Contract OI history
Back to TSMJan 21, 2028 EXPIRATION
TSM $500.00 Call
TSM280121C00500000
Latest saved OI4,750Oct 23, 2026
Last change+52vs previous saved observation
Saved market days11Oct 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 | 4,750 | +52 |
| Oct 21, 2026 | 4,698 | +102 |
| Oct 16, 2026 | 4,596 | +33 |
| Oct 15, 2026 | 4,563 | +1 |
| Oct 14, 2026 | 4,562 | +24 |
| Oct 09, 2026 | 4,538 | +3 |
| Oct 08, 2026 | 4,535 | 0 |
| Oct 07, 2026 | 4,535 | +1 |
| Oct 06, 2026 | 4,534 | +4 |
| Oct 05, 2026 | 4,530 | -3 |
| Oct 02, 2026 | 4,533 | No prior observation |