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Contract OI history

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Jan 21, 2028 EXPIRATION

TSSI $20.00 Call

TSSI280121C00020000

Latest saved OI307Oct 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 $20.00 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. 3071530 2026-10-09: 307 OI2026-10-14: 305 OI2026-10-15: 305 OI2026-10-16: 305 OI2026-10-21: 307 OI2026-10-23: 307 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, 20263070
Oct 21, 2026Viewing307+2
Oct 16, 20263050
Oct 15, 20263050
Oct 14, 2026305-2
Oct 09, 2026307No prior observation