At 9:12 a.m. on Wednesday, @MelStone31 posted an image to Twitter indicating institutions traded large blocks of Amazon.com, Inc (NASDAQ:AMZN) and Verizon Communications, Inc (NYSE:VZ) shares over a dark pool exchange.
The Trades: At 7:45:51 a.m. an institution traded 135,258 shares of Amazon at $107.40. At the exact same time, another order for 249,255 Amazon shares went through at the same price. Together, the two trades amount to a $41.3-million bet on the e-commerce and streaming giant.
Also at 7:45:51 a.m., two large blocks were completed on shares of Verizon. The first trade was of 349,708 shares at $50.46 and the second trade was of 661,612 shares at that same price. The two trades amount to a $51-million bet on Verizon.
Amazon and Verizon were trading higher by about 1.2% and .5%, respectively, at press time, putting the institutions who traded the stocks into the green, if the trades were a purchase of shares.
What Are Dark Pools? Dark pools (or black pools), named for the lack of transparency, are private, alternative trading systems, which allow institutional traders to buy and sell large amounts of stock anonymously and therefore without affecting movements in the market.
These exchanges were developed in the 1980s and as of February 2022, 64 dark pools were registered with the Securities and Exchange Commission.
The Controversy: The existence of dark pools hit the public psyche in early 2021, when GameStop Corporation (NYSE:GME) and AMC Entertainment Holdings, Inc (NYSE:AMC) skyrocketted 1,041% and 624%, respectively, over the course of four days.
In January and February of that year, institutional ownership of GameStop shares was reported to be over 100% of the float, indicating more shares were being lent out than what was available. Naked shorting, which takes place primarily over dark pools, was blamed for the discrepancy, casting the existence of alternative exchanges into the spotlight.
Dark Pools And Retail Traders: Direct dark pool trading is reserved for institutional traders and investors, but after the meme-stock saga, retail traders became more aware of how to use data from the dark exchanges to guide their strategies. This resulted in a number of apps emerging to provide dark pool feeds.
Approximately 40% of all executed trades take place on dark pools, and when large blocks of individual stocks are bought or sold over these exchanges, retail traders can use the information to understand what “smart money” is doing. The difficulty with dark pool data, however, is that due to its inherent confidentiality, the trades give no indication as to whether an institution is buying or selling the stock.
For this reason, retail traders can watch dark pool data for above average trading volumes on an individual stock and cross reference that information with option flow. If there is above average dark pool prints on a stock, paired with a high level of calls being purchased on the open market, it’s a good indication that institutions are buying over ATSs. Conversely, if large dark pool prints are followed by a large amount of open market put buying on the same stock, it can be assumed institutions are selling over ATSs.
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