Markets
Reading the options book at the open
The first ninety seconds carry more information than the next hour.
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Knowledge beyond the markets
Notes from the trading, research and engineering teams
on the work they run every day.
Recent posts
Engineering
When Algorithms Meet the Market
What we saw after moving the hot path off the kernel network stack.
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Engineering
Testing a matching engine you cannot pause
Deterministic replay as the only honest test harness.
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Research
Latency and the shape of adverse selection
Why a faster quote is not always a better quote.
Read→Research reports
Markets
India options liquidity, quarter in review
How screen liquidity moved across strikes and expiries over the quarter.
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Markets
Closing auction behaviour across large caps
Volume, imbalance and price impact in the final ten minutes.
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Engineering
Latency budgets across colocation venues
Where the microseconds sit, measured venue by venue.
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Research
Volatility regimes and signal decay
How quickly a signal stops paying once the regime turns.
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Research
Index rebalance flow, five-year study
What the rebalance window looks like from the order book side.
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