In a trading day like last Friday that most of market participants had a day off, it's just normal to form an inside day with limited volatility. A worth-trading inside bar usuallty comes from high level of uncertainty, bulls/bears fighting, and digesting important news....etc None of which is about lack of liquidity; as inside bar is a momentum trade, enough momentum is required for this kind of trade.
While, in terms of chart itself, it's still a worth noted one with a small uptrend just finished 21 ema correction, and it's in daily demand zone.
My strategy to this inside bar is not to trade it directly(although it's hard to find a 50 pips risk inside day in GBPUSD lol) wait for the breakout and find the corresponding confirmation entry intra-day.