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Contract specifications
- Contract symbol
- ZSK8
- Product
- Soybeans (ZS)
- Exchange
- CBOT
- Delivery month
- May 2028 (code K)
- Last trading day
- May 12, 2028
- Default rolls on
- May 8, 2028 (4 days before)
- Tick size
- 0.25
- Tick value
- $12.50
- Point value
- $50.00
- Next delivery
- ZSN8 (July 14, 2028)
When ZSK8 stops trading
Trading terminates on the business day preceding the 15th calendar day of the contract month. For ZSK8 that falls on May 12, 2028.
Senzoukria stops offering ZSK8 as the default contract on May 8, 2028, 4 calendar days before that last trading day, and keeps it selectable with a badge. The date is computed from the exchange rule rather than stored. The engine counts Monday to Friday and holds no CME holiday table, so a date that falls next to a public holiday can be one day off the exchange calendar. Check the exchange calendar when the date sits close to a holiday.
When the volume actually leaves
Grain contracts follow the crop calendar rather than the quarter, so the listed months are uneven and the roll dates do not fall at regular intervals. The active month is the one carrying the volume, not the nearest by date.
For ZSK8 the next listed delivery is ZSN8, whose last trading day is July 14, 2028. That is the contract the volume moves into, just as it moved out of ZSH8 on March 10, 2028.
What one tick is worth on ZSK8
The minimum price fluctuation is 0.25, which is $12.50 per contract on a multiplier of 50. A full point is therefore $50.00. On a footprint chart one row is one tick, so the same vertical space holds a different number of rows depending on the product: a tick of 0.25 sets how finely the bid and ask volume of ZS can be read.
These are the values the app itself trades on, taken from its contract table rather than retyped, so the P&L shown on a ZSK8 position and the rows of its footprint come from the same numbers.
Every ZS delivery listed in 2028
ZS lists 7 delivery months a year (F, H, K, N, Q, U, X). ZSK8 is number 3 of 7 in 2028.
| Contract | Delivery | Last trading day | Default rolls on |
|---|---|---|---|
| ZSF8 | Jan 2028 | Jan 14, 2028 | Jan 10, 2028 |
| ZSH8 | Mar 2028 | Mar 14, 2028 | Mar 10, 2028 |
| ZSK8 (this page) | May 2028 | May 12, 2028 | May 8, 2028 |
| ZSN8 | Jul 2028 | Jul 14, 2028 | Jul 10, 2028 |
| ZSQ8 | Aug 2028 | Aug 14, 2028 | Aug 10, 2028 |
| ZSU8 | Sep 2028 | Sep 14, 2028 | Sep 10, 2028 |
| ZSX8 | Nov 2028 | Nov 14, 2028 | Nov 10, 2028 |
Related pages
- ZS — Soybeans
- Contract roll
- Futures month codes
- Tick value
- Front month contract
- Roll yield
- Back month contract
- ZSN8
- ZSH8
- ZS 2028
- ZMK8
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Frequently asked questions
- When does ZSK8 expire?
- The last trading day of ZSK8 is May 12, 2028. Trading terminates on the business day preceding the 15th calendar day of the contract month.
- When should I roll out of ZSK8?
- The app switches its default to the next listed month on May 8, 2028, which is ZSN8. In practice the volume moves before the calendar does, so compare the traded volume and open interest of the two months rather than waiting for the last trading day.
- How much is one tick of ZSK8 worth?
- One tick of 0.25 is $12.50 per contract, and a full point is $50.00, on a multiplier of 50.