OITracker Cboe delayed data

Contract OI history

Back to MKSI

Nov 20, 2026 EXPIRATION

MKSI $260.00 Put

MKSI261120P00260000

Latest saved OI121Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MKSI $260.00 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. 123610 2026-10-09: 121 OI2026-10-13: 121 OI2026-10-14: 122 OI2026-10-15: 122 OI2026-10-16: 123 OI2026-10-21: 121 OI2026-10-23: 121 OI Oct 09, 2026Oct 23, 2026

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

MKSI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261210
Oct 21, 2026Viewing121-2
Oct 16, 2026123+1
Oct 15, 20261220
Oct 14, 2026122+1
Oct 13, 20261210
Oct 09, 2026121No prior observation