Prom on 1 January
The price of one PROM in euros on the Dutch box 3 reference date, per year and per platform.
1 January 2026, 00:00 CET
Bitvavo
€7.46Use the price of the platform where your PROM was at that moment. As the Dutch Tax Administration asks (in Dutch). (opens in a new tab)
What was your PROM worth?
Enter your amount in the calculator. It opens with Prom and this reference date.
All reference dates
Price of one PROM on 1 January at 00:00 CET.
| Reference date | Bitvavo |
|---|---|
| 1 January 2026 | €7.46 |
| 1 January 2025 | €5.88last earlier price |
Opening price of the hour starting at 00:00 CET; exchanges call that 31 December 23:00 UTC. If there was no trading in that hour, the last earlier price, up to 24 hours back. How we calculate