Cryptocurrency Options Block Daily Today's Biggest Block Trade Analysis: Sell Bitcoin (BTC) Call Calendar Spread Notional Value: 500 BTC (~43,650,800) This transaction is obviously a large account and then quarterly delivery position adjustment, using Thursday and Saturday position swap, looking forward to smooth through tomorrow's quarterly delivery, quarterly delivery before and after there will be a significant deviation from IV Mark, manual monitoring or automated trading may be able to get excess returns. More Block trades There was one larger naked buy Block trade today 1. 250 BTC-29MAR25-91000-C, it has been a long time since there was such a large active buy operation, nominal face value of 20 million, but in fact using only 60,000 in royalties, again, the transaction was made because of the quarterly delivery, or as a hedge for the upcoming expiration of the sell position, it can be regarded as a kind of profit taking, adjust the position of the Greek letters. 2. Other Block trades have also centred around the quarterly delivery thread, with IV continuing to come under pressure in recent days and not expected to improve a little until April.