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Contract OI history

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Dec 18, 2026 EXPIRATION

RKLB $55.00 Put

RKLB261218P00055000

Latest saved OI4,630Oct 23, 2026
Last change+355vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RKLB $55.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,6302,3150 2026-10-09: 3,657 OI2026-10-13: 3,824 OI2026-10-14: 3,824 OI2026-10-15: 3,929 OI2026-10-16: 4,088 OI2026-10-21: 4,275 OI2026-10-23: 4,630 OI Oct 09, 2026Oct 23, 2026

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

RKLB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,630+355
Oct 21, 20264,275+187
Oct 16, 20264,088+159
Oct 15, 20263,929+105
Oct 14, 20263,8240
Oct 13, 20263,824+167
Oct 09, 20263,657No prior observation