‘Speculators’ are not to blame for surges in commodity prices – rather commodity derivatives markets reflect what's happening on the ground, according to a commodities regulator and several experts on a panel at IDX on 19 June. Speaking about volatility in the US energy markets in recent years, Summer Mersinger, a commissioner at the Commodity Futures Trading Commission, stressed the importance of educating policymakers and the public on the critical role derivatives markets play in internalising the impact of market swings and acting as shock absorbers.