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Contract OI history

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Jan 21, 2028 EXPIRATION

PSX $400.00 Call

PSX280121C00400000

Latest saved OI53Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $400.00 call open interest history 10 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 53260 2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 40 OI2026-10-13: 53 OI2026-10-14: 53 OI2026-10-15: 53 OI2026-10-16: 53 OI2026-10-21: 53 OI2026-10-23: 53 OI Oct 06, 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, 2026Viewing530
Oct 21, 2026530
Oct 16, 2026530
Oct 15, 2026530
Oct 14, 2026530
Oct 13, 202653+13
Oct 09, 202640+40
Oct 08, 202600
Oct 07, 202600
Oct 06, 20260No prior observation