Security book
MarketSecurity book

Security book

🌿 F2PBuy limit: 15Value: 2gp Live prices
BUY PRICE?What you'll pay to buy this item on the GE right now.
Current low offer
SELL PRICE?What buyers are paying right now.
Current high offer
MARGIN?Sell minus buy minus 2% GE tax (capped at 5M gp). Your actual profit per item.
After 2% GE tax
ROI?Margin ÷ buy price. 1–3% is the sweet spot. >4% may signal risk.
Return on investment
GP / FILL?Max profit per full buy-limit cycle (margin × buy limit).
15 limit · 4hr
HIGH ALCH?High alchemy value. Green = can profit from alching.
1gp
Alch value
BUY LIMIT?Max quantity you can buy from the GE in a 4-hour period.
15
Per 4-hour window
LAST TRADE?When this item last traded. Stale data means low activity.
GE activity
Price History
Loading chart…
Sell price
Buy price
Item Details
"WARNING: Contains information which could make your account secure!"
Category
Buy limit15
MembersNo
High alch1 gp
Low alch1 gp
Base value2 gp
Flip Snapshot
Margin (after tax)
ROI
GP per full cycle
Last trade
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Security book — GE Price & Flip Guide

Security book is a free-to-play item on the Old School RuneScape Grand Exchange. It has a buy limit of 15 per 4 hours. Its high alchemy value is 1 gp.

Prices on this page are updated every minute from the OSRS GE. Margin is shown after the 2% GE tax (capped at 5,000,000 gp). For live GE slot tracking, AI flip analysis, and price alerts, use RuneTrader.gg — the free OSRS flipping tool.