{
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "$id": "https://firmtape.com/contracts/public/events/alerts/wall_move.schema.json",
 "title": "wall_move",
 "description": "Sent when the call wall or the put wall stands on a new strike and holds it.",
 "allOf": [
  {
   "$ref": "envelope.schema.json"
  }
 ],
 "properties": {
  "type": {
   "const": "wall_move",
   "description": "`wall_move`."
  },
  "direction": {
   "enum": [
    "up",
    "down"
   ],
   "description": "Which way the wall moved."
  }
 },
 "x-when": [
  "The new strike has held for twenty seconds.",
  "ES, NQ and RTY: measured on the index levels, so a step of the basis is not a move.",
  "A wall that returns to a strike it alerted on within fifteen minutes is quiet."
 ],
 "x-features": [
  "level-alerts",
  "webhooks"
 ],
 "examples": [
  {
   "version": 1,
   "id": "evt_3f9a0c6e21d4b7a8e5f10c2d",
   "type": "wall_move",
   "symbol": "SPX",
   "price": 6712.25,
   "book": "volume",
   "ts": "2026-10-09T14:32:05-04:00",
   "day": "2026-10-09",
   "levels": {
    "flip": 6715.5,
    "call_wall": 6750,
    "put_wall": 6700,
    "put_support": 6700
   },
   "level": {
    "kind": "call_wall",
    "value": 6760,
    "from": 6750
   },
   "direction": "up",
   "text": "SPX call wall moved from 6,750.00 to 6,760.00"
  }
 ],
 "x-source": "alerts",
 "x-product": "live",
 "x-plan": "live",
 "x-version": 1,
 "x-since": "2026-10-11",
 "x-switch-on": "Account, Level alerts: a webhook address, and the event on the watchlist."
}