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Contract OI history

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Jan 15, 2027 EXPIRATION

PTLO $1000.00 Call

PTLO270115C00001000

Latest saved OI84Oct 23, 2026
Last change-50vs 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. 134670 2026-10-08: 98 OI2026-10-09: 98 OI2026-10-13: 84 OI2026-10-14: 84 OI2026-10-16: 134 OI2026-10-20: 134 OI2026-10-23: 84 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, 2026Viewing84-50
Oct 20, 20261340
Oct 16, 2026134+50
Oct 14, 2026840
Oct 13, 202684-14
Oct 09, 2026980
Oct 08, 202698No prior observation