Template:Nutshell Equity Derivatives 6.3(c)

6.3(c) Exchange Disruption means any event (other than an Early Closure) that the Calculation Agent determines impedes market participants trading or valuing:
(i) Shares on an Exchange (or, for Index Transactions and Index Basket Transactions, on Exchanges whose securites comprise at least 20 percent of the Index level), or
(ii) futures or options contracts on the Share or the Index on any Related Exchange.