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Contract OI history

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Nov 20, 2026 EXPIRATION

OTLK $500.00 Put

OTLK261120P00000500

Latest saved OI876Oct 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
OTLK $500.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8764380 2026-10-09: 871 OI2026-10-13: 871 OI2026-10-14: 871 OI2026-10-16: 871 OI2026-10-20: 875 OI2026-10-23: 876 OI Oct 09, 2026Oct 23, 2026

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

OTLK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026876+1
Oct 20, 2026Viewing875+4
Oct 16, 20268710
Oct 14, 20268710
Oct 13, 20268710
Oct 09, 2026871No prior observation