According to Geojit, Rubber prices rose nearly 10% over the past three-four weeks and hit a record high of 140 rupees a kg due to pent-up demand after easing of the pandemic induced lockdowns amid a supply crunch. According to Geojit, Rubber prices rose nearly 10% over the past three-four weeks and hit a record high of 140 rupees a kg due to pent-up demand after easing of the pandemic induced lockdowns amid a supply crunch.