2 files changed, 23 insertions, 4 deletions
diff --git a/data/rooms/casino/6100.yaml b/data/rooms/casino/6100.yaml
index e0734b5..ef03517 100644
--- a/data/rooms/casino/6100.yaml
+++ b/data/rooms/casino/6100.yaml
@@ -1,20 +1,22 @@
 name: Vestibule
 description: A ceiling of tiny brass suns hangs over polished stone. Icarus Leisure's emblem repeats on
-  every column. Grand stairs rise to the ground gaming floor.
+  every column. Grand stairs rise to the ground gaming floor, and the Prediction Exchange glows to the east.
 exits:
   south:
     room: 5111
   up:
     room: 6101
+  east:
+    room: 6110
 mobs:
 - id: casino_host
 - id: casino_cashier
 objects:
 - name: wayboard
   description: 'Domita Fortuna in one line: take the stairs up to the gaming street — blackjack,
-    baccarat, roulette, craps, slots, video poker, then Pai Gow Poker, going east. Each salon keeps its own house
-    editions in the galleries north and south. The bank booth by the door stores your valuables;
-    no wager is needed to explore.'
+    baccarat, roulette, craps, slots, video poker, then Pai Gow Poker, going east. The Prediction
+    Exchange is through the east arch. Each salon keeps its own house editions in the galleries north
+    and south. The bank booth by the door stores your valuables; no wager is needed to explore.'
   inroom_description: A wayboard stands where travelers can read it.
 - id: bank_booth
 item_spawns:
diff --git a/data/rooms/casino/6110.yaml b/data/rooms/casino/6110.yaml
new file mode 100644
index 0000000..0e69c41
--- /dev/null
+++ b/data/rooms/casino/6110.yaml
@@ -0,0 +1,17 @@
+name: Prediction Exchange
+prediction_exchange: true
+description: Brass rails divide a wall of glowing odds boards from a polished counter. Each board
+  carries real-world questions with a yes-and-no bar; clerks chalk new prices as the world moves.
+  A bell rings somewhere above the trading floor.
+exits:
+  west:
+    room: 6100
+mobs:
+- id: prediction_clerk
+objects:
+- name: odds board
+  description: 'The board lists open markets with live prices. Winning shares pay 100 credits
+    each. Use predictions (or use market/use exchange) to trade, active and closed to review your
+    contracts, and collect to withdraw resolved winnings. The house takes the other side of every
+    trade; players never trade with each other.'
+  inroom_description: A vast odds board glows above the counter.