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Contract OI history

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Dec 18, 2026 EXPIRATION

SPT $12.50 Call

SPT261218C00012500

Latest saved OI941Oct 23, 2026
Last change+98vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SPT $12.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 9414700 2026-10-09: 226 OI2026-10-13: 298 OI2026-10-15: 298 OI2026-10-16: 718 OI2026-10-20: 843 OI2026-10-23: 941 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, 2026Viewing941+98
Oct 20, 2026843+125
Oct 16, 2026718+420
Oct 15, 20262980
Oct 13, 2026298+72
Oct 09, 2026226No prior observation