Shares of Bitcoin mining companyRiot Blockchain (RIOT) has slid 90 percent from its highs. One trader sees the possibility for a further decline in the months ahead. That’s based on the December $3.00 puts. With 182 days until expiration, 10,208 contracts traded compared to a prior open interest of 308, for a 33-fold increase in volume on the trade. The buyer of the puts paid $0.35 to get into the trade. The stock recently traded for just under $5, so it would need to slide about another 20 percent for the option to move in-the-money. That’s a steep drop from a 52-week high over $46 ...
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