tx 0x0794c04f41c6406b528cdf52dce87dbc0e5a8d15b73915cfbf2b2d9a4da56c46Copy

reduce-only order has no opposing position

{
  "PlaceOrder": {
    "side": "Long",
    "size": 10000000000,
    "price": 0,
    "leverage": 50,
    "market_id": 0,
    "post_only": false,
    "stop_loss": null,
    "account_id": 148,
    "order_type": "Market",
    "reduce_only": true,
    "take_profit": null,
    "time_in_force": "IOC",
    "trigger_price": null,
    "max_slippage_bps": 500
  }
}