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Contract OI history

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Jun 17, 2027 EXPIRATION

TLSA $2.50 Call

TLSA270617C00002500

Latest saved OI49Oct 23, 2026
Last change0vs previous saved observation
Saved market days3Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
TLSA $2.50 call open interest history 3 saved observations from 2026-10-16 to 2026-10-23. Exact values and changes are listed in the table below. 49240 2026-10-16: 0 OI2026-10-21: 49 OI2026-10-23: 49 OI Oct 16, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TLSA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026490
Oct 21, 2026Viewing49+49
Oct 16, 20260No prior observation