Don&#x27;t forget commodity futures limits [1]. I remember in 2011 when cotton was limit up for days in a row, with the market opening the next day and locking up immediately (and options showing a &quot;synthetic&quot; price much higher).<p>Limits are subtly different from circuit breakers in that trading can continue... within the limits.<p>[1] <a href="http:&#x2F;&#x2F;www.cftc.gov&#x2F;industryoversight&#x2F;marketsurveillance&#x2F;speculativelimits&#x2F;index.htm" rel="nofollow">http:&#x2F;&#x2F;www.cftc.gov&#x2F;industryoversight&#x2F;marketsurveillance&#x2F;spe...</a>