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Contract OI history

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Dec 18, 2026 EXPIRATION

SPT $10.00 Put

SPT261218P00010000

Latest saved OI114Oct 23, 2026
Last change+10vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SPT $10.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 114570 2026-10-09: 106 OI2026-10-13: 104 OI2026-10-15: 104 OI2026-10-16: 104 OI2026-10-20: 104 OI2026-10-23: 114 OI Oct 09, 2026Oct 23, 2026

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

SPT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing114+10
Oct 20, 20261040
Oct 16, 20261040
Oct 15, 20261040
Oct 13, 2026104-2
Oct 09, 2026106No prior observation