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Contract OI history

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Mar 19, 2027 EXPIRATION

TSSI $20.00 Call

TSSI270319C00020000

Latest saved OI575Oct 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. 5852920 2026-10-09: 585 OI2026-10-14: 585 OI2026-10-15: 585 OI2026-10-16: 585 OI2026-10-21: 575 OI2026-10-23: 575 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, 20265750
Oct 21, 2026Viewing575-10
Oct 16, 20265850
Oct 15, 20265850
Oct 14, 20265850
Oct 09, 2026585No prior observation