Open orders are actually transactions that have been made to the smart contract. It is possible to monitor the smart contract and get informed on all the open o

Open orders are actually transactions that have been made to the smart contract. It is possible to monitor the smart contract and get informed on all the open orders. You may want to have a look on Etherdelta API if you don't want to use directly the smart contract. https://github.com/etherdelta/etherdelta.github.io/blob/master/docs/API.md https://github.com/etherdelta/etherdelta.github.io/blob/mast...