> ## Documentation Index > Fetch the complete documentation index at: https://docs.polymarket.us/llms.txt > Use this file to discover all available pages before exploring further. # ExecutionReport Message The Drop Copy feed supports the delivery of Execution Reports for order updates, fills, and cancels. The ExecutionReport message structure is identical to that sent over order-entry sessions. ## ExecutionReport \[8] Message ### Core Fields | Tag | Field | Req | Type | Description | | --- | ------------ | --- | ----- | ------------------------------------------------- | | 35 | MsgType | Y | str | 8 = ExecutionReport | | 1 | Account | N | str | Account reference if indicated on order | | 6 | AvgPx | Y | price | Volume-weighted average price of all trades | | 11 | ClOrdID | Y | str | Participant-assigned order ID | | 14 | CumQty | Y | qty | Cumulative filled quantity | | 17 | ExecID | Y | str | Unique execution report ID (13-char alphanumeric) | | 31 | LastPx | Y | price | Price of this fill (zero if not a trade) | | 32 | LastQty | Y | qty | Quantity of this fill (zero if not a trade) | | 37 | OrderID | Y | str | Exchange-assigned order ID (13-char alphanumeric) | | 38 | OrderQty | Y | qty | Total order quantity | | 44 | Price | Y | price | Order limit price | | 54 | Side | Y | char | 1=Buy, 2=Sell | | 55 | Symbol | Y | str | Instrument symbol | | 60 | TransactTime | Y | time | Transaction timestamp | | 99 | StopPx | Y | price | Stop price (zero for non-stop orders) | | 151 | LeavesQty | Y | qty | Remaining unexecuted quantity | ### Order Status | Tag | Field | Req | Type | Values | | --- | --------- | --- | ---- | ------------------------------------------------------------------------------------------------------------------------------------------ | | 39 | OrdStatus | Y | char | 0=New, 1=Partially filled, 2=Filled, 3=Done For Day, 4=Canceled, 6=Pending Cancel, 8=Rejected, A=Pending New, C=Expired, E=Pending Replace | | 150 | ExecType | Y | char | 0=New, 3=Done For Day, 4=Canceled, 5=Replaced, 8=Rejected, C=Expired, F=Trade | ### Order Type & Time in Force | Tag | Field | Req | Type | Values | | --- | ----------- | --- | ---- | -------------------------------------------------------------- | | 40 | OrdType | Y | char | 2=Limit, 3=Stop, 4=Stop Limit, K=Market with leftover as limit | | 59 | TimeInForce | Y | char | 0=Day, 1=GTC, 3=IOC, 4=FOK, 6=GTD | | 126 | ExpireTime | N | time | Order expiry timestamp | ### Security Identification | Tag | Field | Req | Type | Description | | --- | ---------------- | --- | ---- | --------------------------------------------------------------------------------------------------- | | 22 | SecurityIDSource | Y | str | Security ID source (8=Exchange symbol) | | 48 | SecurityID | Y | str | Security identifier (matches Symbol) | | 167 | SecurityType | N | str | EVENT=Event contract. Currently, Polymarket only offers EVENT instruments. | | 762 | SecuritySubType | N | str | Sub-type qualification of SecurityType/CFICode | | 460 | Product | N | int | Product type: 1=AGENCY, 2=COMMODITY, 3=CORPORATE, 4=CURRENCY, 5=EQUITY, 6=GOVERNMENT, 7=INDEX, etc. | ### Trade-Specific Fields | Tag | Field | Req | Type | Description | | ---- | ------------------ | --- | ---- | --------------------------------------------------------------- | | 12 | Commission | N | amt | Commission amount charged on this fill, trades only | | 13 | CommType | N | char | Commission calculation method. 3=Absolute (total dollar amount) | | 119 | SettlCurrAmt | N | amt | Amount of this fill (LastPx × LastQty), trades only | | 381 | GrossTradeAmt | N | amt | Total traded amount (AvgPx × CumQty) | | 828 | TrdType | N | int | Trade type: 0=Regular trade | | 880 | TrdMatchID | C | str | Unique trade ID (13-char, same for buyer/seller) | | 1057 | AggressorIndicator | C | bool | Whether this order was the aggressor | ### Order Modification | Tag | Field | Req | Type | Description | | --- | --------------------- | --- | ---- | ------------------------------------------------------------------- | | 41 | OrigClOrdID | N | str | Original ClOrdID being amended/canceled | | 378 | ExecRestatementReason | N | int | Unsolicited cancel reason: 8=Market/exchange option, 99=Other (SMP) | ### Rejection | Tag | Field | Req | Type | Description | | --- | ------------ | --- | ---- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | 103 | OrdRejReason | N | int | 0=Broker/Exchange, 1=Unknown symbol, 2=Closed, 3=Price limit, 5=Unknown order, 6=Duplicate ClOrdID, 11=Unsupported, 12=Surveillance, 13=Bad quantity, 15=Unknown account, 16=Price band, 18=Bad tick size, 99=Other | ### Account Classification | Tag | Field | Req | Type | Values | | --- | ----------------- | --- | ---- | ----------------------------------------------------------------------------------------------------------------------------------------- | | 581 | AccountType | N | int | 1=CUSTOMER, 2=NON\_CUSTOMER, 3=HOUSE\_TRADER, 4=FLOOR\_TRADER, 14=LIQUIDITY\_PROVIDER, 17=FUTURES\_MARKET\_MAKER (see spec for full list) | | 582 | CustOrderCapacity | N | int | 1=OWN\_ACCOUNT, 2=PROPRIETARY, 3=FINANCIAL\_ADVISOR, 4=ALL\_OTHER, 5=RETAIL\_CUSTOMER | ### Party Identification | Tag | Field | Req | Type | Description | | ----- | ------------- | --- | ---- | ----------------------------------------------------- | | 453 | NoPartyIDs | N | int | Number of party entries | | → 448 | PartyID | N | str | Party identifier/code | | → 447 | PartyIDSource | N | char | D=Proprietary | | → 452 | PartyRole | N | int | 1=EXECUTING\_FIRM, 3=CLIENT\_ID, 24=CUSTOMER\_ACCOUNT | ### Advanced Features | Tag | Field | Req | Type | Description | | ---- | ---------------------- | --- | ---- | ---------------------------------------------- | | 110 | MinQty | N | qty | Minimum execution quantity | | 1028 | ManualOrderIndicator | N | bool | Order received manually vs electronically | | 6127 | ConditionTriggerMethod | N | int | Stop trigger: 2=Last price, 5=Settlement price | ### Self-Match Prevention | Tag | Field | Req | Type | Description | | ---- | ------------------------------ | --- | ---- | ----------------------------------------------------------------------------------------------- | | 7928 | SelfMatchPreventionID | N | str | Unique identifier for the self-match prevention instruction | | 8000 | SelfMatchPreventionInstruction | N | str | Self-match instruction. O = Cancel oldest (resting) order, N = Cancel newest (aggressive) order | *** ## Example ExecutionReport for a Fill ``` | Field | Value | Description | |--------------------|------------|--------------------------------| | ClOrdID | "ABCD" | Client order ID | | OrdStatus | "2" | Order fully filled | | ExecType | "F" | Trade execution | | Side | "1" | Buy order | | Account | "account1" | Trading account | | Price | 0.525 | Order limit price | | OrderQty | 100 | Original order quantity | | LastQty | 100 | Quantity of this fill | | LastPx | 0.525 | Price of this fill | | AvgPx | 0.525 | Average fill price | | LeavesQty | 0 | Remaining unfilled quantity | | CumQty | 100 | Total filled quantity | | GrossTradeAmt | 52.50 | Total trade amount | | AggressorIndicator | false | Passive side of trade | | TrdMatchID | "trade123" | Unique trade identifier | ```