Nifty Gap Up History: Do They Actually Fill?
85 gap up events, 10 years of data. Only 29.4% fill the same day — and gap up days are bearish intraday more often than not.
85
Gap Events
29.4%
Fill Rate
44.7%
Close Green
We download institutional-grade market data, run premium AI analysis, and publish findings — so your decisions are backed by evidence, not opinion.
Nifty Gap Up History — 10 years of real data shows only 29.4% of gap ups fill the same day. The data surprises most traders.
0
Sessions
0
Gap Events
0.0%
Fill Rate
0yr
Yrs Data
Real data, not recycled tips
Institutional-grade NSE, BSE & MCX data — the same quality used by professional trading desks.
AI analysis at scale
Patterns found in minutes that would take weeks manually — then explained clearly.
Published every week
Weekly reports, backtested studies, myth-busting research — consistent and reliable.
No signals. No hype.
Every claim backed by data. Limitations always disclosed. You decide what to do with it.
What You Get
Make better decisions by knowing what the data actually shows.
Every week: what the data showed, what patterns appeared, what to watch. Not a newsletter — a research report. Published consistently so you always have a data anchor for the week ahead.
Read latest report →Rigorous, long-form backtests on real NSE, BSE & MCX data. Sample sizes disclosed. Limitations stated. These are the studies you'd otherwise pay a quant firm to produce.
Browse reports →"Sell on Monday." "Nifty always falls before Budget." We take the most repeated trading beliefs and test them with real data. Verdict: True, False, or more complicated than traders think.
See what's been tested →Every piece of research follows the same rigorous 4-step process. No opinions. No guesswork. Just data.
We pull institutional-grade market data covering NSE, BSE and MCX instruments — the same quality used by professional trading desks.
Raw data is cleaned, structured and transformed using Python — removing noise, handling gaps, and preparing it for rigorous analysis.
We run premium AI models across the processed data to identify patterns, validate findings, and stress-test conclusions at scale.
Every finding is written clearly, sourced transparently, and published free — weekly briefs, deep studies, and myth-busting reports.
Trusted By
“Finally a trading resource that shows actual data instead of just telling me what to think. The Bank Nifty backtest report changed how I approach weekly expiries.”
Bharath G.
Options trader, Bangalore
“The Myth Busters series alone is worth bookmarking. I've stopped following YouTube strategies and started asking for data first.”
Priya M.
Retail investor, Chennai
Join traders who already read IntradayLab research — subscribe to the weekly report below.
Latest Research
Backtests, myth busters, and market studies — all free.
0
Sessions Analysed
0 yrs
Data Period
0
Total Gap Events
0.0%
Combined Fill Rate
85 gap up events, 10 years of data. Only 29.4% fill the same day — and gap up days are bearish intraday more often than not.
85
Gap Events
29.4%
Fill Rate
44.7%
Close Green
76 gap down events, same 10-year window. The surprise: 52.6% of gap down days close green. The panic open is frequently overdone.
76
Gap Events
17.1%
Fill Rate
52.6%
Close Green
560 trades. 37.5% win rate. Positive expectancy. The math that proves intraday trading is not gambling — when done right.
560
Trades Tested
37.5%
Win Rate
2.83×
Reward:Risk
More studies coming soon — subscribe to get notified
Why This Exists
Most traders rely on opinions. Strategies are shared, repeated, and trusted — without ever being tested. IntradayLab was built on a simple idea: if it can't be verified with data, it shouldn't be trusted with money.
I come from a data background — working with large datasets, validating patterns, questioning assumptions. When I applied the same rigour to the markets, much of what traders believe didn't hold up under scrutiny. So I started testing it.
Read the full story →Get every weekly market report in your inbox — real data, clear findings, no noise.
Free Research Newsletter
Free, no spam. Unsubscribe anytime.
No signals. No tips. Just data-backed research — free always.