OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

STRL $420.00 Put

STRL270115P00420000

Latest saved OI32Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STRL $420.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 33160 2026-10-09: 20 OI2026-10-13: 31 OI2026-10-14: 31 OI2026-10-15: 33 OI2026-10-16: 33 OI2026-10-21: 33 OI2026-10-23: 32 OI Oct 09, 2026Oct 23, 2026

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

STRL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202632-1
Oct 21, 2026Viewing330
Oct 16, 2026330
Oct 15, 202633+2
Oct 14, 2026310
Oct 13, 202631+11
Oct 09, 202620No prior observation