OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SW $30.00 Put

SW270115P00030000

Latest saved OI132Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SW $30.00 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. 135670 2026-10-02: 106 OI2026-10-05: 106 OI2026-10-06: 106 OI2026-10-07: 106 OI2026-10-08: 106 OI2026-10-09: 106 OI2026-10-13: 135 OI2026-10-14: 135 OI2026-10-15: 135 OI2026-10-16: 135 OI2026-10-21: 131 OI2026-10-23: 132 OI Oct 02, 2026Oct 23, 2026

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

SW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026132+1
Oct 21, 2026Viewing131-4
Oct 16, 20261350
Oct 15, 20261350
Oct 14, 20261350
Oct 13, 2026135+29
Oct 09, 20261060
Oct 08, 20261060
Oct 07, 20261060
Oct 06, 20261060
Oct 05, 20261060
Oct 02, 2026106No prior observation