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Contract OI history

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Nov 20, 2026 EXPIRATION

ONON $32.50 Put

ONON261120P00032500

Latest saved OI703Oct 23, 2026
Last change+20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $32.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7033510 2026-10-02: 97 OI2026-10-05: 182 OI2026-10-06: 192 OI2026-10-07: 217 OI2026-10-08: 217 OI2026-10-09: 280 OI2026-10-13: 294 OI2026-10-14: 294 OI2026-10-15: 300 OI2026-10-16: 550 OI2026-10-21: 683 OI2026-10-23: 703 OI Oct 02, 2026Oct 23, 2026

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

ONON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing703+20
Oct 21, 2026683+133
Oct 16, 2026550+250
Oct 15, 2026300+6
Oct 14, 20262940
Oct 13, 2026294+14
Oct 09, 2026280+63
Oct 08, 20262170
Oct 07, 2026217+25
Oct 06, 2026192+10
Oct 05, 2026182+85
Oct 02, 202697No prior observation