OITracker Cboe delayed data

Contract OI history

Back to ISRG

Mar 19, 2027 EXPIRATION

ISRG $300.00 Put

ISRG270319P00300000

Latest saved OI98Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $300.00 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. 102510 2026-10-09: 100 OI2026-10-13: 102 OI2026-10-14: 102 OI2026-10-15: 102 OI2026-10-16: 100 OI2026-10-21: 100 OI2026-10-23: 98 OI Oct 09, 2026Oct 23, 2026

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

ISRG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing98-2
Oct 21, 20261000
Oct 16, 2026100-2
Oct 15, 20261020
Oct 14, 20261020
Oct 13, 2026102+2
Oct 09, 2026100No prior observation