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Contract OI history

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Mar 19, 2027 EXPIRATION

ZS $175.00 Put

ZS270319P00175000

Latest saved OI257Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $175.00 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. 2571280 2026-10-09: 54 OI2026-10-12: 54 OI2026-10-14: 257 OI2026-10-15: 257 OI2026-10-16: 257 OI2026-10-21: 257 OI2026-10-23: 257 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, 2026Viewing2570
Oct 21, 20262570
Oct 16, 20262570
Oct 15, 20262570
Oct 14, 2026257+203
Oct 12, 2026540
Oct 09, 202654No prior observation