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Contract OI history

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Oct 23, 2026 EXPIRATION

PSX $240.00 Put

PSX261023P00240000

Latest saved OI235Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $240.00 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. 2361180 2026-10-02: 47 OI2026-10-05: 92 OI2026-10-06: 193 OI2026-10-07: 193 OI2026-10-08: 193 OI2026-10-09: 192 OI2026-10-13: 189 OI2026-10-14: 189 OI2026-10-15: 236 OI2026-10-16: 236 OI2026-10-21: 235 OI2026-10-23: 235 OI Oct 02, 2026Oct 23, 2026

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

PSX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2350
Oct 21, 2026235-1
Oct 16, 20262360
Oct 15, 2026236+47
Oct 14, 20261890
Oct 13, 2026189-3
Oct 09, 2026192-1
Oct 08, 20261930
Oct 07, 20261930
Oct 06, 2026193+101
Oct 05, 202692+45
Oct 02, 202647No prior observation