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What do you think is there possibility to write crypto bots using spread beetwen asks and bits? For example: buy currency X for 0.025BTC and then sell X for 0.026 BTC in the same exchanges. As a result we have 4% profit - 2*0.25% (exchanges fee) = 3.5%
What if no one wants to buy at 0.026 BTC? – Rodrigo de Azevedo – 2018-02-27T05:48:06.367
Many exchanges offer an API, and this can be used to write such a bot. As this is not bitcoin related (it concerns any currency), I vote to close this question as being off-topic. – pebwindkraft – 2018-02-27T08:11:30.783