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Contract OI history

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Jan 15, 2027 EXPIRATION

TSSI $12.50 Call

TSSI270115C00012500

Latest saved OI531Oct 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
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. 5322660 2026-10-09: 524 OI2026-10-14: 527 OI2026-10-15: 532 OI2026-10-16: 528 OI2026-10-21: 530 OI2026-10-23: 531 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, 2026531+1
Oct 21, 2026Viewing530+2
Oct 16, 2026528-4
Oct 15, 2026532+5
Oct 14, 2026527+3
Oct 09, 2026524No prior observation