Contract OI history
Back to UMCJan 21, 2028 EXPIRATION
UMC $27.00 Call
UMC280121C00027000
Latest saved OI17,748Oct 23, 2026
Last change+1,001vs previous saved observation
Saved market days12Oct 02, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 17,748 | +1,001 |
| Oct 21, 2026 | 16,747 | +1,701 |
| Oct 16, 2026 | 15,046 | +1,000 |
| Oct 15, 2026 | 14,046 | 0 |
| Oct 14, 2026 | 14,046 | -1 |
| Oct 13, 2026 | 14,047 | -8 |
| Oct 09, 2026 | 14,055 | 0 |
| Oct 08, 2026 | 14,055 | +31 |
| Oct 07, 2026 | 14,024 | 0 |
| Oct 06, 2026 | 14,024 | +13,857 |
| Oct 05, 2026 | 167 | -1 |
| Oct 02, 2026 | 168 | No prior observation |