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Contract OI history

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Nov 20, 2026 EXPIRATION

WAL $77.50 Put

WAL261120P00077500

Latest saved OI146Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WAL $77.50 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. 146730 2026-10-02: 68 OI2026-10-05: 68 OI2026-10-06: 93 OI2026-10-07: 93 OI2026-10-08: 81 OI2026-10-09: 73 OI2026-10-12: 71 OI2026-10-14: 107 OI2026-10-15: 105 OI2026-10-16: 107 OI2026-10-21: 146 OI2026-10-23: 146 OI Oct 02, 2026Oct 23, 2026

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

WAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1460
Oct 21, 2026146+39
Oct 16, 2026107+2
Oct 15, 2026105-2
Oct 14, 2026107+36
Oct 12, 202671-2
Oct 09, 202673-8
Oct 08, 202681-12
Oct 07, 2026930
Oct 06, 202693+25
Oct 05, 2026680
Oct 02, 202668No prior observation