The new transaction has some similarities and some differences compared to the last butterfly spread.

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The largest transaction on the fund today was the purchase of a massive call butterfly spread in the December contract.

FORBES: RIMM Options Ripple With Bullish Speculation

Caught, killed, relaxed, and spread, the butterfly was laid to rest in a Riker mount, a shallow glass-topped box filled with absorbent cotton a sort of mass grave for soldiers who had given their lives on the battlefields of suburban Connecticut.

NPR: Excerpt: 'At Large and At Small'

The execution of this trade would involve the purchase of the March 32 call and sell of March 33 call (buying a vertical spread) while simultaneously selling the March 33 call and purchasing the March 34 call ( selling a vertical spread) However, you put it in as one trade (a call butterfly) and then you can fill as one price on the whole trade.

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The problem with chloroform, as with potassium cyanide and carbon tetrachloride, is that these poisons freeze the butterfly's muscles into an extreme version of rigor mortis, and the wings cannot be spread.

NPR: Excerpt: 'At Large and At Small'

The cancer had not spread beyond the thyroid, and, in eighty-six minutes, we removed the fleshy, butterfly-shaped organ, carefully detaching it from the trachea and from the nerves to the vocal cords.

NEWYORKER: Personal Best