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本帖最後由 tedwang 於 12-11-6 00:27 編輯
我找不到CME原文的定義在哪邊, 不過看下面這段文字敘述應該是直接跟上一筆成交價相比: http://www.fubon.com/futures/info_download/info_download/No_Bust.pdf
A.名詞說明:
一、Non Reviewable Rang:若有產生交易爭議時,交易所使用兩個連續價格間所相差的點數間距來作為仲裁之依據;若有交易人對某筆交易提出抗議時,而該交易之成交價格與其前一筆成交價之差距介於該區間內,則投資人提出抗議申訴將無效(即成交價不可取消)。
補充一下剛看到的:
http://www.cmegroup.com/rulebook/CBOT/I/5/88.html
In applying the Non-Reviewable Range, the GCC shall determine the fair value market price for that contract at the time the trade under review occurred. The GCC may consider any relevant information, including, but not limited to, the last trade price in the contract or a better bid or offer price on the electronic trading system, a more recent price in a different contract month, the price of the same or related contract established in another venue or another market, the market conditions at the time of the trade, the theoretical value of an option based on the most recent implied volatility and responses to a Request for Quote (RFQ).
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