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Contract OI history

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Nov 20, 2026 EXPIRATION

WAL $72.50 Put

WAL261120P00072500

Latest saved OI135Oct 23, 2026
Last change-20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WAL $72.50 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. 177880 2026-10-02: 103 OI2026-10-05: 103 OI2026-10-06: 144 OI2026-10-07: 141 OI2026-10-08: 176 OI2026-10-09: 176 OI2026-10-12: 177 OI2026-10-14: 175 OI2026-10-15: 135 OI2026-10-16: 135 OI2026-10-21: 155 OI2026-10-23: 135 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, 2026Viewing135-20
Oct 21, 2026155+20
Oct 16, 20261350
Oct 15, 2026135-40
Oct 14, 2026175-2
Oct 12, 2026177+1
Oct 09, 20261760
Oct 08, 2026176+35
Oct 07, 2026141-3
Oct 06, 2026144+41
Oct 05, 20261030
Oct 02, 2026103No prior observation