FoundationNumeric answer
Reading the top of the book · Part 1 of 4
A stock’s best bid is 100.00 for 900 shares and its best offer is 100.02 for 100 shares. The tick size is 0.01.
What is the mid price?
Answer with a number. Fractions, powers and expressions like 23/6 or C(52,5) are read correctly in practice.
The worked solution is in Premium
The answer, the full working and the one idea to take away – for this and all 1,322 questions in the bank. Answer it in practice and your working is marked, with a known mistake named when you make one.
Learn the method
Market-data cases: short-horizon prediction from the order book
More research case studies questions
- The best bid has 300 lots and the best offer 100.Foundation
- You buy 100 shares at $10.00, 300 at $10.20 and 100 at $10.50.Foundation
- You buy at $100.03 when the mid-quote is $100.00.Foundation
- You are asked to build a five-minute return predictor from order book data.Applied
- A short-horizon signal earns 8 basis points a trade before costs of 3 basis…Applied
- You need to classify trades as buyer- or seller-initiated from trades and quotes.Applied