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Contract OI history

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Nov 20, 2026 EXPIRATION

RSKD $7.50 Put

RSKD261120P00007500

Latest saved OI399Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RSKD $7.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3991990 2026-10-02: 337 OI2026-10-05: 356 OI2026-10-06: 356 OI2026-10-07: 356 OI2026-10-08: 387 OI2026-10-09: 392 OI2026-10-13: 396 OI2026-10-14: 396 OI2026-10-16: 392 OI2026-10-20: 398 OI2026-10-23: 399 OI Oct 02, 2026Oct 23, 2026

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

RSKD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing399+1
Oct 20, 2026398+6
Oct 16, 2026392-4
Oct 14, 20263960
Oct 13, 2026396+4
Oct 09, 2026392+5
Oct 08, 2026387+31
Oct 07, 20263560
Oct 06, 20263560
Oct 05, 2026356+19
Oct 02, 2026337No prior observation