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Contract OI history

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Jan 15, 2027 EXPIRATION

SPT $12.50 Call

SPT270115C00012500

Latest saved OI136Oct 23, 2026
Last change+1vs 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. 136680 2026-10-09: 122 OI2026-10-13: 132 OI2026-10-15: 133 OI2026-10-16: 133 OI2026-10-20: 135 OI2026-10-23: 136 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, 2026Viewing136+1
Oct 20, 2026135+2
Oct 16, 20261330
Oct 15, 2026133+1
Oct 13, 2026132+10
Oct 09, 2026122No prior observation