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Contract OI history

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Dec 18, 2026 EXPIRATION

RKLB $42.00 Put

RKLB261218P00042000

Latest saved OI1,538Oct 23, 2026
Last change+79vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RKLB $42.00 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. 1,5387690 2026-10-09: 1,231 OI2026-10-13: 1,318 OI2026-10-14: 1,318 OI2026-10-15: 1,319 OI2026-10-16: 1,335 OI2026-10-21: 1,459 OI2026-10-23: 1,538 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, 2026Viewing1,538+79
Oct 21, 20261,459+124
Oct 16, 20261,335+16
Oct 15, 20261,319+1
Oct 14, 20261,3180
Oct 13, 20261,318+87
Oct 09, 20261,231No prior observation