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.

Black sq shield has very low trading volume (1 recent trades), which means wider spreads and slower fills. The buy limit of 125 every 4 hours is worth planning around when scaling flips. At the current margin, flipping the full buy limit yields up to 125 gp profit every 4 hours.

Black sq shield currently has a positive margin of 1 gp after the GE tax, resulting in an ROI of 0.2%. A flip rating of 1/10 suggests this isn't the strongest flip opportunity at the moment, but margins can shift quickly.

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. This item is profitable both as a flip and as an alch target, giving you two exit strategies.

Use the flip calculator above to estimate your profit based on quantity. 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.