OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

FUN $17.50 Put

FUN280121P00017500

Latest saved OI136Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FUN $17.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 136680 2026-10-02: 130 OI2026-10-05: 130 OI2026-10-06: 135 OI2026-10-07: 135 OI2026-10-09: 135 OI2026-10-13: 135 OI2026-10-14: 135 OI2026-10-15: 135 OI2026-10-16: 135 OI2026-10-21: 136 OI2026-10-23: 136 OI Oct 02, 2026Oct 23, 2026

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

FUN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261360
Oct 21, 2026Viewing136+1
Oct 16, 20261350
Oct 15, 20261350
Oct 14, 20261350
Oct 13, 20261350
Oct 09, 20261350
Oct 07, 20261350
Oct 06, 2026135+5
Oct 05, 20261300
Oct 02, 2026130No prior observation