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Contract OI history

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Jan 15, 2027 EXPIRATION

JACK $12.50 Put

JACK270115P00012500

Latest saved OI1,106Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
JACK $12.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,1065530 2026-10-09: 1,104 OI2026-10-13: 1,105 OI2026-10-14: 1,105 OI2026-10-16: 1,105 OI2026-10-20: 1,106 OI2026-10-23: 1,106 OI Oct 09, 2026Oct 23, 2026

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

JACK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,1060
Oct 20, 20261,106+1
Oct 16, 20261,1050
Oct 14, 20261,1050
Oct 13, 20261,105+1
Oct 09, 20261,104No prior observation