# Security book price

> Security book Grand Exchange price right now (168 gp), with buy and sell prices, 24h volume, our own price history, buy limit, high alch profit and the GE tax.

Canonical: https://osrsgrandexchange.com/items/security-book
Last updated: 2026-11-02

Free-to-play item. Item id 9003.

Examine: “WARNING: Contains information which could make your account secure!”

## Price now

Prices as of 2026-11-02 00:20 UTC.

**Security book is 102% above its 30-day average.**

|  |  |
| --- | --- |
| Price | 168 gp |
| 90-day range (daily averages) | 1–183 gp |
| 30-day average | 83 gp |
| Change 24h / 7d / 30d | – / +135.2% / +122.7% |
| Instant buy | 184 gp (2026-10-30 06:41 UTC) |
| Instant sell | 151 gp (2026-10-30 08:24 UTC) |
| Volume 24h | 230 |
| 1h average buy / sell | 184 / – gp |
| 24h average buy / sell | 182 / 151 gp |
| Buy limit (4h) | 15 |

## Selling

- GE tax each: 3 gp
- You receive: 181 gp
- Flip margin after tax: 30 gp
- Per buy limit: 450 gp

## High alchemy

- High alch value: 1
- Low alch value: 1
- Profit per cast: -335 gp

Buying one at the instant-buy price plus a nature rune; fire runes assumed from a staff.

## Security book price, last 7 days

Hourly averages from our own history.

|  | Instant-buy average | Instant-sell average |
| --- | --- | --- |
| Oct 26, 2026 (first point) | – | 173 |
| Oct 30, 2026 (last point) | 184 | – |

Range plotted: 93 to 200 gp, over 70 points.

## Security book price history

Daily averages. Since Apr 8, 2026 the lowest daily sell average was 1 gp and the highest buy average 314 gp.

|  | Instant-buy average | Instant-sell average |
| --- | --- | --- |
| Apr 8, 2026 (first point) | 67 | 65 |
| Oct 31, 2026 (last point) | 182 | 151 |

Range plotted: 1 to 339 gp, over 207 points.

## Questions

### How much is Security book worth in OSRS?

About 168 gp right now on the Grand Exchange: the last instant buy was 184 gp and the last instant sell 151 gp. Over the last 24 hours 230 were traded.

### What is the GE buy limit for Security book?

15 every 4 hours.

### Is Security book worth high alching?

High alchemy gives 1 coins. Buying one at 184 gp plus a nature rune makes that a 335 gp loss per cast right now.

### How much tax do you pay selling Security book?

3 gp each at 184 gp (2%, rounded down, capped at 5m per item), so you receive 181 gp.

Item id 9003. Prices update every five minutes.

## Related

- [GE tax calculator](https://osrsgrandexchange.com/ge-tax-calculator)
- [Best items to alch](https://osrsgrandexchange.com/high-alch)
- [How we get prices](https://osrsgrandexchange.com/about)