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Contract OI history

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Dec 15, 2028 EXPIRATION

SCHW $42.50 Put

SCHW281215P00042500

Latest saved OI204Oct 23, 2026
Last change+15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SCHW $42.50 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. 2041020 2026-10-02: 174 OI2026-10-05: 174 OI2026-10-06: 174 OI2026-10-07: 174 OI2026-10-08: 174 OI2026-10-09: 174 OI2026-10-13: 174 OI2026-10-14: 174 OI2026-10-15: 189 OI2026-10-16: 189 OI2026-10-21: 189 OI2026-10-23: 204 OI Oct 02, 2026Oct 23, 2026

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

SCHW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing204+15
Oct 21, 20261890
Oct 16, 20261890
Oct 15, 2026189+15
Oct 14, 20261740
Oct 13, 20261740
Oct 09, 20261740
Oct 08, 20261740
Oct 07, 20261740
Oct 06, 20261740
Oct 05, 20261740
Oct 02, 2026174No prior observation