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Contract OI history

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Dec 18, 2026 EXPIRATION

TSSI $12.50 Call

TSSI261218C00012500

Latest saved OI1,363Oct 23, 2026
Last change0vs 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. 1,7458720 2026-10-09: 1,745 OI2026-10-14: 1,367 OI2026-10-15: 1,379 OI2026-10-16: 1,389 OI2026-10-21: 1,363 OI2026-10-23: 1,363 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, 20261,3630
Oct 21, 2026Viewing1,363-26
Oct 16, 20261,389+10
Oct 15, 20261,379+12
Oct 14, 20261,367-378
Oct 09, 20261,745No prior observation