Black knife(p+)

A finely balanced throwing knife.

MembersBuy limit 7,000WeaponsWeaponStackable

Wiki

Insta-buyHighest recent buy

—gp

Insta-sellLowest recent sell

323gp

SpreadBefore tax

—gp

—

MarginAfter 2% GE tax

—gp

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VolumeTraded in 30D

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TrendMid price, 30D

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Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread

30D low: 323
30D high: 323
Volatility: 0.0%

Flip calculator

Includes the 2% Grand Exchange tax

Buy at

Sell at

Quantity

units

Net profitLoss

-323gp

-323 per item · -100.00% ROI

Capital required: 323 gp
Gross revenue: 0 gp
GE tax (2%, 0/item): − 0 gp
Break-even sell: 329 gp

Item data

High alchemy: 10 gp96.9% below market
Low alchemy: 7 gp
Shop value: 18 gp
Weight: 0 kg
Skill / type: Ranged
Combat: Ranged · 3 ticks
Stack / note: Stackable · not noteable
Released: Jul 11, 2005

About Black knife(p+)

The Black knife(p+) is a members-only weapon in Old School RuneScape.

"A finely balanced throwing knife"

Over the last 30 days it traded between 151 and 50,079 gp on the Grand Exchange, averaging 1,854 gp. The price is up 4.1% across that window. The Grand Exchange buy limit is 7,000 every 4 hours. Selling one at the average price costs 37 gp in Grand Exchange tax.

Casting High Level Alchemy returns 10 gp, which is 99.5% below the 30-day average price, so alching a bought one loses money.

Black knife(p+) price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Black knife(p+) on the Grand Exchange
Month	Average	Low	High	Volume
October 20268d	203	203	203	n/a
September 202612d	4,338	151	50,079	2
August 2026	192	190	195	494
July 2026	920	190	1,593	544
June 202621d	2,351	1,593	3,000	3,146
May 20262d	1,596	1,596	1,596	n/a
April 20261d	1,596	1,596	1,596	n/a
March 202627d	1,675	1,596	1,862	13,751
February 202622d	43,206	8,750	49,500	12,475
January 202620d	41,466	189	69,999	10,236

Across 10 months of recorded prices Black knife(p+) ranged from 151 gp in September 2026 to 69,999 gp in January 2026, measured over 174 trading days.

The 30-day average of 1,854 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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