Is there still a weather anomaly? An investigation of stock and foreign exchange markets

Since Saunders (1993), there has been ongoing research on whether the weather can affect asset prices. Our study of the impact of weather on stock and foreign exchange (henceforth FX) markets shows that the weather has no effect during 2002–2018, suggesting that any effect may have dissipated after discovery as practitioners have tried to use investment vehicles to exploit it. The results indicate that mood changes caused by the weather do not significantly affect FX and stock returns