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Contract OI history

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Jan 15, 2027 EXPIRATION

PTLO $5.00 Put

PTLO270115P00005000

Latest saved OI231Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PTLO $5.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2311150 2026-10-08: 223 OI2026-10-09: 223 OI2026-10-13: 220 OI2026-10-14: 220 OI2026-10-16: 230 OI2026-10-20: 229 OI2026-10-23: 231 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, 2026231+2
Oct 20, 2026Viewing229-1
Oct 16, 2026230+10
Oct 14, 20262200
Oct 13, 2026220-3
Oct 09, 20262230
Oct 08, 2026223No prior observation