10
May
11

Como hacer dinero en microsegundos (1µs)…

…Ese es nombre de un articulo escrito por Donald MacKenzie. En el cual explora la transición hacia el trading electronico, algoritmico y de alta frecuencia. Explica muy detalladamente el Flash Crash. Y referencia varios algoritmos utilizados para hacer hacer plata (VWAP, spoofing). El unico pecado del texto: su longitud.

(…)

The trigger was indeed an algorithm, but not one of the sophisticated ultra-fast high-frequency trading programs. It was a simple ‘volume participation’ algorithm, and while the official investigation does not name the firm that deployed it, market participants seem convinced that it was the Kansas City investment managers Waddell & Reed. The firm’s goal was to protect the value of a large position in the stock market against further declines, and it did this by programming the algorithm to sell 75,000 index future contracts. (These contracts track the S&P 500 stock-market index, and each contract was equivalent to shares worth a total of around $55,000. The seller of index futures makes money if the underlying index falls; the buyer gains if it rises.) The volume participation algorithm calculated the number of index futures contracts that had been traded over the previous minute, sold 9 per cent of that volume, and kept going until the full 75,000 had been sold. The total sell order, worth around $4.1 billion, was unusually large, though not unprecedented: the SEC/CFTC investigators found two efforts in the previous year to sell the same or larger quantities of futures in a single day. But the pace of the sales on 6 May was very fast.

(…)

Por ultimo, en el escrito se habla de un paper de Hasbrouck y Saar, creo que es este.

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