V = Volume weighted average price A = Arrow (price crossed VWAP) B = Bell (price touched VWAP)
Instant entry when a bell shows up after arrow.
At 29 July 2021 0800 hours UTC+7 in a USDCAD 1h chart, the VWAP (Volume-weighted average price) line turned from white to purple. The price crossed under the purple VWAP with a red arrow.
At 9.00 hours, the price touch the purple VWAP line and a bell showed up. With these conditions (Vwap-Arrow-Bell) in place, a sell order could be sent out the instant that the bell appeared. If the leverage was 1:500 and lot size was 20% of balance, a cautious trader could take profit when the fund grew up beyond 4%.