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Goof to hear! A one-way ladder also works for straight buys and sells. If you're not sure what price your order will be picked up at, just break it up into different levels and put in the ladder. Example: If I wanted to buy 100,000 Bitshares on Poloniex tonight, to tuck into my Open Ledger wallet, I could (for example) place a buy for 30,000 at 930, 40,000 at 929 and 40,000 at 925. And then sit, wait and hope that my orders get dumped into. If I'm lucky enough, I'd get 'em for a fair bit less than I'd have to pay if I had bought 100,000 straight from the sellbook.

It works similarly on the selling side.

Edit: Since I wrote the original reply, Bitshares jumped up. Please take the above prices as illustrative.

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