Nasdaq ISE, LLC filed a proposed rule change with the U.S. Securities and Exchange Commission (SEC) on Nov. 13 seeking approval to boost the position and exercise limits for options on BlackRock’s iShares Bitcoin Trust ETF (IBIT). The ISE said the adjustment is needed to account for the fund’s growth and trading activity. Nasdaq ISE (International Securities Exchange) is a U.S. electronic options exchange operated by Nasdaq. It was the first fully automated, electronic options exchange in the United States when it launched in May 2000. Position limits and exercise limits exist to cap the number of options contracts ... (full story)