Bob's purple shirt
'Bob says: Keep your computer keylogger free and virus scanned.'
7,315gp
7,150gp
165gp
+19gp
—
—
Price history
1 points · hover for detail
- 30D low
- 7,150
- 30D high
- 7,315
- Volatility
- 2.3%
Flip calculator
Includes the 2% Grand Exchange tax
+19gp
+19 per item · +0.27% ROI
- Capital required
- 7,150 gp
- Gross revenue
- 7,315 gp
- GE tax (2%, 146/item)
- − 146 gp
- Break-even sell
- 7,295 gp
Item data
- High alchemy
- 1 gp100.0% below market
- Low alchemy
- 1 gp
- Shop value
- 3 gp
- Weight
- 1 kg
- Skill / type
- Body
- Stack / note
- Not stackable · noteable
- Released
- Dec 5, 2006
About Bob's purple shirt
The Bob's purple shirt is a members-only piece of equipment in Old School RuneScape.
"'Bob says: Keep your computer keylogger free and virus scanned.'"
Over the last 30 days it traded between 7,991 and 13,473 gp on the Grand Exchange, averaging 10,325 gp. About 37 units changed hands per day. The price is up 14.0% across that window. The Grand Exchange buy limit is 4 every 4 hours. Selling one at the average price costs 206 gp in Grand Exchange tax.
Casting High Level Alchemy returns 1 gp, which is 100.0% below the 30-day average price, so alching a bought one loses money.
How to get Bob's purple shirt
Only Reward casket (easy) (1/1,404) drops Bob's purple shirt.
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| Reward casket (easy) | 1/1,404 | 1 |
Bob's purple shirt price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 10,544 | 8,759 | 12,256 | 487 |
| September 2026 | 10,231 | 7,912 | 13,473 | 1,020 |
| August 2026 | 11,644 | 8,035 | 27,426 | 1,047 |
| July 2026 | 10,816 | 6,645 | 41,663 | 969 |
| June 202621d | 8,579 | 6,699 | 11,117 | 3,704 |
| May 20262d | 8,038 | 7,777 | 8,299 | 26 |
| April 20261d | 9,226 | 9,226 | 9,226 | 13 |
| March 2026 | 9,041 | 3,957 | 12,018 | 16,658 |
| February 2026 | 9,008 | 5,391 | 13,814 | 16,148 |
| January 2026 | 35,321 | 7,537 | 214,016 | 17,818 |
Across 10 months of recorded prices Bob's purple shirt ranged from 3,957 gp in March 2026 to 214,016 gp in January 2026, measured over 218 trading days.
The 30-day average of 10,325 gp sits in the lower third of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
