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I had a post only limit order place for €172 per ETH, about 50% of the order filled before the price dropped to €171.95, leaving my limit order somehow still open? The order was placed when the price was above €172 so didn't execute as a market order at any point.
This has happened several times on Coinbase Pro, surely the point of a limit order is to the keep the order on the book, so why is the price skipping my order?
1IMHO, this topic belongs to bitcoin SE. In short, cryptocurrency exchange is not regulated, so any answer on how it fulfils the order is highly speculated and opinion-based. It doesn't work like forex trading nor like the stock exchange. – mootmoot – 2019-09-18T11:20:04.497
Its really more to do with Limit Orders rather than whatever the underlying asset is. – None – 2019-09-18T11:21:51.053
Nice edit but Coinbase is regulated as an exchange so its not speculative and opinion based.. – None – 2019-09-18T11:33:05.877
Quick question: were you placing the order to buy ETH? That seems to be the case from the details in your question, but it wasn't stated explicitly. – None – 2019-09-18T12:00:59.210
Yes was a buy order – None – 2019-09-18T15:20:16.807
I'm voting to close this question as off-topic because it's about a private exchange that may follow different rules – None – 2019-09-18T17:27:15.760
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This appears to be offtopic for bitcoin stackexchange too, not least because Ethereum is not Bitcoin. A question about how Coinbase operate should be directed to them first, I feel; failing that https://www.reddit.com/r/CoinBase/ and https://www.reddit.com/r/CryptoCurrency/ both have significantly broader readership more likely than we to have an answer for OP.
– Alistair Mann – 2019-09-18T19:51:20.867