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Contract OI history

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Mar 19, 2027 EXPIRATION

IBKR $65.00 Put

IBKR270319P00065000

Latest saved OI649Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $65.00 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. 6493240 2026-10-09: 236 OI2026-10-13: 236 OI2026-10-14: 236 OI2026-10-15: 238 OI2026-10-16: 549 OI2026-10-21: 649 OI2026-10-23: 649 OI Oct 09, 2026Oct 23, 2026

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

IBKR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6490
Oct 21, 2026649+100
Oct 16, 2026549+311
Oct 15, 2026238+2
Oct 14, 20262360
Oct 13, 20262360
Oct 09, 2026236No prior observation