Black sq shield

A medium square shield. Black sq shield is a free-to-play item traded on the Old School RuneScape Grand Exchange.

Black sq shield trades for 529 gp, making it one of the cheapest items on the GE. The buy-sell spread is 29 gp (5.5%), which indicates a wide gap between instant buy and sell — typical of less liquid items.

Black sq shield has very low trading volume (7 recent trades), which means wider spreads and slower fills. The buy limit of 125 every 4 hours is worth planning around when scaling flips.

Black sq shield currently has a negative margin of -34 gp after tax, meaning instant flips would result in a loss at these prices. Margins fluctuate throughout the day — check back later or set a price alert to be notified when the margin turns positive. The price has risen 4.5% in the last hour, indicating upward buying pressure.

High alching Black sq shield yields a profit of 63 gp per cast (before nature rune cost). At ~1,200 casts per hour, that's up to 75.6k/hr in passive income while training Magic.

Compare alch profits across all items on the High Alch Calculator. Set a price alert to get notified when the margin changes, or add this item to your watchlist for quick access.