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Contract OI history

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Jan 21, 2028 EXPIRATION

PTLO $1000.00 Call

PTLO280121C00001000

Latest saved OI166Oct 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 $1000.00 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. 180900 2026-10-08: 180 OI2026-10-09: 180 OI2026-10-13: 166 OI2026-10-14: 166 OI2026-10-16: 166 OI2026-10-20: 166 OI2026-10-23: 166 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, 20261660
Oct 20, 2026Viewing1660
Oct 16, 20261660
Oct 14, 20261660
Oct 13, 2026166-14
Oct 09, 20261800
Oct 08, 2026180No prior observation