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Contract OI history

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Nov 20, 2026 EXPIRATION

WS $35.00 Put

WS261120P00035000

Latest saved OI38Oct 23, 2026
Last change+17vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WS $35.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 38190 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 11 OI2026-10-07: 11 OI2026-10-08: 11 OI2026-10-09: 11 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-16: 11 OI2026-10-20: 21 OI2026-10-23: 38 OI Oct 02, 2026Oct 23, 2026

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

WS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202638+17
Oct 20, 2026Viewing21+10
Oct 16, 2026110
Oct 14, 2026110
Oct 13, 2026110
Oct 09, 2026110
Oct 08, 2026110
Oct 07, 2026110
Oct 06, 202611+10
Oct 05, 202610
Oct 02, 20261No prior observation