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Contract OI history

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Mar 19, 2027 EXPIRATION

TSSI $12.50 Call

TSSI270319C00012500

Latest saved OI495Oct 23, 2026
Last change+19vs 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. 4952470 2026-10-09: 475 OI2026-10-14: 480 OI2026-10-15: 483 OI2026-10-16: 483 OI2026-10-21: 476 OI2026-10-23: 495 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, 2026495+19
Oct 21, 2026Viewing476-7
Oct 16, 20264830
Oct 15, 2026483+3
Oct 14, 2026480+5
Oct 09, 2026475No prior observation