“…Following Fama and French (1987), we construct the interest‐adjusted basis, which has been widely applied in the literature (see, e.g., Gao & Wang, 2005; Geman & Ohana, 2009; Nikitopoulos et al, 2017) and has the financial interpretation of the cost of carry. This variable is defined as the difference between the second and the first nearby futures contracts and is adjusted for a risk‐free interest rate, as follows: where is the 2‐month interest‐adjusted basis (adjusted basis henceforth); and F ( t , 1) and F ( t , 2) are the first and the second nearby futures prices.…”