Staying invested in Nifty 50 for 21 years yielded 13.67% CAGR: Abakkus report
Synopsis
Missing just 10 of the best trading days over 21 years nearly halved Nifty 50 returns from 13.67% to 9.75%, according to an Abakkus Mutual Fund report. For mid and small caps, the penalty was even steeper — a reminder that in Indian equities, time in the market has consistently beaten timing the market.
Key Takeaways
Full investment in Nifty 50 TRI from April 2005 to July 2026 yielded a CAGR of 13.67% , per the Abakkus Mutual Fund report.
Missing the 5 best days cut returns to 11.31% ; missing 10 best days reduced them to 9.75% .
Absence from the 50 best days left Nifty 50 TRI returns virtually flat at 1% .
Nifty Midcap 150 TRI delivered 17.20% CAGR for fully invested investors; missing 30 best days nearly halved it to 9.21% .
Nifty Smallcap 250 TRI returned 15.80% over the period; missing 50 best days dragged it down to 4.91% .
Investors who remained fully invested in Indian equities across every trading day from April 2005 to July 2026 earned significantly higher compounded returns than those who missed even a few of the market's best sessions, according to a report released on Tuesday, 11 August by Abakkus Mutual Fund. The findings underscore the steep cost of market-timing strategies over a 21-year investment horizon.
The Core Numbers
According to the Abakkus Mutual Fund report, staying fully invested through the entire period generated a CAGR of 13.67% for the Nifty 50 TRI. Missing just the five best trading days over those 21 years pulled that figure down to 11.31%, while missing the 10 best days reduced returns further to 9.75%.
The erosion becomes severe at greater levels of absence. Investors who sat out the 30 best days saw their Nifty 50 TRI CAGR shrink to 4.68% — less than a third of the fully-invested return. Missing the 50 best days left returns virtually flatlined at just 1%.
Mid and Small Caps: Higher Rewards, Higher Stakes
The report extended the analysis to broader indices, where the penalty for mistimed exits was even more pronounced. Full investment in the Nifty Midcap 150 TRI delivered a CAGR of 17.20% over the period, while the Nifty Smallcap 250 TRI returned 15.80%. The Nifty 100 TRI recorded 14% over the same 21 years.
Missing the best 30 days cut the Nifty Midcap 150 return by nearly 50%, dragging the CAGR to 9.21%, while the Nifty Smallcap 250 fell to 8.25%. Absence from the best 50 days compressed mid-cap returns to 5.71% and small-cap returns to 4.91%, according to the report.
Why This Matters for Indian Investors
The report highlights a well-documented but persistently ignored investment trap: the best market days frequently occur in close proximity to the worst, making it practically impossible to capture gains while avoiding losses through active timing. An investor who exits during a downturn risks missing the sharp recovery days that disproportionately drive long-term compounding.
This is particularly relevant in the Indian context, where retail participation has surged through Systematic Investment Plans (SIPs) and direct equity platforms. Many first-generation investors, exposed to their first major correction, face the temptation to pause or exit — precisely when staying put historically mattered most.
The Broader Investment Lesson
The Abakkus Mutual Fund report frames the data as a direct argument against market-timing and in favour of consistent, long-duration equity exposure. The findings align with a growing body of research globally, but the 21-year Indian dataset — spanning multiple cycles including the 2008 global financial crisis, the 2020 Covid crash, and subsequent recoveries — gives the analysis particular weight for domestic investors.
As Indian equity markets continue to attract new retail participants, the report's central message is likely to gain renewed relevance ahead of the upcoming earnings season and any near-term global volatility.
Point of View
Including the 2008 crash and the Covid collapse. The uncomfortable implication is that the investors most likely to miss the best days are those who exited during the worst ones, which means panic-selling is doubly punishing. What the report does not address is the behavioural gap: knowing the data and acting on it are different things, especially for retail investors without a fund manager or advisor anchoring their conviction. As SIP penetration deepens in India, the real challenge is not product design but investor discipline during the next inevitable correction.
NationPress
11 Aug 2026
Frequently Asked Questions
What did the Abakkus Mutual Fund report find about staying invested?
The report found that investors who stayed fully invested in Indian equities from April 2005 to July 2026 earned a CAGR of 13.67% on the Nifty 50 TRI. Missing even a small number of the market's best days significantly reduced those returns.
How much do returns fall if you miss the best market days?
Missing the 5 best days over 21 years reduced the Nifty 50 TRI CAGR from 13.67% to 11.31%. Missing 10 best days cut it to 9.75%, missing 30 best days dropped it to 4.68%, and missing 50 best days left returns at just 1%, according to the Abakkus report.
What were the long-term returns for mid and small cap indices?
The Nifty Midcap 150 TRI delivered a CAGR of 17.20% and the Nifty Smallcap 250 TRI returned 15.80% for investors who stayed fully invested over the 21-year period from April 2005 to July 2026.
Why is market timing so costly for equity investors?
The best market days often occur close to the worst, making it nearly impossible to capture gains while avoiding losses. Exiting during downturns risks missing sharp recovery sessions that disproportionately drive long-term compounding, as the Abakkus report illustrates.
Who is affected by this research?
The findings are particularly relevant for Indian retail investors, especially those invested through SIPs or direct equity platforms who may be tempted to pause or exit during market corrections. The 21-year dataset covers multiple major cycles including the 2008 financial crisis and the 2020 Covid crash.
