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Contract OI history

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Jan 21, 2028 EXPIRATION

TSSI $12.50 Call

TSSI280121C00012500

Latest saved OI158Oct 23, 2026
Last change-3vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TSSI $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. 162810 2026-10-09: 162 OI2026-10-14: 162 OI2026-10-15: 161 OI2026-10-16: 161 OI2026-10-21: 161 OI2026-10-23: 158 OI Oct 09, 2026Oct 23, 2026

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

TSSI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026158-3
Oct 21, 2026Viewing1610
Oct 16, 20261610
Oct 15, 2026161-1
Oct 14, 20261620
Oct 09, 2026162No prior observation