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Contract OI history

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Feb 19, 2027 EXPIRATION

ROCK $30.00 Put

ROCK270219P00030000

Latest saved OI121Oct 23, 2026
Last change+32vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ROCK $30.00 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. 121600 2026-10-09: 16 OI2026-10-13: 16 OI2026-10-14: 58 OI2026-10-15: 58 OI2026-10-16: 58 OI2026-10-20: 89 OI2026-10-23: 121 OI Oct 09, 2026Oct 23, 2026

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

ROCK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing121+32
Oct 20, 202689+31
Oct 16, 2026580
Oct 15, 2026580
Oct 14, 202658+42
Oct 13, 2026160
Oct 09, 202616No prior observation