Gielinor's Ledger
Green halloween mask

Green halloween mask

Aaaarrrghhh ... I'm a monster.

Free-to-playBuy limit 5Armour & WearablesHead
Insta-buy

12,487gp

Insta-sell

10,567gp

Spread

1,920gp

18.17%
Margin

+1,671gp

+15.81% ROI
Volume

—

Trend

—

Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread
30D low
10,567
30D high
12,487
Volatility
16.7%

Flip calculator

Includes the 2% Grand Exchange tax

gp
gp
units
Net profitProfitable

+1,671gp

+1,671 per item · +15.81% ROI

Capital required
10,567 gp
Gross revenue
12,487 gp
GE tax (2%, 249/item)
− 249 gp
Break-even sell
10,782 gp

Item data

High alchemy
9 gp99.9% below market
Low alchemy
6 gp
Shop value
15 gp
Weight
0.34 kg
Skill / type
Head
Stack / note
Not stackable · noteable
Released
Oct 31, 2002

About Green halloween mask

The Green halloween mask is a free-to-play piece of equipment in Old School RuneScape.

"Aaaarrrghhh ... I'm a monster"

Over the last 30 days it traded between 7,594 and 11,762 gp on the Grand Exchange, averaging 9,874 gp. About 259 units changed hands per day. The price is up 14.3% across that window. The Grand Exchange buy limit is 5 every 4 hours. Selling one at the average price costs 197 gp in Grand Exchange tax.

Casting High Level Alchemy returns 9 gp, which is 99.9% below the 30-day average price, so alching a bought one loses money.

Green halloween mask price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Green halloween mask on the Grand Exchange
MonthAverageLowHighVolume
October 202612d10,5409,01811,7623,955
September 20269,6247,59412,2525,707
August 20269,2046,97112,1965,032
July 20269,1945,97012,3824,995
June 202621d11,2317,39213,6855,792
May 20262d8,4317,4819,381201
April 20261d10,38110,38110,381135
March 20269,7537,70711,07617,983
February 202610,0788,93511,07516,355
January 202610,9446,07719,50317,856

Across 10 months of recorded prices Green halloween mask ranged from 5,970 gp in July 2026 to 19,503 gp in January 2026, measured over 218 trading days.

The 30-day average of 9,874 gp sits in the lower third of that range.

All prices in gp. Volume counts units traded across both sides of the Grand Exchange.