Natural rubber prices at multi-year highs

Singapore – Natural rubber (NR) prices strengthened sharply in 2026, with major benchmarks reaching multi-year highs as tight supply, firm consumption, elevated crude oil and synthetic rubber prices, and weather uncertainty supported the market. This is according the IRSG Natural Rubber Price Outlook – Short and Long-term Perspective report.

The momentum accelerated in the third quarter. In September, Indonesian SIR20 was 39% higher year-on-year, Thai STR20 33%, Malaysian SMR20 34%, European TSR20 68%, and Indian RSS3 46%. Similar strength has been visible across other major NR markets, indicating that the rally is broad-based rather than specific to one country or grade.

The immediate drivers appear to be a combination of structural tight supply, strengthening consumption, elevated crude oil and synthetic rubber prices, and weather-related uncertainty. The latest IRSG outlook indicates that global NR consumption is expected to continue exceeding production in 2026, while the developing El Niño adds another potential risk to an already tight supply situation.
But the more important question is: can this price strength be sustained?

The current NR deficit does not necessarily mean there is an absolute shortage of productive capacity.
Global NR production potential is estimated at around 19.6 million tonnes under full tapping, compared with current production of roughly 15.1 million tonnes. This implies a sizeable buffer of mature but currently untapped capacity.
If prices remain attractive, producers have a stronger incentive to bring untapped areas into production and increase tapping activity or frequency in existing plantations. This could raise NR supply relatively quickly.
That creates a short-term pressure to prices. If additional tapping increases supply at the same time that downstream consumption softens, the current tightness could ease, and prices could come under pressure.
Crude oil is another important variable. Elevated oil and petrochemical feedstock prices can support synthetic rubber prices and reduce substitution pressure on NR. A potential decline of crude oil would weaken this support.
Therefore, in the short term, the interaction between tapping activity, consumption, crude/SR prices and weather conditions will largely determine whether the current price momentum continues.

The current 19.6 Mt potential capacity provides an important supply buffer, but that buffer should not be assumed to remain unchanged.
NR production increased strongly from around 10.1 Mt in 2007 to 13.9 Mt in 2018, an increase of almost 3.9 Mt. Since then, growth has been considerably slower, reaching only around 15.0 Mt in 2025.
At the same time, existing rubber trees continue to age, while insufficient replanting and limited new planting could gradually reduce future productive capacity. This is particularly important because newly planted rubber trees require several years before they become tappable.
Meanwhile, the underlying demand base continues to expand.
The latest data show the global vehicle parc increasing from approximately 1.74 billion vehicles in 2026 to 1.86 billion by 2030, while annual tyre production is projected to rise from around 2.06 billion to 2.19 billion units.
The expanding vehicle parc is particularly important because it continuously enlarges the replacement-tyre market, even if growth in new vehicle production remains moderate. The transition towards EVs also matters: their greater weight, high torque and demanding performance requirements are changing tyre design and material requirements, with potential implications for future NR demand.
This creates an important distinction between the market today and tomorrow.
Today’s NR deficit exists while there is still a sizeable buffer of untapped mature capacity. Higher prices can encourage tapping and bring additional supply to the market.
In the coming years, however, if ageing trees and insufficient replanting reduce that buffer while tyre and rubber consumption continue to expand, the industry could face a more structural supply constraint.
That would be a fundamentally different situation.
Today’s shortage can potentially be addressed by tapping more of the trees that already exist. A future shortage may require trees that have not yet been planted.
So, can NR prices remain strong?
In the short term, current high prices could stimulate additional tapping and eventually moderate the rally-particularly if the increase in supply coincides with softer consumption.
Over the longer term, however, continued growth in the vehicle and tyre markets, combined with ageing plantations, limited new planting and a shrinking untapped capacity buffer, could support a structurally firmer NR price environment.
In such a tighter market, a smaller supply buffer would also make NR prices more sensitive to short-term supply disruptions. Floods, excessive rainfall, drought or extreme heat could temporarily restrict tapping and production, potentially resulting in greater price volatility and sharper market reactions than when ample spare capacity is available.
So, for current NR prices to remain stable over the longer term, much will depend on whether today’s tappable capacity, together with new planting and replanting, can keep pace with rising consumption and the loss of capacity from ageing plantations. If not, the current supply buffer could gradually narrow, strengthen NR prices.