Black sq shield

A medium square shield. Black sq shield is a free-to-play piece of armour in Old School RuneScape, worn for defensive bonuses during combat and bossing.

Black sq shield provides defensive bonuses for combat encounters. Armour demand shifts with combat meta changes, making timing important for trades.

Armour demand fluctuates with combat meta shifts, so tracking update announcements can give you an edge on price movements. With a tight spread, instant buy-and-sell is a viable approach for Black sq shield. Undercutting the instant buy by a small amount (1 GP to a few hundred GP) is usually enough to get priority in the queue. Volume is relatively low, so expect fills to take longer — set your offers and check back rather than watching the screen. Avoid over-committing capital to a single slot with this item.

Black sq shield sells for a mere 482 gp on the Grand Exchange, so profit here comes from flipping in bulk rather than large per-item margins.

Black sq shield currently has a positive margin of 8 gp after the GE tax, resulting in an ROI of 1.7%. Black sq shield rates 1/10 for flipping potential, indicating thin margins that may not justify tying up capital.

Black sq shield barely moves on the GE with 32 recent trades, so buy-sell gaps tend to be wide and unpredictable. 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 1,000 gp profit every 4 hours.

Price has been stable over the last hour (0.0% change), which generally makes for more predictable fills.

High alching Black sq shield yields a profit of 99 gp per cast (before nature rune cost). At ~1,200 casts per hour, that's up to 118.8k/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.

Armour prices shift with combat meta changes. The Item Sets Calculator compares set box versus individual piece pricing, and the High Alch Calculator shows the alchemy value floor for armour pieces.

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.