OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

FN $300.00 Put

FN270115P00300000

Latest saved OI115Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FN $300.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2481240 2026-10-02: 248 OI2026-10-05: 248 OI2026-10-06: 248 OI2026-10-07: 248 OI2026-10-08: 248 OI2026-10-09: 248 OI2026-10-13: 142 OI2026-10-14: 142 OI2026-10-15: 143 OI2026-10-16: 144 OI2026-10-21: 115 OI2026-10-23: 115 OI Oct 02, 2026Oct 23, 2026

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

FN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1150
Oct 21, 2026115-29
Oct 16, 2026144+1
Oct 15, 2026143+1
Oct 14, 20261420
Oct 13, 2026142-106
Oct 09, 20262480
Oct 08, 20262480
Oct 07, 20262480
Oct 06, 20262480
Oct 05, 20262480
Oct 02, 2026248No prior observation