Soda ash / washing soda
1310010016 · Item · weight 0.0591
Latest index
75.70
Jul 2026 · Provisional
Change over 12 months
+2.44%
Since Jul 2025
Data available
Jan 2005 – Jul 2026
Combined index, 2022-23 = 100
Combined index since Jan 2005
The 2022-23 series joined to its 2011-12 and 2004-05 counterparts and put on the 2022-23 scale, so the whole history reads as one line. It is the index the calculator uses.Published monthly index (2022-23 series)
| Financial year | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026–27 | 75.10 | 76.40 | 75.20P | 75.70P | — | — | — | — | — | — | — | — |
| 2025–26 | 74.90 | 75.60 | 75.00 | 73.90 | 74.40 | 75.10 | 73.10 | 72.00 | 72.40 | 72.10 | 72.50 | 72.90 |
| 2024–25 | 75.10 | 75.10 | 74.70 | 75.30 | 74.90 | 75.00 | 76.00 | 76.20 | 75.70 | 75.80 | 76.10 | 75.00 |
| 2023–24 | 97.40 | 95.20 | 92.40 | 85.70 | 83.50 | 83.00 | 82.00 | 81.70 | 80.10 | 76.70 | 76.60 | 76.10 |
P Provisional — the two most recently published months may still be revised. Values before April 2023 come from the older series; see the chart, or calculate with “Show index values” on.