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Contract OI history

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Jan 15, 2027 EXPIRATION

PTLO $4.00 Call

PTLO270115C00004000

Latest saved OI683Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PTLO $4.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 6863430 2026-10-08: 686 OI2026-10-09: 686 OI2026-10-13: 686 OI2026-10-14: 686 OI2026-10-16: 686 OI2026-10-20: 683 OI2026-10-23: 683 OI Oct 08, 2026Oct 23, 2026

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

PTLO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20266830
Oct 20, 2026Viewing683-3
Oct 16, 20266860
Oct 14, 20266860
Oct 13, 20266860
Oct 09, 20266860
Oct 08, 2026686No prior observation