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Contract OI history

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Oct 30, 2026 EXPIRATION

CSCO $118.00 Put

CSCO261030P00118000

Latest saved OI300Oct 23, 2026
Last change-259vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $118.00 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. 5592790 2026-10-09: 503 OI2026-10-13: 550 OI2026-10-14: 550 OI2026-10-15: 550 OI2026-10-16: 550 OI2026-10-21: 559 OI2026-10-23: 300 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, 2026Viewing300-259
Oct 21, 2026559+9
Oct 16, 20265500
Oct 15, 20265500
Oct 14, 20265500
Oct 13, 2026550+47
Oct 09, 2026503No prior observation