Eggs, dozen priced in Bitcoin: 2015 to 2025
Priced in fiat
Priced in sats
Eggs, dozen (per dozen) cost NZ$3.90 in 2015 and NZ$7.85 in 2025, a change of +101.3% in New Zealand dollars across 10 years. The figures are annual averages from Stats NZ food price index, average retail price, eggs per dozen. The fiat peak in this series came in 2024 at NZ$8.00.
Priced in sats, the same item went from 992,366 sats to 4,472 sats, a change of −99.5%. The conversion uses the yearly average BTC price for each matching year, never a rate from a different era. The least flattering single step for the sats series was 2021 to 2022, when this item moved +76% in sats terms. Short windows can and do run against the holder; the direction across the full series is what the chart shows.
The 2023 colony cage ban collided with feed cost inflation and produced empty shelves and record prices, a supply shock visible from space in this series.
One grocery line proves nothing on its own. Repeated across the whole basket on the main page, the pattern stops looking like noise and starts looking like a property of the unit of account.
| Year | NZ dollars | Sats |
|---|---|---|
| 2015 | NZ$3.90 | 992,366 |
| 2016 | NZ$3.85 | 459,976 |
| 2017 | NZ$3.90 | 65,469 |
| 2018 | NZ$4.00 | 37,836 |
| 2019 | NZ$4.10 | 36,328 |
| 2020 | NZ$4.20 | 23,112 |
| 2021 | NZ$4.35 | 6,467 |
| 2022 | NZ$5.00 | 11,406 |
| 2023 | NZ$7.60 | 15,827 |
| 2024 | NZ$8.00 | 7,260 |
| 2025 | NZ$7.85 | 4,472 |
Source: Stats NZ food price index, average retail price, eggs per dozen. Series pending external verification. Sats = fiat price ÷ BTC price in that currency × 100,000,000, using yearly average BTC rates. Data vintage 2026-07-04. Full method on the main page.