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Contract OI history

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Mar 19, 2027 EXPIRATION

CBRS $170.00 Put

CBRS270319P00170000

Latest saved OI232Oct 23, 2026
Last change+11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CBRS $170.00 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. 2321160 2026-10-09: 120 OI2026-10-13: 120 OI2026-10-14: 120 OI2026-10-15: 119 OI2026-10-16: 150 OI2026-10-21: 221 OI2026-10-23: 232 OI Oct 09, 2026Oct 23, 2026

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

CBRS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing232+11
Oct 21, 2026221+71
Oct 16, 2026150+31
Oct 15, 2026119-1
Oct 14, 20261200
Oct 13, 20261200
Oct 09, 2026120No prior observation