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Contract OI history

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Jan 21, 2028 EXPIRATION

SCHW $77.50 Put

SCHW280121P00077500

Latest saved OI362Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SCHW $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. 3621810 2026-10-02: 138 OI2026-10-05: 149 OI2026-10-06: 149 OI2026-10-07: 149 OI2026-10-08: 149 OI2026-10-09: 149 OI2026-10-13: 148 OI2026-10-14: 148 OI2026-10-15: 148 OI2026-10-16: 148 OI2026-10-21: 362 OI2026-10-23: 362 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, 2026Viewing3620
Oct 21, 2026362+214
Oct 16, 20261480
Oct 15, 20261480
Oct 14, 20261480
Oct 13, 2026148-1
Oct 09, 20261490
Oct 08, 20261490
Oct 07, 20261490
Oct 06, 20261490
Oct 05, 2026149+11
Oct 02, 2026138No prior observation