Figure 2. Daily plot of futures and spot prices of (a) Turmeric, (b) Chilli, (c) Cumin and (d) Coriander

From

Cointegration and Price Discovery Mechanism of Major Spices in India

P. K. Sahu, Soumik Dey, Kanchan Sinha, Herojit Singh, L. Narsimaiaha

American Journal of Applied Mathematics and Statistics. 2019, 7(1), 18-24 doi:10.12691/ajams-7-1-3