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Contract OI history

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Dec 18, 2026 EXPIRATION

TSSI $15.00 Call

TSSI261218C00015000

Latest saved OI1,807Oct 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 $15.00 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. 1,8089040 2026-10-09: 1,353 OI2026-10-14: 1,352 OI2026-10-15: 1,520 OI2026-10-16: 1,807 OI2026-10-21: 1,808 OI2026-10-23: 1,807 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, 20261,807-1
Oct 21, 2026Viewing1,808+1
Oct 16, 20261,807+287
Oct 15, 20261,520+168
Oct 14, 20261,352-1
Oct 09, 20261,353No prior observation