Список проголосовавших за комментарий "У IB ограничение на 60 запросов(с количество могу ошибиться но цифра где то рядом) в 10 минут.<br/> Не бесплатный датафид у них. Можно купит больше, но это уже деньги.<br/> Бесплатного фида нет.<br/> <p>All of the API technologies support historical data requests. However, requesting the same historical data in a short period of time can cause extra load on the backend and subsequently cause pacing violations. The error code and message that indicates a pacing violation is:</p><p>162 — Historical Market Data Service error message: Historical data request pacing violation</p><p>The following conditions can cause a pacing violation:</p><ul><li>Making identical historical data requests within 15 seconds;</li><li>Making six or more historical data requests for the same Contract, Exchange and Tick Type within two seconds.</li></ul><p>Also, observe the following limitation when requesting historical data:</p><ul><li>Do not make more than 60 historical data requests in any ten-minute period.</li><li>If the whatToShow parameter in reqHistoricalData() is set to BID_ASK, then this counts as two requests and we will call BID and ASK historical data separately.</li></ul>"