Contract OI history
Back to ZTOJan 15, 2027 EXPIRATION
ZTO $25.00 Put
ZTO270115P00025000
Latest saved OI2,817Oct 23, 2026
Last change-1vs 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 | 2,817 | -1 |
| Oct 20, 2026 | 2,818 | 0 |
| Oct 16, 2026 | 2,818 | 0 |
| Oct 14, 2026 | 2,818 | 0 |
| Oct 13, 2026 | 2,818 | -2,079 |
| Oct 09, 2026 | 4,897 | 0 |
| Oct 08, 2026 | 4,897 | -1 |
| Oct 07, 2026 | 4,898 | -3,191 |
| Oct 06, 2026 | 8,089 | -8 |
| Oct 05, 2026 | 8,097 | 0 |
| Oct 02, 2026 | 8,097 | No prior observation |