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The Common Trade Index is an average of commonly used items traded at the Grand Exchange, with the starting date of this average on 10 December 2007, at an index of 100. The general health of the RuneScape economy is reflected in this index.

Items may be removed or added to this index over time, but the index will remain "neutral" when that happens, following the method that the Wall Street Journal uses when the Dow Jones Industrial Average (DJIA) is adjusted (see the FAQ for more information).

As of today, this index is 158.11 Up +0.43

Historical chart[]

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Summary[]

Any suggested changes to this index should be added to the talk page.

  • Start date: 10 December 2007 (at index of 100)
  • Index today: 158.11
  • Change today: Up +0.43
  • Number of items: 27 (last adjusted on 12 February 2012)
  • Index divisor: 23.9535 (last adjusted on 12 February 2012)

List of items[]

This index comprises the following items:


Adjustments[]

Icon Item Price Direction Low Alch High Alch Limit Members Details Last updated
Death runeDeath rune232
Down
12418625,000F2P iconview4 years ago
Nature runeNature rune405
Up
497425,000F2P iconview4 years ago
SharkShark1,933
Up
12018010,000P2P iconview4 years ago
Red chinchompaRed chinchompa751
Down
649620,000P2P iconview4 years ago
Raw lobsterRaw lobster353
Up
11317020,000F2P iconview4 years ago
Raw monkfishRaw monkfish1,007
Down
9213820,000P2P iconview4 years ago
Magic logsMagic logs380
Up
12819225,000F2P iconview4 years ago
Yew logsYew logs167
Down
649625,000F2P iconview4 years ago
Gold oreGold ore587
Down
609025,000F2P iconview4 years ago
CowhideCowhide547
Up
0010,000F2P iconview4 years ago
FlaxFlax96
Unchg
2325,000F2P iconview4 years ago
Green dragonhideGreen dragonhide1,698
Up
81210,000P2P iconview4 years ago
CoalCoal112
Unchg
182725,000F2P iconview4 years ago
Pure essencePure essence30
Down
1225,000F2P iconview4 years ago
CannonballCannonball380
Unchg
2310,000P2P iconview4 years ago
Steel barSteel bar959
Down
406010,000F2P iconview4 years ago
Dragon bonesDragon bones2,136
Down
0010,000F2P iconview4 years ago
Soft claySoft clay419
Up
0110,000F2P iconview4 years ago
Abyssal whipAbyssal whip71,940
Unchg
48,00072,00010P2P iconview4 years ago
Limpwurt rootLimpwurt root5,190
Up
2410,000F2P iconview4 years ago
Snape grassSnape grass134
Up
4610,000P2P iconview4 years ago
Oak plankOak plank556
Down
10015010,000P2P iconview4 years ago
Clean kwuarmClean kwuarm11,981
Up
213210,000P2P iconview4 years ago
Clean snapdragonClean snapdragon1,979
Up
233510,000P2P iconview4 years ago
Dragon bootsDragon boots11,603
Up
8,00012,00010P2P iconview4 years ago
Dragonfire shieldDragonfire shield1,200,875
Up
800,0001,200,00010P2P iconview4 years ago
Rune armour set (lg)Rune armour set (lg)54,668
Unchg
Cannot be alchemised100F2P iconview4 years ago
10 January 2008
Item Base date Base price Price on adjustment date Comments
Coal ca. December 2007 159 Unknown Unchanged
Steel bar 540
Gold ore 528
Nature rune 271
Death rune 299
Pure essence 80
Yew logs 411
Magic logs 1,222
Cowhide 109
Flax 70
Soft clay 207
Limpwurt root 646
Law rune 303
Big bones 419
Raw lobster 237
Mithril ore 315 Added item
Raw swordfish 237
Raw monkfish 350
Snape grass 428
Clean ranarr 5,959
Clean kwuarm 3,030
Clean snapdragon 6,885
Vial of water 98
12 February 2012
Item Base date Base price Price on adjustment date Comments
Coal ca. December 2007 159 320 Unchanged
Steel bar 540 1,335
Gold ore 528 304
Nature rune 271 226
Death rune 299 452
Pure essence 80 125
Yew logs 411 522
Magic logs 1,222 1,592
Cowhide 109 513
Flax 70 72
Soft clay 207 541
Limpwurt root 646 2,060
Raw lobster 237 285
Raw monkfish 10 January 2008 350 601
Snape grass 428 314
Clean snapdragon 6,885 9,866
Clean kwuarm 3,030 1,828
Law rune ca. December 2007 303 363 Removed item
Big bones 419 621
Raw swordfish 10 January 2008 325 492
Mithril ore 315 349
Vial of water 98 36
Clean ranarr 5,959 4,958
Abyssal whip 420,951 Added item
Dragon boots 103,701
Rune armour set (lg) 136,531
Red chinchompa 1,592
Oak plank 639
Shark 1,715
Green dragonhide 2,196
Dragon bones 3,962
Cannonball 407
Dragonfire shield 7,946,801

Calculations

From the old divisor obtained from the templates:


We need to calculate a new divisor:


To calculate the new divisor, we need to find:


And also:


Thus, the new divisor is:

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