OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

S $19.00 Put

S270319P00019000

Latest saved OI59Oct 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
S $19.00 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. 59290 2026-10-02: 19 OI2026-10-05: 19 OI2026-10-06: 28 OI2026-10-07: 28 OI2026-10-08: 28 OI2026-10-09: 28 OI2026-10-13: 28 OI2026-10-14: 28 OI2026-10-15: 32 OI2026-10-16: 32 OI2026-10-21: 58 OI2026-10-23: 59 OI Oct 02, 2026Oct 23, 2026

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

S contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing59+1
Oct 21, 202658+26
Oct 16, 2026320
Oct 15, 202632+4
Oct 14, 2026280
Oct 13, 2026280
Oct 09, 2026280
Oct 08, 2026280
Oct 07, 2026280
Oct 06, 202628+9
Oct 05, 2026190
Oct 02, 202619No prior observation