[Home](./index.md) > [bitburner](./bitburner.md) > [BitNodeMultipliers](./bitburner.bitnodemultipliers.md) > [FourSigmaMarketDataCost](./bitburner.bitnodemultipliers.foursigmamarketdatacost.md) ## BitNodeMultipliers.FourSigmaMarketDataCost property Influences how much it costs to unlock the stock market's 4S Market Data (NOT API) **Signature:** ```typescript FourSigmaMarketDataCost: number; ```