421gp
420gp
1gp
-7gp
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Price history
1 points · hover for detail
Volume · units traded
- 30D low
- 420
- 30D high
- 421
- Volatility
- 0.2%
Flip calculator
Includes the 2% Grand Exchange tax
-7gp
-7 per item · -1.67% ROI
Tax puts break-even at 428 gp.
- Capital required
- 420 gp
- Gross revenue
- 421 gp
- GE tax (2%, 8/item)
- − 8 gp
- Break-even sell
- 428 gp
Item data
- High alchemy
- 691 gp64.1% above market
- Low alchemy
- 460 gp
- Shop value
- 1,152 gp
- Weight
- 3.628 kg
- Skill / type
- Shield
- Stack / note
- Not stackable · noteable
- Released
- Dec 8, 2001
About Black sq shield
The Black sq shield is a free-to-play piece of equipment in Old School RuneScape.
"A medium square shield"
Over the last 30 days it traded between 372 and 509 gp on the Grand Exchange, averaging 426 gp. About 1,239 units changed hands per day. The price is down 13.0% across that window. The Grand Exchange buy limit is 125 every 4 hours. Selling one at the average price costs 8 gp in Grand Exchange tax.
Casting High Level Alchemy returns 691 gp, which is 62.2% above the 30-day average price, so buying and alching it covers its own cost before the nature rune.
How to get Black sq shield
18 monsters drop Black sq shield, most commonly Black Chest (red) (9/140.98), Black Chest (brown) (9/141.02) and Black Chest (crimson) (9/141.07).
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| Black Chest (red) | 9/140.98 | 1 |
| Black Chest (brown) | 9/141.02 | 1 |
| Black Chest (crimson) | 9/141.07 | 1 |
| Black Chest (black) | 9/141.11 | 1 |
| Black Chest (purple) | 9/141.15 | 1 |
| Benjamin | 15/256 | 1 (noted) |
| Former Vampyre | 15/256 | 1 (noted) |
| Liam | 15/256 | 1 (noted) |
| Miala | 15/256 | 1 (noted) |
| Vampyre Juvinate | 15/256 | 1 (noted) |
| Verak | 15/256 | 1 (noted) |
| Bryophyta | 5/128 | 1 |
| Moss giant | 5/128 | 1 |
| Ornate lockbox | 39/2,450 | 1 |
| Zombie (Tarn's Lair) | 1/128 | 1 |
| Elaborate lockbox | 13/2,625 | 1 |
| Reward casket (beginner) | 11/8,856 | 1 |
| Simple lockbox | 13/10,850 | 1 |
Black sq shield price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 411 | 372 | 453 | 18,310 |
| September 2026 | 426 | 335 | 509 | 25,988 |
| August 2026 | 457 | 396 | 503 | 27,329 |
| July 2026 | 399 | 334 | 527 | 31,959 |
| June 202621d | 456 | 332 | 510 | 18,667 |
| May 20262d | 993 | 482 | 1,504 | 1,407 |
| April 20261d | 500 | 500 | 500 | 639 |
| March 2026 | 538 | 411 | 775 | 24,433 |
| February 2026 | 518 | 478 | 658 | 16,864 |
| January 2026 | 447 | 383 | 488 | 17,846 |
Across 10 months of recorded prices Black sq shield ranged from 332 gp in June 2026 to 1,504 gp in May 2026, measured over 218 trading days.
The 30-day average of 426 gp sits in the lower third of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
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