I am pulling my hair out looking for a high quality imbalance data feed from a indirect vendor. Right now i am using Genesis to pull imbalance data however it leave a lot to be desired for my uses. I have called NYSE and the minimum is around 5500$ a month for Open book which i could add the imbalance data feed to afterwards. Does anyone have any ideas or leads for this type of feed? It has to be live and not the 15 second delayed feed. Any trustworthy indirect data vendors someone may reccomend to me?