端点
wss://ws-subscriptions-clob.polymarket.com/ws/market
订阅
{
"assets_ids": ["<token_id_1>", "<token_id_2>"],
"type": "market",
"custom_feature_enabled": true
}
custom_feature_enabled: true 以接收 best_bid_ask、new_market 和 market_resolved 事件。
消息类型
每条消息都包含一个event_type 字段来标识类型。
book
首次订阅市场时以及发生影响订单簿的交易时触发。{
"event_type": "book",
"asset_id": "65818619657568813474341868652308942079804919287380422192892211131408793125422",
"market": "0xbd31dc8a20211944f6b70f31557f1001557b59905b7738480ca09bd4532f84af",
"bids": [
{ "price": ".48", "size": "30" },
{ "price": ".49", "size": "20" },
{ "price": ".50", "size": "15" }
],
"asks": [
{ "price": ".52", "size": "25" },
{ "price": ".53", "size": "60" },
{ "price": ".54", "size": "10" }
],
"timestamp": "123456789000",
"hash": "0x0...."
}
price_change
下新订单或取消订单时触发。{
"market": "0x5f65177b394277fd294cd75650044e32ba009a95022d88a0c1d565897d72f8f1",
"price_changes": [
{
"asset_id": "71321045679252212594626385532706912750332728571942532289631379312455583992563",
"price": "0.5",
"size": "200",
"side": "BUY",
"hash": "56621a121a47ed9333273e21c83b660cff37ae50",
"best_bid": "0.5",
"best_ask": "1"
},
{
"asset_id": "52114319501245915516055106046884209969926127482827954674443846427813813222426",
"price": "0.5",
"size": "200",
"side": "SELL",
"hash": "1895759e4df7a796bf4f1c5a5950b748306923e2",
"best_bid": "0",
"best_ask": "0.5"
}
],
"timestamp": "1757908892351",
"event_type": "price_change"
}
size 为 "0" 表示该价格级别已从订单簿中移除。
tick_size_change
市场的最小价格变动单位发生变化时触发。当订单簿价格达到极限值时会发生这种情况：price > 0.96 或 price < 0.04。{
"event_type": "tick_size_change",
"asset_id": "65818619657568813474341868652308942079804919287380422192892211131408793125422",
"market": "0xbd31dc8a20211944f6b70f31557f1001557b59905b7738480ca09bd4532f84af",
"old_tick_size": "0.01",
"new_tick_size": "0.001",
"timestamp": "100000000"
}
last_trade_price
Maker 和 Taker 订单匹配，产生交易事件时触发。{
"asset_id": "114122071509644379678018727908709560226618148003371446110114509806601493071694",
"event_type": "last_trade_price",
"fee_rate_bps": "0",
"market": "0x6a67b9d828d53862160e470329ffea5246f338ecfffdf2cab45211ec578b0347",
"price": "0.456",
"side": "BUY",
"size": "219.217767",
"timestamp": "1750428146322"
}
best_bid_ask
需要
custom_feature_enabled: true。{
"event_type": "best_bid_ask",
"market": "0x0005c0d312de0be897668695bae9f32b624b4a1ae8b140c49f08447fcc74f442",
"asset_id": "85354956062430465315924116860125388538595433819574542752031640332592237464430",
"best_bid": "0.73",
"best_ask": "0.77",
"spread": "0.04",
"timestamp": "1766789469958"
}
new_market
需要
custom_feature_enabled: true。{
"id": "1031769",
"question": "Will NVIDIA (NVDA) close above $240 end of January?",
"market": "0x311d0c4b6671ab54af4970c06fcf58662516f5168997bdda209ec3db5aa6b0c1",
"slug": "nvda-above-240-on-january-30-2026",
"description": "This market will resolve to \"Yes\" if the official closing price...",
"assets_ids": [
"76043073756653678226373981964075571318267289248134717369284518995922789326425",
"31690934263385727664202099278545688007799199447969475608906331829650099442770"
],
"outcomes": ["Yes", "No"],
"event_message": {
"id": "125819",
"ticker": "nvda-above-in-january-2026",
"slug": "nvda-above-in-january-2026",
"title": "Will NVIDIA (NVDA) close above ___ end of January?",
"description": "This market will resolve to \"Yes\" if the official closing price..."
},
"timestamp": "1766790415550",
"event_type": "new_market"
}
market_resolved
需要
custom_feature_enabled: true。{
"id": "1031769",
"question": "Will NVIDIA (NVDA) close above $240 end of January?",
"market": "0x311d0c4b6671ab54af4970c06fcf58662516f5168997bdda209ec3db5aa6b0c1",
"slug": "nvda-above-240-on-january-30-2026",
"description": "This market will resolve to \"Yes\" if the official closing price...",
"assets_ids": [
"76043073756653678226373981964075571318267289248134717369284518995922789326425",
"31690934263385727664202099278545688007799199447969475608906331829650099442770"
],
"outcomes": ["Yes", "No"],
"winning_asset_id": "76043073756653678226373981964075571318267289248134717369284518995922789326425",
"winning_outcome": "Yes",
"event_message": {
"id": "125819",
"ticker": "nvda-above-in-january-2026",
"slug": "nvda-above-in-january-2026",
"title": "Will NVIDIA (NVDA) close above ___ end of January?",
"description": "This market will resolve to \"Yes\" if the official closing price..."
},
"timestamp": "1766790415550",
"event_type": "market_resolved"
}