Column for Bid/Ask slippage


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I want a column in the watchlist that subtracts the bid from the ask to return a number so we can predict the slippage at that moment.

this is very useful for stocks that are spready, the bid/ask is very wide and you are timing that moment when the bid/ask gets super tight for a period of consolidation to predict an explosion in price action, and a great time to enter for a scalp and/or predict a rise in volatility coming soon.

Thanks

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Posted by (Questions: 3, Answers: 1)
Asked on November 1, 2020 5:26 pm
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Private answer

Sorry but the bid and the ask are not available when writing custom columns for a watchlist. The Thinkorswim language provides tools to read the bid and ask but they are not supported for custom watchlist columns, options chains or Study Filters of custom scans.

Yes, this issue has been addressed several times in the forum. But it's difficult to find specific examples using the search function.

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Posted by (Questions: 37, Answers: 4118)
Answered on November 1, 2020 5:59 pm