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Contract OI history

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Jan 15, 2027 EXPIRATION

ZS $135.00 Put

ZS270115P00135000

Latest saved OI586Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $135.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5862930 2026-10-09: 576 OI2026-10-12: 576 OI2026-10-14: 576 OI2026-10-15: 576 OI2026-10-16: 576 OI2026-10-21: 584 OI2026-10-23: 586 OI Oct 09, 2026Oct 23, 2026

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

ZS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026586+2
Oct 21, 2026Viewing584+8
Oct 16, 20265760
Oct 15, 20265760
Oct 14, 20265760
Oct 12, 20265760
Oct 09, 2026576No prior observation