OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SCHW $55.00 Put

SCHW270115P00055000

Latest saved OI2,341Oct 23, 2026
Last change-37vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SCHW $55.00 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. 2,3781,1890 2026-10-02: 2,365 OI2026-10-05: 2,364 OI2026-10-06: 2,364 OI2026-10-07: 2,364 OI2026-10-08: 2,364 OI2026-10-09: 2,364 OI2026-10-13: 2,378 OI2026-10-14: 2,378 OI2026-10-15: 2,378 OI2026-10-16: 2,378 OI2026-10-21: 2,378 OI2026-10-23: 2,341 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, 2026Viewing2,341-37
Oct 21, 20262,3780
Oct 16, 20262,3780
Oct 15, 20262,3780
Oct 14, 20262,3780
Oct 13, 20262,378+14
Oct 09, 20262,3640
Oct 08, 20262,3640
Oct 07, 20262,3640
Oct 06, 20262,3640
Oct 05, 20262,364-1
Oct 02, 20262,365No prior observation