MOC Imbalance Decoder
Who has to trade at the close — and which way
Market-on-Close orders must execute at the 4:00 print. If one side is bigger, price drifts that way into the bell. The published net imbalance tells you which. Flip the cases:
Imbalance size matters — a few hundred million dollars net is meaningful in a single name, billions market-wide. Small imbalances barely move price; large ones drag it.