[Home](./index.md) > [bitburner](./bitburner.md) > [BitNodeMultipliers](./bitburner.bitnodemultipliers.md) > [FourSigmaMarketDataApiCost](./bitburner.bitnodemultipliers.foursigmamarketdataapicost.md) ## BitNodeMultipliers.FourSigmaMarketDataApiCost property Influences how much it costs to unlock the stock market's 4S Market Data API **Signature:** ```typescript FourSigmaMarketDataApiCost: number; ```