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Contract OI history

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Jan 21, 2028 EXPIRATION

PTLO $5.00 Put

PTLO280121P00005000

Latest saved OI7,296Oct 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 $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. 7,3013,6500 2026-10-08: 7,301 OI2026-10-09: 7,301 OI2026-10-13: 7,301 OI2026-10-14: 7,301 OI2026-10-16: 7,301 OI2026-10-20: 7,296 OI2026-10-23: 7,296 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, 20267,2960
Oct 20, 2026Viewing7,296-5
Oct 16, 20267,3010
Oct 14, 20267,3010
Oct 13, 20267,3010
Oct 09, 20267,3010
Oct 08, 20267,301No prior observation