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shakti tiwari

Nifty Option Trader, Research Analyst & XGBoost Expert — daily NSE India research. Trader & Entrepreneur.

Location India Joined Joined on  Personal website https://optiontradingwithai.in
XGBoost colsample_bytree / colsample_bylevel / colsample_bynode: The Column-Sampling Trio Explained with 5-Fold CV Numbers

XGBoost colsample_bytree / colsample_bylevel / colsample_bynode: The Column-Sampling Trio Explained with 5-Fold CV Numbers

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11 min read
XGBoost `subsample` & `sampling_method`: The Bagging Lever That Quietly Saves Your Regression

XGBoost `subsample` & `sampling_method`: The Bagging Lever That Quietly Saves Your Regression

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12 min read
XGBoost gamma (min_split_loss): The Minimum Loss Reduction Gate on Every Split

XGBoost gamma (min_split_loss): The Minimum Loss Reduction Gate on Every Split

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11 min read
XGBoost min_child_weight: The Leaf-Size Floor That Fights Overfitting

XGBoost min_child_weight: The Leaf-Size Floor That Fights Overfitting

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13 min read
XGBoost max_depth: The Bias-Variance Knob That Decides Tree Complexity

XGBoost max_depth: The Bias-Variance Knob That Decides Tree Complexity

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13 min read
XGBoost eta (learning_rate): The One Knob That Controls How Fast Your Model Learns — With a Real 5-Fold Benchmark

XGBoost eta (learning_rate): The One Knob That Controls How Fast Your Model Learns — With a Real 5-Fold Benchmark

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10 min read
SMOTE + The Train/Test Leakage Trap: The #1 Mistake That Inflates Your NIFTY Metrics

SMOTE + The Train/Test Leakage Trap: The #1 Mistake That Inflates Your NIFTY Metrics

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11 min read
SMOTE Explained: The kNN Interpolation Algorithm Behind Synthetic Oversampling

SMOTE Explained: The kNN Interpolation Algorithm Behind Synthetic Oversampling

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9 min read
XGBoost eta (learning_rate): The One Knob That Controls How Fast Your Model Learns — With a Real 5-Fold Benchmark

XGBoost eta (learning_rate): The One Knob That Controls How Fast Your Model Learns — With a Real 5-Fold Benchmark

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10 min read
Block Bootstrap Confidence Intervals for Backtest Metrics: How to Know If Your Edge Is Real

Block Bootstrap Confidence Intervals for Backtest Metrics: How to Know If Your Edge Is Real

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12 min read
Mean Reversion in NIFTY: Bollinger + Z-Score Framework

Mean Reversion in NIFTY: Bollinger + Z-Score Framework

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2 min read
Pairs Trading on Indian Stocks: Cointegration + ML Signal

Pairs Trading on Indian Stocks: Cointegration + ML Signal

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2 min read
Market Breadth (Advance-Decline) for NIFTY: Is the Rally Broad?

Market Breadth (Advance-Decline) for NIFTY: Is the Rally Broad?

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2 min read
VIX Term Structure & India VIX: Contango/Backwardation Edge

VIX Term Structure & India VIX: Contango/Backwardation Edge

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2 min read
Gamma Scalping NIFTY: Delta-Hedge Your Long Gamma

Gamma Scalping NIFTY: Delta-Hedge Your Long Gamma

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3 min read
SHAP for Trading Models: Opening the Black Box

SHAP for Trading Models: Opening the Black Box

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4 min read
Walk-Forward Validation: The Only Backtest That Doesn't Lie

Walk-Forward Validation: The Only Backtest That Doesn't Lie

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4 min read
Target Engineering for Trading ML: Why Your Label Is 60% of the Model

Target Engineering for Trading ML: Why Your Label Is 60% of the Model

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4 min read
Put-Call Parity for Nifty Options: The No-Arbitrage Relationship Behind Every Option Price

Put-Call Parity for Nifty Options: The No-Arbitrage Relationship Behind Every Option Price

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12 min read
Paper Trading Journal: How to Review Your Trades Like a Pro

Paper Trading Journal: How to Review Your Trades Like a Pro

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3 min read
Order Blocks in NIFTY: The SMC Concept That Actually Works

Order Blocks in NIFTY: The SMC Concept That Actually Works

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4 min read
MACD + Supertrend: Trend Confirmation for NIFTY

MACD + Supertrend: Trend Confirmation for NIFTY

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3 min read
Regime-Conditional Position Sizing: Linking Detection to Risk Budget

Regime-Conditional Position Sizing: Linking Detection to Risk Budget

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15 min read
"Calendar Spreads on NIFTY: Cheap Vega Plays Explained"

"Calendar Spreads on NIFTY: Cheap Vega Plays Explained"

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4 min read
"Volatility Skew in NIFTY Options: What the Smile Tells You"

"Volatility Skew in NIFTY Options: What the Smile Tells You"

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4 min read
"Gamma Exposure (GEX) Explained: How Dealers Move NIFTY"

"Gamma Exposure (GEX) Explained: How Dealers Move NIFTY"

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5 min read
IV Crush in NIFTY Weekly Expiry: Real Examples and How to Avoid the Trap

IV Crush in NIFTY Weekly Expiry: Real Examples and How to Avoid the Trap

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5 min read
Build a Local RAG Chatbot for Trading Research Using Ollama + Termux (Zero API Cost)

Build a Local RAG Chatbot for Trading Research Using Ollama + Termux (Zero API Cost)

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6 min read
Data Contracts for Quant Pipelines: Schema Enforcement at Ingest

Data Contracts for Quant Pipelines: Schema Enforcement at Ingest

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14 min read
Tabular Data for Nifty Traders — Why XGBoost Beats Deep Learning (with Real 120-Day Data)

Tabular Data for Nifty Traders — Why XGBoost Beats Deep Learning (with Real 120-Day Data)

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8 min read
PCR (Put-Call Ratio) in Options Trading Explained with Real NIFTY Data — Why the Popular 'Buy Below 0.7' Rule Fails

PCR (Put-Call Ratio) in Options Trading Explained with Real NIFTY Data — Why the Popular 'Buy Below 0.7' Rule Fails

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7 min read
Vega Bucketing: Managing Volatility Exposure Across Tenors (with Python)

Vega Bucketing: Managing Volatility Exposure Across Tenors (with Python)

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13 min read
I Ran 120 Days of NIFTY Option-Chain Data Through a Similarity Engine — Why Most Retail 'Signals' Are Noise

I Ran 120 Days of NIFTY Option-Chain Data Through a Similarity Engine — Why Most Retail 'Signals' Are Noise

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10 min read
nse-bse-mcp Install Guide: NIFTY Option Chain Python mei Live

nse-bse-mcp Install Guide: NIFTY Option Chain Python mei Live

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7 min read
Hermes Agent se NSE Options MCP Research kaise chalayein (Live Demo)

Hermes Agent se NSE Options MCP Research kaise chalayein (Live Demo)

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7 min read
Signal Gate Design: NO_TRADE kab bolna chahiye ( 20 sessions rule)

Signal Gate Design: NO_TRADE kab bolna chahiye ( 20 sessions rule)

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6 min read
Options-Buyer V2 Architecture: ek model kyun fail hota hai

Options-Buyer V2 Architecture: ek model kyun fail hota hai

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6 min read
Purged Cross-Validation: overfitting kyun marta hai trading models ko

Purged Cross-Validation: overfitting kyun marta hai trading models ko

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6 min read
Skill Manager Router: 100+ Hermes skills ka confusion kaise avoid karein

Skill Manager Router: 100+ Hermes skills ka confusion kaise avoid karein

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6 min read
Free SEO MCP SuperStack: GSC + GA4 + PageSpeed bina paise ke

Free SEO MCP SuperStack: GSC + GA4 + PageSpeed bina paise ke

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6 min read
Inside Our NSE F&O ML Engine: Live Dhan API Data Meets an EOD-Audited, Leakage-Safe Blueprint

Inside Our NSE F&O ML Engine: Live Dhan API Data Meets an EOD-Audited, Leakage-Safe Blueprint

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12 min read
How to Build a Simple NSE EOD Options/Stock ML Model Manually (No Live API, No Wizardry)

How to Build a Simple NSE EOD Options/Stock ML Model Manually (No Live API, No Wizardry)

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9 min read
Options Trading in Germany: Retail Access, Tax (Abgeltsteuer), and Platforms for 2026

Options Trading in Germany: Retail Access, Tax (Abgeltsteuer), and Platforms for 2026

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8 min read
Options Trading in the UK: Retail Rules, Platforms, and Tax Reality for 2026

Options Trading in the UK: Retail Rules, Platforms, and Tax Reality for 2026

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8 min read
Options Trading Taxes in Europe: How Retail Traders Get Taxed (Country-by-Country Reality Check)

Options Trading Taxes in Europe: How Retail Traders Get Taxed (Country-by-Country Reality Check)

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8 min read
European vs American Options: The Exercise Difference That Changes Your Whole Strategy

European vs American Options: The Exercise Difference That Changes Your Whole Strategy

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8 min read
Best Options Trading Platforms in Europe 2026: A Retail Comparison (Low-Competition Guide)

Best Options Trading Platforms in Europe 2026: A Retail Comparison (Low-Competition Guide)

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8 min read
Best Option Trading Apps in India 2026: Free Paper Trading, Data, and API Access Ranked by Use Case

Best Option Trading Apps in India 2026: Free Paper Trading, Data, and API Access Ranked by Use Case

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8 min read
Sensex Options Trading in India: What They Are, How They Differ from NIFTY, and Who Should Trade Them

Sensex Options Trading in India: What They Are, How They Differ from NIFTY, and Who Should Trade Them

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8 min read
Bank Nifty Option Selling: Higher Decay, Wider Stops, and How to Size It

Bank Nifty Option Selling: Higher Decay, Wider Stops, and How to Size It

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8 min read
Option Selling Strategies in India: How Retail Traders Sell Premium Without Getting Wrecked

Option Selling Strategies in India: How Retail Traders Sell Premium Without Getting Wrecked

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9 min read
NSE Option Chain Explained: OI, PCR and Greeks That Actually Matter for NIFTY Traders

NSE Option Chain Explained: OI, PCR and Greeks That Actually Matter for NIFTY Traders

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9 min read
SEBI's New F&O Rules: What They Mean for Indian Retail Options Traders

SEBI's New F&O Rules: What They Mean for Indian Retail Options Traders

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9 min read
AI Options Trading in India 2026: What Actually Works, What's Hype, and How to Start Without Burning Capital

AI Options Trading in India 2026: What Actually Works, What's Hype, and How to Start Without Burning Capital

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8 min read
XGBoost vs LightGBM on NIFTY: I Trained Both on 497 Days and They Are Twins (and Both Lose) | Shakti Tiwari

XGBoost vs LightGBM on NIFTY: I Trained Both on 497 Days and They Are Twins (and Both Lose) | Shakti Tiwari

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11 min read
AI vs a 5-Line Rule: I Pitted XGBoost Against "Buy If Yesterday Rose" on 497 Days of NIFTY | Shakti Tiwari

AI vs a 5-Line Rule: I Pitted XGBoost Against "Buy If Yesterday Rose" on 497 Days of NIFTY | Shakti Tiwari

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11 min read
Can AI Predict NIFTY Tomorrow? 6 Months of NSE Data Give an Uncomfortable Answer | Shakti Tiwari

Can AI Predict NIFTY Tomorrow? 6 Months of NSE Data Give an Uncomfortable Answer | Shakti Tiwari

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5 min read
Bitcoin Never Sleeps — Does XGBoost? Testing AI Across 24/7 Market Regimes | Shakti Tiwari

Bitcoin Never Sleeps — Does XGBoost? Testing AI Across 24/7 Market Regimes | Shakti Tiwari

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5 min read
Solana — Anatoly Yakovenko, Proof of History, and AI Trading Integration (2026) | Shakti Tiwari

Solana — Anatoly Yakovenko, Proof of History, and AI Trading Integration (2026) | Shakti Tiwari

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8 min read
Ethereum — Vitalik, Smart Contracts, and AI Trading Integration (2026) | Shakti Tiwari

Ethereum — Vitalik, Smart Contracts, and AI Trading Integration (2026) | Shakti Tiwari

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8 min read
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