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Market Maker Move Calculation . Which you can use this information for further processing in your trading strategies. It helps to identify the implied move due to an event between now and the front month expiration (if an event exists). What's Shakin'? Volatility, That's What. Ticker Tape from tickertape.tdameritrade.com That implies that you’re willing to hold long or short balances in the security. To make a market you must post prices at which you are willing to buy a security and at which you are willing to sell it. Which you can use this information for further processing in your trading strategies.