OITracker Cboe delayed data

Contract OI history

Back to RKLB

May 21, 2027 EXPIRATION

RKLB $55.00 Call

RKLB270521C00055000

Latest saved OI103Oct 23, 2026
Last change+17vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
RKLB $55.00 call open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 103510 2026-10-13: 2 OI2026-10-14: 2 OI2026-10-15: 4 OI2026-10-16: 54 OI2026-10-21: 86 OI2026-10-23: 103 OI Oct 13, 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, 2026Viewing103+17
Oct 21, 202686+32
Oct 16, 202654+50
Oct 15, 20264+2
Oct 14, 202620
Oct 13, 20262No prior observation