Caustic Soda (Sodium Hydroxide)
1310010015 · Item · weight 0.0726
Latest index
79.40
Jul 2026 · Provisional
Change over 12 months
+3.79%
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)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 73.40 | 72.60 | 74.50 | 81.90 | 84.20 | 80.70P | 79.40P | — | — | — | — | — |
| 2025 | 81.50 | 81.30 | 80.60 | 80.30 | 79.80 | 78.20 | 76.50 | 75.20 | 74.60 | 74.20 | 73.90 | 73.50 |
| 2024 | 65.90 | 65.50 | 65.50 | 67.60 | 67.30 | 67.20 | 66.90 | 67.60 | 69.70 | 72.50 | 78.70 | 81.20 |
| 2023 | — | — | — | 76.60 | 74.10 | 70.40 | 68.80 | 67.00 | 66.50 | 69.60 | 68.00 | 66.60 |
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.