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Contract OI history

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Mar 19, 2027 EXPIRATION

SCHW $77.50 Put

SCHW270319P00077500

Latest saved OI197Oct 23, 2026
Last change+14vs 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. 197980 2026-10-02: 13 OI2026-10-05: 14 OI2026-10-06: 14 OI2026-10-07: 15 OI2026-10-08: 15 OI2026-10-09: 15 OI2026-10-13: 15 OI2026-10-14: 15 OI2026-10-15: 32 OI2026-10-16: 32 OI2026-10-21: 183 OI2026-10-23: 197 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, 2026Viewing197+14
Oct 21, 2026183+151
Oct 16, 2026320
Oct 15, 202632+17
Oct 14, 2026150
Oct 13, 2026150
Oct 09, 2026150
Oct 08, 2026150
Oct 07, 202615+1
Oct 06, 2026140
Oct 05, 202614+1
Oct 02, 202613No prior observation