The Rat Market (Guide)

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Category:World Qualities

Rat Market:
The Rat Market is: Closed, based on the timestamp: Tue, 16 Apr 2024 14:57:25 +0000

Last updated on: 11:15, 15 Apr 2024 (UTC)

Diamondsmall.png Early PoSI Content and Onwards

The Rat Market is a periodic, dynamic piece of content released in September 1899 (2021). Its mechanics make heavy use of World Qualities. According to the announcement post, one of the goals of the Rat Market is to introduce a regular source of variation, so that players are encouraged to experience more of the available content.

Every week, the Rat Market is only open for three days spanning the weekend. You access the Rat Market from a storylet in the Flit. It opens at 11am UTC on Friday, and closes at 11am UTC on Monday. Check your local time zone to see when it's accessible for you, and beware of Daylight Savings Time.


The most important to know up-front is that you cannot save Rat-Shillings. 72 hours after you enter the Rat Market (and gain the A Rat for the Weekend quality), any Rat-Shillings you have left will be converted to Rostygold at a rate of 10 Rostygold per Rat-Shilling.

The second-most important thing to know about is The Rat Market (Bazaar), and the consistent things you can purchase from it. In some cases, this may be the purpose of your visit. In other cases, this may be an outlet of Rat-Shillings that would otherwise become Rostygold.

World Qualities[edit]

What can be sold for Rat-Shillings, and what can be bought with Rat-Shillings, changes with a variety of different World Qualities on a weekly basis. The Rat Season cycles one season every week and determines which items you can sell for Rat-Shillings. The Rat-Wind and Rat-Moon change randomly every week to a new value. Each of these qualities unlock an array of items to buy, and their conjunction unlocks a Most Valuable or otherwise hard-to-get items. These are not regular economic items, and are either at a more substantial discount or are otherwise difficult to obtain. The False-Season follows real-world seasons and serves to unlock a unique piece of buyable equipment, for a total of 4 different pieces of equipment.

Cryptic Clues[edit]

While the market is only available on weekends, the clues to next weekend's items are revealed earlier with this action. The Rat-Season clue is linked to one of the items that can be exchanged that week, while the Rat-Moon and Rat-Wind hint at some items that can be gained that season.

For reference: East - "The unseen Rat-Wind is in the east; time is shorter this season! Look to your wrists!"

This refers to the Ratwork Watch

Soft - "However, the hidden Rat-Moon is soft, they say. Soft as skin and pink as a gentlerat's paw."

This refers to the Lenguals

Kifer-Caitiff - "This is to be expected in the secret Rat-Season of Kifer-Caitiff. Sing your sorrow, but quietly. You never know who's listening. The tunnels have ears still unclogged!"

This refers to Captivating Ballads

Selling Items for Rat-Shillings[edit]

What items you can sell for Rat-Shillings depends on The Rat-Season: World Quality. The option to sell them is accessed from the Smaller Stalls; note that these sales take one action each (except for the Fourth-City Echoes, which can additionally be sold from the Bazaar tab). All items are available in a range of Rat-Seasons, covering three consecutive weekends. This makes for somewhat less volatility for players wishing to stock up on exchangeable items. After the third week, the item will leave the Rat-Market and be replaced by another of equivalent value. These replacements are staggered, with one item being replaced each weekend.

The option to sell a Fourth-City Echo is always available. This item has no other repeatable uses at this moment, and can be farmed in L.B. Industries at a competitive rate.

Rat-Season Abbreviations:

  • FaF: Freeze-and-Fall
  • LL: Lying-Longing
  • CC: Candle-Canker
  • WaW: Wink-and-Wane
  • VV: Vial-Vane
  • TaT: Take-and-Toil
  • WW: Wine-Whisper
  • RaR: Rise-and-Rake
  • NK: Nitre-Knife
  • KC: Kifer-Caitiff
  • SS: Skitter-Scatter
  • DD: Dimmest-Dark

Current season: Skitter-Scatter (SS)

Item Tier Shillings (bonus) The Rat-Season:
May 03 - May 06 May 10 - May 13 May 17 - May 20 May 24 - May 27 May 31 - Jun 03 Jun 07 - Jun 10 Jun 14 - Jun 17 Jun 21 - Jun 24 Jun 28 - Jul 01 Jul 05 - Jul 08 Apr 19 - Apr 22 Apr 26 - Apr 29

E 12.50[1][2]

125 (+0%) Fourth-City Echo
Tier 5

E 12.50

200 (+60%)[3] Storm-Threnody Ratty Reliquary Unlawful Device Uncanny Incunabulum
Tier 6

E 62.50

850 (+36%) Night-Whisper Parabola-Linen Scrap Crackling Device Captivating Ballad
Tier 7

E 312.50

4000 (+28%) Corresponding Sounder Scrap of Ivory Organza Cartographer's Hoard Parabolan Parable

Buying Items with Rat-Shillings[edit]

Items can be purchased with Rat-Shillings from four shops in the Bazaar tab, or two storylets which do not cost actions. A single Rat-Shilling is assumed to have a value of ten pennies (E 0.10). The actual exchange rate varies by good, but that's an easy value by which to compare.

In the Bazaar tab, cheap economic items can be purchased for a value equal to their Bazaar sell price, while more expensive items have a mark-up, going up to a 100% cost increase for items selling for E 2.50 or more. Equipable items can be purchased from the Rat Market for slightly cheaper than they cost in the Echo Bazaar (which is always still greater than the value of selling them back to the Bazaar).

From the (Ratty) Bazaar[edit]

Crow-Crease Cryptics:

Item Sale Value Shillings
Inkling of Identity E 0.10 1 (at value)
Maniac's Prayer E 0.10 1 (at value)
Appalling Secret E 0.15 2 (+33%)
Compromising Document E 0.50 7 (+40%)
Correspondence Plaque E 0.50 7 (+40%)
Journal of Infamy E 0.50 7 (+40%)
Tale of Terror!! E 0.50 7 (+40%)
Touching Love Story E 2.50 50 (+100%)
Blackmail Material E 12.50 250 (+100%)

Extramurine Trading Company:

Item Sale Value Shillings
Royal-Blue Feather E 0.50 / 1 8 (+60%)
Solacefruit E 0.50 / 1 8 (+60%)
Hand-picked Peppercaps 1 10 (+100%)
Nightsoil of the Bazaar 1 10 (+100%)
Preserved Surface Blooms E 2.50 / 3 25 (at value)
Carved Ball of Stygian Ivory E 2.50 / 5 45 (+80%)
Crate of Incorruptible Biscuits E 2.50 / 5 60 (+140%)

Merry Gun's Exchange:

Item Sale Value Shillings
Buy price at the Bazaar
Amanita Sherry E 0.10 1 (at value)
Map Scrap E 0.10 1 (at value)
Phosphorescent Scarab E 0.10 1 (at value)
Flawed Diamond E 0.12 2 (+67%)
Palimpsest Scrap E 0.50 7 (+40%)
Rattus Faber Rifle E 2.50 50 (+100%)
Skyglass Knife E 6.40 120 E 12.80
Set of Kifers E 32.40 640 E 64.80
Ravenglass Knife E 102.40 2000 E 204.80
Set of Intricate Kifers E 312.50 3999 E 400.00
Ratwork Derringer E 250.00 4000 E 400.00

Nightclaw's Paw-Brokers:

Item Shillings Buy price at the Bazaar
Well-Placed Pawn 2
Pair of Scarlet Stockings of Dubious Origin 20 E 4.00
Antique Constable's Badge 300 E 30
Copper Cipher Ring 400 E 40
Red-Feathered Pin 400 E 40
Tiny Jewelled Reliquary 400 E 40
Engraved Pewter Tankard 500 E 50
Old Bone Skeleton Key 600 E 62.50
Ornate Typewriter 600 E 60

Direction of the Rat-Wind[edit]

Current value: South

Item Rat-Wind Currently available? Buy price at the Bazaar Shillings
Ratwork Watch East E 460.00 3200 (-30%)
Poison-tipped Umbrella South E 450.00 3200 (-29%)
Ratwork Pocket Piece West N/A 3200
Rat's-Head Cane North N/A 3200

Phase of the Rat-Moon[edit]

Current value: Runny

Item Phase of the Rat-Moon: Currently available? Buy price at the Bazaar Shillings
Blue Soft Hard Runny
Irrigo-filled Mirrorcatch Box N/A 3500
Mirrorcatch Box
Gant-filled Mirrorcatch Box N/A 3750
Fecund Amber Tiara E 400 2800 (-30%)
Pair of Lenguals E 400 2800 (-30%)
Smock of Four Thousand Three Hundred and Eight Pockets E 420 2800 (-33%)
Pair of Vakeskin Boots E 320 2800(-12.5%)

Rat-Wind + Rat-Moon[edit]

Item Rat-Wind Rat-Moon Currently available? Sale value Shillings
Pair of Irrigo Goggles East Blue E 28.8 2000 (+594%)
Ray-Drenched Cinder East Soft E 312.5 3125 (at value)
Eyeless Skull East Hard E 62.5[1] 625 (at value)
Starstone Demark East Runny E 312.5 3125 (at value)
Intriguer's Compendium South Blue E 312.5 3125 (at value)
Elemental Secret South Hard E 312.5 3125 (at value)
Strange-Shore Parabola Suit / Strange-Shore Parabola Frock South Soft E 470 5000 (+6.4%)
Coruscating Soul South Runny E 312.5 3125 (at value)
Edicts of the First City West Blue E 312.5 3125 (at value)
Reported Location of a One-Time Prince of Hell West Soft E 1560 15625 (+0.2%)
Pair of Forgotten Spidersilk Slippers West Hard E 160 3000 (+87.5%)
Legenda Cosmogone West Runny E 312.5 3125 (at value)
Vial of Tears of the Bazaar North Blue E 312.5 3125 (at value)
Fabulous Diamond North Soft E 312.5 3125 (at value)
Fecund Amber North Hard E 312.5 3125 (at value)
Stainless Gloves North Runny N/A 4000 (N/A)
  1. 1.0 1.1 Assumed value, may not be sold directly
  2. Sale takes 0 actions
  3. Or sell 5 for 850 in one action (+36%)

The False-Season[edit]

Current value: Spring

Item False-Season Begins on[1] Currently available? Shillings
Venge-Rat Waders Autumn Sep 3 10000
St Eligius' Beard Hairs Winter Dec 3 10000
False-Star Catalogue Spring Mar 5 10000
Leviathan-Bone Knife Summer Jun 4 10000
  1. The value updates on the first Tuesday of the corresponding month

Unique Items[edit]

A handful of items in the Rat Market have no other sources.

Item Accessibility Currently available? Shillings Slot Stats
Rat's-Head Cane Rat-Wind: North 3200 Weapon
Ratwork Pocket Piece Rat-Wind: West 3200 Weapon
Stainless Gloves 4000 Gloves
Venge-Rat Waders The False-Season: Autumn 10000 Boots
St Eligius' Beard Hairs The False-Season: Winter 10000 Affiliation
False-Star Catalogue The False-Season: Spring 10000 Weapon
Leviathan-Bone Knife The False-Season: Summer 10000 Weapon