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Contract OI history

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Mar 19, 2027 EXPIRATION

RIOT $20.00 Put

RIOT270319P00020000

Latest saved OI2,363Oct 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
RIOT $20.00 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. 2,3631,1810 2026-10-09: 245 OI2026-10-13: 245 OI2026-10-14: 245 OI2026-10-15: 254 OI2026-10-16: 2,356 OI2026-10-21: 2,361 OI2026-10-23: 2,363 OI Oct 09, 2026Oct 23, 2026

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

RIOT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,363+2
Oct 21, 20262,361+5
Oct 16, 20262,356+2,102
Oct 15, 2026254+9
Oct 14, 20262450
Oct 13, 20262450
Oct 09, 2026245No prior observation