

Perhaps someone can do something with this.
The latest Grand Exchange trade of Black locks was at 1,470 gp. Only one side has traded recently. Its price has barely moved this week, staying within 2% of where it was seven days ago. About 16 units traded in the last day, 2 times its 4-hour buy limit of 8. It sells for less than its high-alch value of 1,920 gp, which puts a floor under its price. It belongs to none of GrandExchanger's sectors. It is a members-only item. Game facts on the OSRS Wiki

0 buy · 1 sell · 0 neutral
No clear momentum direction.
Near the upper band: the price is high for now. It may pull back.
Above VWAP: trading above the average. A possible time to take profit.
Momentum is neutral.
Low volatility: the price is fairly stable.
Flip Calculator