Contract OI history
Back to TSMDec 18, 2026 EXPIRATION
TSM $520.00 Call
TSM261218C00520000
Latest saved OI5,185Oct 23, 2026
Last change-4vs 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 | 5,185 | -4 |
| Oct 21, 2026 | 5,189 | +6 |
| Oct 16, 2026 | 5,183 | -3 |
| Oct 15, 2026 | 5,186 | -59 |
| Oct 14, 2026 | 5,245 | -2 |
| Oct 09, 2026 | 5,247 | +45 |
| Oct 08, 2026 | 5,202 | 0 |
| Oct 07, 2026 | 5,202 | -8 |
| Oct 06, 2026 | 5,210 | -56 |
| Oct 05, 2026 | 5,266 | +136 |
| Oct 02, 2026 | 5,130 | No prior observation |