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Across 50 NSE large caps
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Ideas worth considering. Questions worth asking. Research, market perspectives, quantitative analysis and news from Oak Field.
The market desk
Markets, as they move.
Live prices, the day's movers and the headlines behind them. The evidence first, the story second.
Latest news
- Senate Democrats sink 'toothless' stock trading ban, data center bill in last act before election recess (opens in a new tab)
- Trump's latest global tariffs face trade court challenge (opens in a new tab)
- Kalshi traders see high odds Anthropic's IPO is announced this year (opens in a new tab)
- The market search for balance sheet cash cow 'quality' stocks is shifting with mega AI spend (opens in a new tab)
- Inside Man: How Chinese spies used lies, love and betrayal to target the Federal Reserve (opens in a new tab)
- Fed watchdog finds renovation failures, but no grounds for criminal referral (opens in a new tab)
- DOJ accuses Minnesota federal judges of misconduct for NY Times immigration interviews (opens in a new tab)
- 10-year Treasury yield turns higher as traders look past inflation data, await jobs report (opens in a new tab)
- Commerce Secretary Howard Lutnick reports more than $250 million in income last year (opens in a new tab)
- Trump administration starts sending $500 Obamacare refund checks — who stands to benefit (opens in a new tab)
- Stellantis CEO reconfirms 2026 guidance, says turnaround plan continues as automaker's shares hit new low (opens in a new tab)
- Avalon Tech block deal: Promoters divest 6% stake worth Rs 871 crore (opens in a new tab)
- Ahead of Market: 10 things that will decide stock market action on Thursday (opens in a new tab)
- Treasury launches student loan support center as new data show 9.3 million borrowers in default (opens in a new tab)
- FTC is investigating OpenAI, Anthropic and other AI companies over product risks (opens in a new tab)
- FII selling worsens; foreign investors pull out Rs 26,000 crore from Indian equities in three days (opens in a new tab)
- Nvidia is approaching a breakout level. Plus, what we want to see from Micron (opens in a new tab)
- Market Trading Guide: JM Financial, IDFC First Bank among 5 stock recommendations for Thursday (opens in a new tab)
- Trump's meeting with tech leaders leaves AI safety more unsettled than ever (opens in a new tab)
- Promoters dilute 6% stake in Avalon Technologies for Rs 871 crore (opens in a new tab)
- US dollar retreats after softer-than-expected inflation data (opens in a new tab)
- US yields pull back as rate hike bets ease after inflation data (opens in a new tab)
- People switching to Novo's Wegovy pill from obesity injections kept losing weight in real-world study (opens in a new tab)
- 'Super intelligence is a national security issue,' Jay Clayton says; dodges AI 'czar' question (opens in a new tab)
- Private sector jobs rose by 90,000 in September, better than expected, ADP reports (opens in a new tab)
- Parents who want to help their kids in a tough job market should avoid this 1 move, says career expert (opens in a new tab)
- Eli Lilly says closely watched combo obesity regimen boosts weight loss in mid-stage trial (opens in a new tab)
- Kalshi, Polymarket trading volumes on some products raises questions amid massive growth (opens in a new tab)
- Geojit Financial Services reshuffles top deck; Jones George to take over as MD (opens in a new tab)
- Robinhood unveils weekend hours, AI agents to allow users to trade nonstop (opens in a new tab)
Markets action
Market closed · BSE72,480.29INR−48.78 (−0.07%)
- Prev close
- 72,529.07
- Today
- −0.07%
- Day range
- 72,366.44 – 73,062.23
- 52-week range
- 71,545.81 – 86,159.02
Last updated:
Market data from Yahoo Finance; headlines from CNBC and The Economic Times, linking to the publisher. Quotes may be delayed by up to 15 minutes. For information only, not investment advice.
01 / 03
Research Notes
In-depth research, methodologies and technical work from our team.
Latest · 12 Sep 2026CEFLANN: efficient nonlinear learning for trading signals.
5 entries02 / 03
Market Insights
Our perspectives on market trends, opportunities and structural developments.
Latest · 18 Sep 2026Options, volatility and the probability of outcomes.
4 entries03 / 03
Quantitative Insights
Data-driven observations, charts and quantitative analysis.
Latest · 5 Sep 2026From data to signal: building robust models.
4 entriesAll notes and updates
17 articles · Illustrative articles are marked as such
Capital under management reaches ₹11.38 crore.
Oak Field now manages ₹11,38,50,000 for 120 investors, held through 17 family and institutional accounts.
Four strategies now trading live.
Canopy, Heartwood, Amber and Grove trade with capital; Twin Oak, Willow, Cedar and Birch are in paper trading.
SEBI registration in process.
The firm’s registration with the Securities and Exchange Board of India is in process.
Targets for the year to September 2027.
More than 300 investors, ₹40–60 crore under management and all eight strategies live, on the same published record.
Options, volatility and the probability of outcomes.
How implied volatility and time to expiry shape the range of outcomes an index option is priced for.
Illustrative articleCEFLANN: efficient nonlinear learning for trading signals.
How a functional-link network with no hidden layer can learn nonlinear patterns quickly, and where the approach needs care.
Illustrative articleImplied versus realised: what the options market tells us.
Comparing a forward-looking price with a backward-looking measurement, and the choices that change the answer.
Illustrative articleThe value of a better question.
Why the most useful research often begins by looking at a familiar problem differently.
Illustrative articleIndex options: expiry dynamics and strike selection.
How time decay, the volatility smile and the probability of finishing in the money interact as expiry approaches.
Illustrative articleFrom data to signal: building robust models.
An overview of a quantitative research process: data, feature engineering, modelling and validation.
Illustrative articleFeature engineering for financial time series.
Building features from price, volume, open interest and derived indicators that survive outside the sample they were found in.
Illustrative articleVolatility, risk premia and options markets.
Why implied volatility has often exceeded the volatility that followed, and what that difference does and does not tell us.
Illustrative articleLearning from uncertainty.
What changes when uncertainty becomes part of the question, rather than an afterthought.
Illustrative articleUnderstanding correlation and diversification.
Why the correlation between strategies matters as much as the quality of each one.
Illustrative articleMean reversion in financial markets.
Statistical foundations, testing frameworks and the practical considerations behind relative-value strategies.
Illustrative articleMarket breadth, flows and regimes.
What the share of stocks taking part in a move says about its durability, and how regimes change the reading.
Illustrative articleOrder flow and short-term predictability.
What order-book imbalance and changes in open interest can say about the next move, and why the effect is small and fragile.
Illustrative articleStay informed
Follow our journey.
From research to markets: the latest from Oak Field, and the record behind it.