OITracker Cboe delayed data

Contract OI history

Back to CALM

Jan 21, 2028 EXPIRATION

CALM $60.00 Put

CALM280121P00060000

Latest saved OI105Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CALM $60.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 105520 2026-10-08: 105 OI2026-10-09: 105 OI2026-10-13: 105 OI2026-10-14: 105 OI2026-10-16: 105 OI2026-10-20: 105 OI2026-10-23: 105 OI Oct 08, 2026Oct 23, 2026

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

CALM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1050
Oct 20, 20261050
Oct 16, 20261050
Oct 14, 20261050
Oct 13, 20261050
Oct 09, 20261050
Oct 08, 2026105No prior observation