OITracker Cboe delayed data

Contract OI history

Back to MKSI

Nov 20, 2026 EXPIRATION

MKSI $195.00 Put

MKSI261120P00195000

Latest saved OI334Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MKSI $195.00 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. 3341670 2026-10-09: 52 OI2026-10-13: 52 OI2026-10-14: 52 OI2026-10-15: 112 OI2026-10-16: 113 OI2026-10-21: 326 OI2026-10-23: 334 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, 2026334+8
Oct 21, 2026Viewing326+213
Oct 16, 2026113+1
Oct 15, 2026112+60
Oct 14, 2026520
Oct 13, 2026520
Oct 09, 202652No prior observation