OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

W $70.00 Put

W271217P00070000

Latest saved OI650Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
W $70.00 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. 6503250 2026-10-02: 648 OI2026-10-05: 648 OI2026-10-06: 648 OI2026-10-07: 648 OI2026-10-08: 649 OI2026-10-09: 649 OI2026-10-13: 650 OI2026-10-14: 650 OI2026-10-15: 650 OI2026-10-16: 650 OI2026-10-21: 650 OI2026-10-23: 650 OI Oct 02, 2026Oct 23, 2026

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

W contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6500
Oct 21, 20266500
Oct 16, 20266500
Oct 15, 20266500
Oct 14, 20266500
Oct 13, 2026650+1
Oct 09, 20266490
Oct 08, 2026649+1
Oct 07, 20266480
Oct 06, 20266480
Oct 05, 20266480
Oct 02, 2026648No prior observation