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Contract OI history

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Mar 19, 2027 EXPIRATION

IBKR $70.00 Put

IBKR270319P00070000

Latest saved OI288Oct 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
IBKR $70.00 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. 2881440 2026-10-09: 277 OI2026-10-13: 277 OI2026-10-14: 277 OI2026-10-15: 280 OI2026-10-16: 284 OI2026-10-21: 286 OI2026-10-23: 288 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, 2026Viewing288+2
Oct 21, 2026286+2
Oct 16, 2026284+4
Oct 15, 2026280+3
Oct 14, 20262770
Oct 13, 20262770
Oct 09, 2026277No prior observation