2026247+19
Oct 16, 20262280
Oct 15, 20262280
Oct 14, 20262280
Oct 13, 20262280
Oct 09, 20262280
Oct 08, 2026228+4
Oct 07, 20262240
Oct 06, 2026224+3
Oct 05, 2026221+10
Oct 02, 2026211No prior observation