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Contract OI history

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Jun 17, 2027 EXPIRATION

CSCO $70.00 Put

CSCO270617P00070000

Latest saved OI2,473Oct 23, 2026
Last change+111vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $70.00 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. 2,4731,2360 2026-10-09: 1,013 OI2026-10-13: 1,015 OI2026-10-14: 1,015 OI2026-10-15: 1,015 OI2026-10-16: 1,015 OI2026-10-21: 2,362 OI2026-10-23: 2,473 OI Oct 09, 2026Oct 23, 2026

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

CSCO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,473+111
Oct 21, 20262,362+1,347
Oct 16, 20261,0150
Oct 15, 20261,0150
Oct 14, 20261,0150
Oct 13, 20261,015+2
Oct 09, 20261,013No prior observation